初次提交
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<?xml version="1.0" encoding="UTF-8"?>
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||||
<classpath>
|
||||
<classpathentry kind="src" path="src"/>
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||||
<classpathentry kind="src" path="gen"/>
|
||||
<classpathentry kind="con" path="com.android.ide.eclipse.adt.ANDROID_FRAMEWORK"/>
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||||
<classpathentry kind="output" path="bin"/>
|
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</classpath>
|
||||
@@ -0,0 +1,33 @@
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<?xml version="1.0" encoding="UTF-8"?>
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||||
<projectDescription>
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||||
<name>Sample8_7</name>
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||||
<comment></comment>
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||||
<projects>
|
||||
</projects>
|
||||
<buildSpec>
|
||||
<buildCommand>
|
||||
<name>com.android.ide.eclipse.adt.ResourceManagerBuilder</name>
|
||||
<arguments>
|
||||
</arguments>
|
||||
</buildCommand>
|
||||
<buildCommand>
|
||||
<name>com.android.ide.eclipse.adt.PreCompilerBuilder</name>
|
||||
<arguments>
|
||||
</arguments>
|
||||
</buildCommand>
|
||||
<buildCommand>
|
||||
<name>org.eclipse.jdt.core.javabuilder</name>
|
||||
<arguments>
|
||||
</arguments>
|
||||
</buildCommand>
|
||||
<buildCommand>
|
||||
<name>com.android.ide.eclipse.adt.ApkBuilder</name>
|
||||
<arguments>
|
||||
</arguments>
|
||||
</buildCommand>
|
||||
</buildSpec>
|
||||
<natures>
|
||||
<nature>com.android.ide.eclipse.adt.AndroidNature</nature>
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||||
<nature>org.eclipse.jdt.core.javanature</nature>
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||||
</natures>
|
||||
</projectDescription>
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@@ -0,0 +1,12 @@
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#Wed Nov 30 20:35:20 CST 2011
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eclipse.preferences.version=1
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org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
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org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.6
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||||
org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
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||||
org.eclipse.jdt.core.compiler.compliance=1.6
|
||||
org.eclipse.jdt.core.compiler.debug.lineNumber=generate
|
||||
org.eclipse.jdt.core.compiler.debug.localVariable=generate
|
||||
org.eclipse.jdt.core.compiler.debug.sourceFile=generate
|
||||
org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
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||||
org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
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||||
org.eclipse.jdt.core.compiler.source=1.6
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||||
@@ -0,0 +1,18 @@
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<?xml version="1.0" encoding="utf-8"?>
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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package="com.bn.Sample8_7"
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android:versionCode="1"
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android:versionName="1.0">
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<uses-sdk android:minSdkVersion="8" />
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<application android:icon="@drawable/icon" android:label="@string/app_name">
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<activity android:name=".MyActivity"
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android:label="@string/app_name">
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<category android:name="android.intent.category.LAUNCHER" />
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</intent-filter>
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</activity>
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|
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</application>
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</manifest>
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@@ -0,0 +1,8 @@
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precision mediump float;
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varying vec2 vTextureCoord;//接收从顶点着色器过来的参数
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uniform sampler2D sTexture;//纹理内容数据
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void main()
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{
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//给此片元从纹理中采样出颜色值
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gl_FragColor = texture2D(sTexture, vTextureCoord);
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}
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uniform mat4 uMVPMatrix; //总变换矩阵
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attribute vec3 aPosition; //顶点位置
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attribute vec2 aTexCoor; //顶点纹理坐标
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varying vec2 vTextureCoord; //用于传递给片元着色器的变量
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void main()
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{
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gl_Position = uMVPMatrix * vec4(aPosition,1); //根据总变换矩阵计算此次绘制此顶点位置
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vTextureCoord = aTexCoor;//将接收的纹理坐标传递给片元着色器
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}
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@@ -0,0 +1,11 @@
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# This file is automatically generated by Android Tools.
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||||
# Do not modify this file -- YOUR CHANGES WILL BE ERASED!
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||||
#
|
||||
# This file must be checked in Version Control Systems.
|
||||
#
|
||||
# To customize properties used by the Ant build system use,
|
||||
# "build.properties", and override values to adapt the script to your
|
||||
# project structure.
|
||||
|
||||
# Project target.
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||||
target=android-8
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@@ -0,0 +1,31 @@
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||||
/* AUTO-GENERATED FILE. DO NOT MODIFY.
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||||
*
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||||
* This class was automatically generated by the
|
||||
* aapt tool from the resource data it found. It
|
||||
* should not be modified by hand.
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||||
*/
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||||
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||||
package com.bn.Sample8_7;
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public final class R {
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public static final class attr {
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}
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public static final class drawable {
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public static final int icon=0x7f020000;
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public static final int white=0x7f020001;
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}
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public static final class id {
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public static final int RadioButton01=0x7f050003;
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public static final int RadioButton02=0x7f050004;
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public static final int RadioGroup01=0x7f050001;
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public static final int main_liner=0x7f050000;
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public static final int textView1=0x7f050002;
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}
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public static final class layout {
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public static final int main=0x7f030000;
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}
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public static final class string {
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public static final int app_name=0x7f040001;
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public static final int hello=0x7f040000;
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}
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||||
}
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@@ -0,0 +1,40 @@
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-optimizationpasses 5
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||||
-dontusemixedcaseclassnames
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||||
-dontskipnonpubliclibraryclasses
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||||
-dontpreverify
|
||||
-verbose
|
||||
-optimizations !code/simplification/arithmetic,!field/*,!class/merging/*
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||||
|
||||
-keep public class * extends android.app.Activity
|
||||
-keep public class * extends android.app.Application
|
||||
-keep public class * extends android.app.Service
|
||||
-keep public class * extends android.content.BroadcastReceiver
|
||||
-keep public class * extends android.content.ContentProvider
|
||||
-keep public class * extends android.app.backup.BackupAgentHelper
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||||
-keep public class * extends android.preference.Preference
|
||||
-keep public class com.android.vending.licensing.ILicensingService
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||||
|
||||
-keepclasseswithmembernames class * {
|
||||
native <methods>;
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||||
}
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||||
|
||||
-keepclasseswithmembers class * {
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||||
public <init>(android.content.Context, android.util.AttributeSet);
|
||||
}
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||||
|
||||
-keepclasseswithmembers class * {
|
||||
public <init>(android.content.Context, android.util.AttributeSet, int);
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||||
}
|
||||
|
||||
-keepclassmembers class * extends android.app.Activity {
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||||
public void *(android.view.View);
|
||||
}
|
||||
|
||||
-keepclassmembers enum * {
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||||
public static **[] values();
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||||
public static ** valueOf(java.lang.String);
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||||
}
|
||||
|
||||
-keep class * implements android.os.Parcelable {
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||||
public static final android.os.Parcelable$Creator *;
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||||
}
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||||
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After Width: | Height: | Size: 43 KiB |
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|
After Width: | Height: | Size: 1.7 KiB |
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|
After Width: | Height: | Size: 2.5 KiB |
@@ -0,0 +1,34 @@
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<?xml version="1.0" encoding="utf-8"?>
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||||
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
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android:orientation="vertical"
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android:layout_width="fill_parent"
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android:layout_height="fill_parent"
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android:id="@+id/main_liner"
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>
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<RadioGroup
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android:id="@+id/RadioGroup01"
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android:orientation="horizontal"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content">
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<TextView
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android:text="填充方式："
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android:id="@+id/textView1"
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android:textSize="16dip"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content">
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</TextView>
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<RadioButton
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android:text="面填充"
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android:id="@+id/RadioButton01"
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android:checked="true"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content">
|
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</RadioButton>
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||||
<RadioButton
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android:text="线填充"
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android:id="@+id/RadioButton02"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content">
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</RadioButton>
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</RadioGroup>
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</LinearLayout>
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@@ -0,0 +1,5 @@
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<?xml version="1.0" encoding="utf-8"?>
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<resources>
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<string name="hello">Hello World, Sample9_1Activity!</string>
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<string name="app_name">Sample8_7</string>
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</resources>
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@@ -0,0 +1,13 @@
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package com.bn.Sample8_7;
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public class BNPosition
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{
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int x;
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int y;
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public BNPosition(float x,float y)
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{
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this.x=(int) x;
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this.y=(int) y;
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}
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||||
}
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@@ -0,0 +1,74 @@
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package com.bn.Sample8_7;
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import java.util.ArrayList;
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public class BezierUtil
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{
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static ArrayList<BNPosition> al=new ArrayList<BNPosition>();
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public static ArrayList<BNPosition> getBezierData(float span)
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{
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ArrayList<BNPosition> result=new ArrayList<BNPosition>();
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int n=al.size()-1;
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if(n<1)
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{
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return result;
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||||
}
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||||
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int steps=(int) (1.0f/span);
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long[] jiechengNA=new long[n+1];
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for(int i=0;i<=n;i++)
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{
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jiechengNA[i]=jiecheng(i);
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}
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||||
|
||||
for(int i=0;i<=steps;i++)
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||||
{
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float t=i*span;
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if(t>1)
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||||
{
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t=1;
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}
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float xf=0;
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float yf=0;
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||||
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||||
float[] tka=new float[n+1];
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float[] otka=new float[n+1];
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for(int j=0;j<=n;j++)
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||||
{
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||||
tka[j]=(float) Math.pow(t, j);
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otka[j]=(float) Math.pow(1-t, j);
|
||||
}
|
||||
|
||||
for(int k=0;k<=n;k++)
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||||
{
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float xs=(jiechengNA[n]/(jiechengNA[k]*jiechengNA[n-k]))*tka[k]*otka[n-k];
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xf=xf+al.get(k).x*xs;
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yf=yf+al.get(k).y*xs;
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||||
}
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||||
result.add(new BNPosition(xf,yf));
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}
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||||
|
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return result;
|
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}
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||||
|
||||
//Çó½×³Ë
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||||
public static long jiecheng(int n)
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||||
{
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long result=1;
|
||||
if(n==0)
|
||||
{
|
||||
return 1;
|
||||
}
|
||||
|
||||
for(int i=2;i<=n;i++)
|
||||
{
|
||||
result=result*i;
|
||||
}
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||||
|
||||
return result;
|
||||
}
|
||||
}
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||||
@@ -0,0 +1,134 @@
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||||
package com.bn.Sample8_7;
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||||
|
||||
/*
|
||||
* 整体建筑物
|
||||
*/
|
||||
|
||||
public class Building {
|
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float scale;//建筑的大小
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|
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Top top;//穹顶
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Tower tower;//塔
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TowerTop towertop;
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Cube cube;//立方体
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Cube cube2;//立方体
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Cube cube3;//立方体
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Cube cube4;//立方体
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|
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float xAngle=0;//绕x轴旋转的角度
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float yAngle=0;//绕y轴旋转的角度
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float zAngle=0;//绕z轴旋转的角度
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|
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Building( MySurfaceView mv,
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float scale,//建筑的大小
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int nCol,int nRow)
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{
|
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this.scale=scale;
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//创建对象
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top=new Top(mv,0.5f*scale,nCol,nRow);//穹顶
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tower=new Tower(mv,1*scale,nCol,nRow);//塔
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towertop=new TowerTop(mv,1*scale,nCol,nRow);//塔
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||||
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cube=new Cube(mv,1.4f*scale,new float[]{2,3f,3f} );//立方体
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cube2=new Cube(mv,1.4f*scale,new float[]{2f,3f,2f} );//立方体
|
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cube3=new Cube(mv,1.4f*scale,new float[]{1.4f,3f,1.4f} );//立方体
|
||||
|
||||
cube4=new Cube(mv,1.4f*scale,new float[]{10f,1f,10f} );//立方体
|
||||
|
||||
}
|
||||
public void drawSelf(int texId)
|
||||
{
|
||||
|
||||
MatrixState.rotate(xAngle, 1, 0, 0);
|
||||
MatrixState.rotate(yAngle, 0, 1, 0);
|
||||
MatrixState.rotate(zAngle, 0, 0, 1);
|
||||
|
||||
MatrixState.pushMatrix();
|
||||
|
||||
//穹顶
|
||||
MatrixState.pushMatrix();
|
||||
MatrixState.translate(0f, 0f*scale, 0f);
|
||||
top.drawSelf(texId);//穹顶
|
||||
MatrixState.popMatrix();
|
||||
|
||||
//****************************塔********************************
|
||||
MatrixState.pushMatrix();
|
||||
MatrixState.translate(6f*scale, -1.6f*scale, 6f*scale);
|
||||
tower.drawSelf(texId);//穹顶
|
||||
MatrixState.popMatrix();
|
||||
|
||||
//塔
|
||||
MatrixState.pushMatrix();
|
||||
MatrixState.translate(-6f*scale, -1.6f*scale, 6f*scale);
|
||||
tower.drawSelf(texId);//穹顶
|
||||
MatrixState.popMatrix();
|
||||
|
||||
//塔
|
||||
MatrixState.pushMatrix();
|
||||
MatrixState.translate(6f*scale, -1.6f*scale, -6f*scale);
|
||||
tower.drawSelf(texId);//穹顶
|
||||
MatrixState.popMatrix();
|
||||
|
||||
//塔
|
||||
MatrixState.pushMatrix();
|
||||
MatrixState.translate(-6f*scale, -1.6f*scale, -6f*scale);
|
||||
tower.drawSelf(texId);//穹顶
|
||||
MatrixState.popMatrix();
|
||||
//****************************塔********************************
|
||||
|
||||
//*******************塔顶************************
|
||||
MatrixState.pushMatrix();
|
||||
MatrixState.translate(-2.5f*scale, -3.8f*scale, 0f);
|
||||
towertop.drawSelf(texId);//穹顶
|
||||
MatrixState.popMatrix();
|
||||
|
||||
MatrixState.pushMatrix();
|
||||
MatrixState.translate(2.5f*scale, -3.8f*scale, 0f);
|
||||
towertop.drawSelf(texId);//穹顶
|
||||
MatrixState.popMatrix();
|
||||
|
||||
//*******************塔顶************************
|
||||
|
||||
//*********************立方体*********************************
|
||||
MatrixState.pushMatrix();
|
||||
MatrixState.translate(0f, -2.7f*scale, 0f);
|
||||
MatrixState.translate(0, 0.05f, 0f);
|
||||
cube.drawSelf(texId);
|
||||
MatrixState.popMatrix();
|
||||
|
||||
MatrixState.pushMatrix();
|
||||
MatrixState.translate(-2.0f*scale, -2.7f*scale, 0f);
|
||||
cube2.drawSelf(texId);
|
||||
MatrixState.popMatrix();
|
||||
|
||||
MatrixState.pushMatrix();
|
||||
MatrixState.translate(2.0f*scale, -2.7f*scale, 0f);
|
||||
cube2.drawSelf(texId);
|
||||
MatrixState.popMatrix();
|
||||
|
||||
MatrixState.pushMatrix();
|
||||
MatrixState.translate(-3.43f*scale, -2.7f*scale, 0f);
|
||||
MatrixState.translate(0, -0.05f, 0f);
|
||||
MatrixState.rotate(45, 0, 1, 0);
|
||||
cube3.drawSelf(texId);
|
||||
MatrixState.popMatrix();
|
||||
|
||||
MatrixState.pushMatrix();
|
||||
MatrixState.translate(3.43f*scale, -2.7f*scale, 0f);
|
||||
MatrixState.translate(0, -0.05f, 0f);
|
||||
MatrixState.rotate(45, 0, 1, 0);
|
||||
cube3.drawSelf(texId);
|
||||
MatrixState.popMatrix();
|
||||
|
||||
//*********************立方体*********************************
|
||||
|
||||
MatrixState.pushMatrix();
|
||||
MatrixState.translate(0f, -5f*scale, 0f);
|
||||
cube4.drawSelf(texId);
|
||||
MatrixState.popMatrix();
|
||||
|
||||
MatrixState.popMatrix();
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,5 @@
|
||||
package com.bn.Sample8_7;
|
||||
|
||||
public class Constant {
|
||||
public static float DATA_RATIO=0.025f;//数据点的缩放比
|
||||
}
|
||||
@@ -0,0 +1,73 @@
|
||||
package com.bn.Sample8_7;
|
||||
|
||||
public class Cube
|
||||
{
|
||||
Texture[] rect=new Texture[6];
|
||||
float xAngle=0;//绕x轴旋转的角度
|
||||
float yAngle=0;//绕y轴旋转的角度
|
||||
float zAngle=0;//绕z轴旋转的角度
|
||||
float a;
|
||||
float b;
|
||||
float c;
|
||||
float scale;//尺寸
|
||||
|
||||
boolean texFlag;//是否绘制纹理的标志位
|
||||
public Cube(MySurfaceView mv,float scale,float[] abc)
|
||||
{
|
||||
a=abc[0];
|
||||
b=abc[1];
|
||||
c=abc[2];
|
||||
rect[0]=new Texture(mv,scale,a,b,1,1);
|
||||
rect[1]=new Texture(mv,scale,a,b,1,1);
|
||||
rect[2]=new Texture(mv,scale,c,b,1,1);
|
||||
rect[3]=new Texture(mv,scale,c,b,1,1);
|
||||
rect[4]=new Texture(mv,scale,a,c,1,1);
|
||||
rect[5]=new Texture(mv,scale,a,c,1,1);
|
||||
// 初始化完成后再改变各量的值
|
||||
|
||||
a*=scale;
|
||||
b*=scale;
|
||||
c*=scale;
|
||||
}
|
||||
public void drawSelf(int texId)
|
||||
{
|
||||
MatrixState.rotate(xAngle, 1, 0, 0);
|
||||
MatrixState.rotate(yAngle, 0, 1, 0);
|
||||
MatrixState.rotate(zAngle, 0, 0, 1);
|
||||
//前面
|
||||
MatrixState.pushMatrix();
|
||||
MatrixState.translate(0, 0, c/2);
|
||||
rect[0].drawSelf(texId);
|
||||
MatrixState.popMatrix();
|
||||
//后面
|
||||
MatrixState.pushMatrix();
|
||||
MatrixState.translate(0, 0, -c/2);
|
||||
MatrixState.rotate(180.0f, 0, 1, 0);
|
||||
rect[1].drawSelf(texId);
|
||||
MatrixState.popMatrix();
|
||||
//右面
|
||||
MatrixState.pushMatrix();
|
||||
MatrixState.translate(a/2, 0, 0);
|
||||
MatrixState.rotate(90.0f, 0, 1, 0);
|
||||
rect[2].drawSelf(texId);
|
||||
MatrixState.popMatrix();
|
||||
//左面
|
||||
MatrixState.pushMatrix();
|
||||
MatrixState.translate(-a/2, 0, 0);
|
||||
MatrixState.rotate(-90.0f, 0, 1, 0);
|
||||
rect[3].drawSelf(texId);
|
||||
MatrixState.popMatrix();
|
||||
//下面
|
||||
MatrixState.pushMatrix();
|
||||
MatrixState.translate(0, -b/2, 0);
|
||||
MatrixState.rotate(90.0f, 1, 0, 0);
|
||||
rect[4].drawSelf(texId);
|
||||
MatrixState.popMatrix();
|
||||
//上面
|
||||
MatrixState.pushMatrix();
|
||||
MatrixState.translate(0, b/2, 0);
|
||||
MatrixState.rotate(-90.0f, 1, 0, 0);
|
||||
rect[5].drawSelf(texId);
|
||||
MatrixState.popMatrix();
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,182 @@
|
||||
package com.bn.Sample8_7;
|
||||
import java.nio.ByteBuffer;
|
||||
import java.nio.ByteOrder;
|
||||
import java.nio.FloatBuffer;
|
||||
import android.opengl.Matrix;
|
||||
|
||||
//存储系统矩阵状态的类
|
||||
public class MatrixState
|
||||
{
|
||||
private static float[] mProjMatrix = new float[16];//4x4矩阵 投影用
|
||||
private static float[] mVMatrix = new float[16];//摄像机位置朝向9参数矩阵
|
||||
private static float[] currMatrix;//当前变换矩阵
|
||||
public static float[] lightLocation=new float[]{0,0,0};//定位光光源位置
|
||||
public static FloatBuffer cameraFB;
|
||||
public static FloatBuffer lightPositionFB;
|
||||
|
||||
//保护变换矩阵的栈
|
||||
static float[][] mStack=new float[10][16];
|
||||
static int stackTop=-1;
|
||||
|
||||
public static void setInitStack()//获取不变换初始矩阵
|
||||
{
|
||||
currMatrix=new float[16];
|
||||
Matrix.setRotateM(currMatrix, 0, 0, 1, 0, 0);
|
||||
}
|
||||
|
||||
public static void pushMatrix()//保护变换矩阵
|
||||
{
|
||||
stackTop++;
|
||||
for(int i=0;i<16;i++)
|
||||
{
|
||||
mStack[stackTop][i]=currMatrix[i];
|
||||
}
|
||||
}
|
||||
|
||||
public static void popMatrix()//恢复变换矩阵
|
||||
{
|
||||
for(int i=0;i<16;i++)
|
||||
{
|
||||
currMatrix[i]=mStack[stackTop][i];
|
||||
}
|
||||
stackTop--;
|
||||
}
|
||||
|
||||
public static void translate(float x,float y,float z)//设置沿xyz轴移动
|
||||
{
|
||||
Matrix.translateM(currMatrix, 0, x, y, z);
|
||||
}
|
||||
|
||||
public static void rotate(float angle,float x,float y,float z)//设置绕xyz轴移动
|
||||
{
|
||||
Matrix.rotateM(currMatrix,0,angle,x,y,z);
|
||||
}
|
||||
|
||||
public static void scale(float x,float y,float z)
|
||||
{
|
||||
Matrix.scaleM(currMatrix,0, x, y, z);
|
||||
}
|
||||
|
||||
//插入自带矩阵
|
||||
public static void matrix(float[] self)
|
||||
{
|
||||
float[] result=new float[16];
|
||||
Matrix.multiplyMM(result,0,currMatrix,0,self,0);
|
||||
currMatrix=result;
|
||||
}
|
||||
|
||||
|
||||
//设置摄像机
|
||||
static ByteBuffer llbb= ByteBuffer.allocateDirect(3*4);
|
||||
static float[] cameraLocation=new float[3];//摄像机位置
|
||||
public static void setCamera
|
||||
(
|
||||
float cx, //摄像机位置x
|
||||
float cy, //摄像机位置y
|
||||
float cz, //摄像机位置z
|
||||
float tx, //摄像机目标点x
|
||||
float ty, //摄像机目标点y
|
||||
float tz, //摄像机目标点z
|
||||
float upx, //摄像机UP向量X分量
|
||||
float upy, //摄像机UP向量Y分量
|
||||
float upz //摄像机UP向量Z分量
|
||||
)
|
||||
{
|
||||
Matrix.setLookAtM
|
||||
(
|
||||
mVMatrix,
|
||||
0,
|
||||
cx,
|
||||
cy,
|
||||
cz,
|
||||
tx,
|
||||
ty,
|
||||
tz,
|
||||
upx,
|
||||
upy,
|
||||
upz
|
||||
);
|
||||
|
||||
cameraLocation[0]=cx;
|
||||
cameraLocation[1]=cy;
|
||||
cameraLocation[2]=cz;
|
||||
|
||||
llbb.clear();
|
||||
llbb.order(ByteOrder.nativeOrder());//设置字节顺序
|
||||
cameraFB=llbb.asFloatBuffer();
|
||||
cameraFB.put(cameraLocation);
|
||||
cameraFB.position(0);
|
||||
}
|
||||
|
||||
//设置透视投影参数
|
||||
public static void setProjectFrustum
|
||||
(
|
||||
float left, //near面的left
|
||||
float right, //near面的right
|
||||
float bottom, //near面的bottom
|
||||
float top, //near面的top
|
||||
float near, //near面距离
|
||||
float far //far面距离
|
||||
)
|
||||
{
|
||||
Matrix.frustumM(mProjMatrix, 0, left, right, bottom, top, near, far);
|
||||
}
|
||||
|
||||
//设置正交投影参数
|
||||
public static void setProjectOrtho
|
||||
(
|
||||
float left, //near面的left
|
||||
float right, //near面的right
|
||||
float bottom, //near面的bottom
|
||||
float top, //near面的top
|
||||
float near, //near面距离
|
||||
float far //far面距离
|
||||
)
|
||||
{
|
||||
Matrix.orthoM(mProjMatrix, 0, left, right, bottom, top, near, far);
|
||||
}
|
||||
//获取具体物体的总变换矩阵
|
||||
static float[] mMVPMatrix=new float[16];
|
||||
public static float[] getFinalMatrix()
|
||||
{
|
||||
Matrix.multiplyMM(mMVPMatrix, 0, mVMatrix, 0, currMatrix, 0);
|
||||
Matrix.multiplyMM(mMVPMatrix, 0, mProjMatrix, 0, mMVPMatrix, 0);
|
||||
return mMVPMatrix;
|
||||
}
|
||||
|
||||
//获取具体物体的变换矩阵
|
||||
public static float[] getMMatrix()
|
||||
{
|
||||
return currMatrix;
|
||||
}
|
||||
|
||||
//获取投影矩阵
|
||||
public static float[] getProjMatrix()
|
||||
{
|
||||
return mProjMatrix;
|
||||
}
|
||||
|
||||
//获取摄像机朝向的矩阵
|
||||
public static float[] getCaMatrix()
|
||||
{
|
||||
return mVMatrix;
|
||||
}
|
||||
|
||||
|
||||
|
||||
//设置灯光位置的方法
|
||||
static ByteBuffer llbbL = ByteBuffer.allocateDirect(3*4);
|
||||
public static void setLightLocation(float x,float y,float z)
|
||||
{
|
||||
llbbL.clear();
|
||||
|
||||
lightLocation[0]=x;
|
||||
lightLocation[1]=y;
|
||||
lightLocation[2]=z;
|
||||
|
||||
llbbL.order(ByteOrder.nativeOrder());//设置字节顺序
|
||||
lightPositionFB=llbbL.asFloatBuffer();
|
||||
lightPositionFB.put(lightLocation);
|
||||
lightPositionFB.position(0);
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,56 @@
|
||||
package com.bn.Sample8_7;
|
||||
|
||||
|
||||
import android.app.Activity;
|
||||
import android.content.pm.ActivityInfo;
|
||||
import android.os.Bundle;
|
||||
import android.view.KeyEvent;
|
||||
import android.view.Window;
|
||||
import android.view.WindowManager;
|
||||
|
||||
|
||||
public class MyActivity extends Activity {
|
||||
MySurfaceView mySurfaceView;
|
||||
@Override
|
||||
public void onCreate(Bundle savedInstanceState) {
|
||||
super.onCreate(savedInstanceState);
|
||||
//设置为全屏
|
||||
requestWindowFeature(Window.FEATURE_NO_TITLE);
|
||||
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN ,
|
||||
WindowManager.LayoutParams.FLAG_FULLSCREEN);
|
||||
//设置为横屏模式
|
||||
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
|
||||
|
||||
//初始化GLSurfaceView
|
||||
mySurfaceView = new MySurfaceView(this);
|
||||
|
||||
//切换到主界面
|
||||
setContentView(mySurfaceView);
|
||||
|
||||
mySurfaceView.requestFocus();//获取焦点
|
||||
mySurfaceView.setFocusableInTouchMode(true);//设置为可触控
|
||||
}
|
||||
@Override
|
||||
protected void onResume() {
|
||||
super.onResume();
|
||||
mySurfaceView.onResume();
|
||||
mySurfaceView.lightFlag=true;
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void onPause() {
|
||||
super.onPause();
|
||||
mySurfaceView.onPause();
|
||||
mySurfaceView.lightFlag=false;
|
||||
}
|
||||
public boolean onKeyDown(int keyCode,KeyEvent e)
|
||||
{
|
||||
switch(keyCode)
|
||||
{
|
||||
case 4:
|
||||
System.exit(0);
|
||||
break;
|
||||
}
|
||||
return true;
|
||||
};
|
||||
}
|
||||
@@ -0,0 +1,227 @@
|
||||
package com.bn.Sample8_7;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.io.InputStream;
|
||||
import android.opengl.GLSurfaceView;
|
||||
import android.opengl.GLES20;
|
||||
import android.opengl.GLUtils;
|
||||
import android.view.MotionEvent;
|
||||
import javax.microedition.khronos.egl.EGLConfig;
|
||||
import javax.microedition.khronos.opengles.GL10;
|
||||
import android.content.Context;
|
||||
import android.graphics.Bitmap;
|
||||
import android.graphics.BitmapFactory;
|
||||
|
||||
class MySurfaceView extends GLSurfaceView {
|
||||
|
||||
private final float TOUCH_SCALE_FACTOR = 180.0f/480;//角度缩放比例
|
||||
|
||||
private float cameraX=0;//摄像机的位置
|
||||
private float cameraY=0;
|
||||
private float cameraZ=8;
|
||||
|
||||
private float targetX=0;//看点
|
||||
private float targetY=-2;
|
||||
private float targetZ=-15;
|
||||
|
||||
private float sightDis=30;//摄像机和目标的距离
|
||||
private float angdegElevation=45;//仰角
|
||||
private float angdegAzimuth=90;//方位角
|
||||
|
||||
|
||||
|
||||
private float mPreviousY;//上次的触控位置Y坐标
|
||||
private float mPreviousX;//上次的触控位置X坐标
|
||||
|
||||
private SceneRenderer mRenderer;//场景渲染器
|
||||
|
||||
int textureId; //系统分配的纹理id
|
||||
|
||||
boolean lightFlag=true; //光照旋转的标志位
|
||||
|
||||
public MySurfaceView(Context context) {
|
||||
super(context);
|
||||
this.setEGLContextClientVersion(2); //设置使用OPENGL ES2.0
|
||||
mRenderer = new SceneRenderer(); //创建场景渲染器
|
||||
setRenderer(mRenderer); //设置渲染器
|
||||
setRenderMode(GLSurfaceView.RENDERMODE_CONTINUOUSLY);//设置渲染模式为主动渲染
|
||||
}
|
||||
|
||||
//触摸事件回调方法
|
||||
@Override
|
||||
public boolean onTouchEvent(MotionEvent e) {
|
||||
float y = e.getY();
|
||||
float x = e.getX();
|
||||
switch (e.getAction()) {
|
||||
case MotionEvent.ACTION_MOVE:
|
||||
float dy = y - mPreviousY;//计算触控笔Y位移
|
||||
float dx = x - mPreviousX;//计算触控笔X位移
|
||||
angdegAzimuth += dx * TOUCH_SCALE_FACTOR;//设置沿y轴旋转角度
|
||||
angdegElevation+= dy * TOUCH_SCALE_FACTOR;//设置沿x轴旋转角度
|
||||
|
||||
//方位角
|
||||
if(angdegAzimuth>=360){
|
||||
angdegAzimuth=0;
|
||||
}else if(angdegAzimuth<=0){
|
||||
angdegAzimuth=360;
|
||||
}
|
||||
//仰角
|
||||
if(angdegElevation>=85){
|
||||
angdegElevation=85;
|
||||
}else if(angdegElevation<=0){
|
||||
angdegElevation=0;
|
||||
}
|
||||
}
|
||||
mPreviousY = y;//记录触控笔位置
|
||||
mPreviousX = x;//记录触控笔位置
|
||||
return true;
|
||||
}
|
||||
|
||||
private class SceneRenderer implements GLSurfaceView.Renderer
|
||||
{
|
||||
|
||||
Building building;
|
||||
|
||||
public void onDrawFrame(GL10 gl)
|
||||
{
|
||||
//清除深度缓冲与颜色缓冲
|
||||
GLES20.glClear( GLES20.GL_DEPTH_BUFFER_BIT | GLES20.GL_COLOR_BUFFER_BIT);
|
||||
|
||||
|
||||
double angradElevation=Math.toRadians(angdegElevation);//仰角（弧度）
|
||||
double angradAzimuth=Math.toRadians(angdegAzimuth);//方位角
|
||||
cameraX=(float) (targetX+sightDis*Math.cos(angradElevation)*Math.cos(angradAzimuth));
|
||||
cameraY=(float) (targetY+sightDis*Math.sin(angradElevation));
|
||||
cameraZ=(float) (targetZ+sightDis*Math.cos(angradElevation)*Math.sin(angradAzimuth));
|
||||
|
||||
MatrixState.setCamera(//设置camera位置
|
||||
cameraX, //人眼位置的X
|
||||
cameraY, //人眼位置的Y
|
||||
cameraZ, //人眼位置的Z
|
||||
|
||||
targetX, //人眼球看的点X
|
||||
targetY, //人眼球看的点Y
|
||||
targetZ, //人眼球看的点Z
|
||||
|
||||
0, //头的朝向
|
||||
1,
|
||||
0
|
||||
);
|
||||
|
||||
//保护现场
|
||||
MatrixState.pushMatrix();
|
||||
MatrixState.translate(0, 0, -15);
|
||||
building.drawSelf(textureId);
|
||||
MatrixState.popMatrix();
|
||||
|
||||
}
|
||||
|
||||
public void onSurfaceChanged(GL10 gl, int width, int height) {
|
||||
//设置视窗大小及位置
|
||||
GLES20.glViewport(0, 0, width, height);
|
||||
//计算GLSurfaceView的宽高比
|
||||
float ratio= (float) width / height;
|
||||
//调用此方法计算产生透视投影矩阵
|
||||
MatrixState.setProjectFrustum(-ratio, ratio, -1, 1, 4f, 100);
|
||||
// //调用此方法产生摄像机9参数位置矩阵
|
||||
// MatrixState.setCamera(0,0,8.0f,0f,0f,0f,0f,1.0f,0.0f);
|
||||
|
||||
//初始化光源
|
||||
MatrixState.setLightLocation(10 , 0 , -10);
|
||||
|
||||
//启动一个线程定时修改灯光的位置
|
||||
new Thread()
|
||||
{
|
||||
public void run()
|
||||
{
|
||||
float redAngle = 0;
|
||||
while(lightFlag)
|
||||
{
|
||||
//根据角度计算灯光的位置
|
||||
redAngle=(redAngle+5)%360;
|
||||
float rx=(float) (15*Math.sin(Math.toRadians(redAngle)));
|
||||
float rz=(float) (15*Math.cos(Math.toRadians(redAngle)));
|
||||
MatrixState.setLightLocation(rx, 0, rz);
|
||||
|
||||
try {
|
||||
Thread.sleep(100);
|
||||
} catch (InterruptedException e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
}
|
||||
}
|
||||
}.start();
|
||||
}
|
||||
|
||||
public void onSurfaceCreated(GL10 gl, EGLConfig config) {
|
||||
//设置屏幕背景色RGBA
|
||||
GLES20.glClearColor(0.0f,0.0f,0.0f, 1.0f);
|
||||
//启用深度测试
|
||||
GLES20.glEnable(GLES20.GL_DEPTH_TEST);
|
||||
//设置为打开背面剪裁
|
||||
GLES20.glEnable(GLES20.GL_CULL_FACE);
|
||||
//初始化变换矩阵
|
||||
MatrixState.setInitStack();
|
||||
|
||||
//加载纹理
|
||||
textureId=initTexture(R.drawable.white);
|
||||
|
||||
//创建对象
|
||||
building=new Building(MySurfaceView.this,0.8f,8,8);
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
public int initTexture(int drawableId)//textureId
|
||||
{
|
||||
//生成纹理ID
|
||||
int[] textures = new int[1];
|
||||
GLES20.glGenTextures
|
||||
(
|
||||
1, //产生的纹理id的数量
|
||||
textures, //纹理id的数组
|
||||
0 //偏移量
|
||||
);
|
||||
int textureId=textures[0];
|
||||
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, textureId);
|
||||
GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER,GLES20.GL_NEAREST);
|
||||
GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D,GLES20.GL_TEXTURE_MAG_FILTER,GLES20.GL_LINEAR);
|
||||
GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S,GLES20.GL_CLAMP_TO_EDGE);
|
||||
GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T,GLES20.GL_CLAMP_TO_EDGE);
|
||||
|
||||
//通过输入流加载图片===============begin===================
|
||||
InputStream is = this.getResources().openRawResource(drawableId);
|
||||
Bitmap bitmapTmp;
|
||||
try
|
||||
{
|
||||
bitmapTmp = BitmapFactory.decodeStream(is);
|
||||
}
|
||||
finally
|
||||
{
|
||||
try
|
||||
{
|
||||
is.close();
|
||||
}
|
||||
catch(IOException e)
|
||||
{
|
||||
e.printStackTrace();
|
||||
}
|
||||
}
|
||||
//通过输入流加载图片===============end=====================
|
||||
|
||||
//实际加载纹理
|
||||
GLUtils.texImage2D
|
||||
(
|
||||
GLES20.GL_TEXTURE_2D, //纹理类型，在OpenGL ES中必须为GL10.GL_TEXTURE_2D
|
||||
0, //纹理的层次，0表示基本图像层，可以理解为直接贴图
|
||||
bitmapTmp, //纹理图像
|
||||
0 //纹理边框尺寸
|
||||
);
|
||||
bitmapTmp.recycle(); //纹理加载成功后释放图片
|
||||
|
||||
return textureId;
|
||||
}
|
||||
|
||||
|
||||
|
||||
}
|
||||
@@ -0,0 +1,126 @@
|
||||
package com.bn.Sample8_7;
|
||||
|
||||
import java.io.ByteArrayOutputStream;
|
||||
import java.io.InputStream;
|
||||
|
||||
import android.content.res.Resources;
|
||||
import android.opengl.GLES20;
|
||||
import android.util.Log;
|
||||
|
||||
//加载顶点Shader与片元Shader的工具类
|
||||
public class ShaderUtil
|
||||
{
|
||||
//加载制定shader的方法
|
||||
public static int loadShader
|
||||
(
|
||||
int shaderType, //shader的类型 GLES20.GL_VERTEX_SHADER GLES20.GL_FRAGMENT_SHADER
|
||||
String source //shader的脚本字符串
|
||||
)
|
||||
{
|
||||
//创建一个新shader
|
||||
int shader = GLES20.glCreateShader(shaderType);
|
||||
//若创建成功则加载shader
|
||||
if (shader != 0)
|
||||
{
|
||||
//加载shader的源代码
|
||||
GLES20.glShaderSource(shader, source);
|
||||
//编译shader
|
||||
GLES20.glCompileShader(shader);
|
||||
//存放编译成功shader数量的数组
|
||||
int[] compiled = new int[1];
|
||||
//获取Shader的编译情况
|
||||
GLES20.glGetShaderiv(shader, GLES20.GL_COMPILE_STATUS, compiled, 0);
|
||||
if (compiled[0] == 0)
|
||||
{//若编译失败则显示错误日志并删除此shader
|
||||
Log.e("ES20_ERROR", "Could not compile shader " + shaderType + ":");
|
||||
Log.e("ES20_ERROR", GLES20.glGetShaderInfoLog(shader));
|
||||
GLES20.glDeleteShader(shader);
|
||||
shader = 0;
|
||||
}
|
||||
}
|
||||
return shader;
|
||||
}
|
||||
|
||||
//创建shader程序的方法
|
||||
public static int createProgram(String vertexSource, String fragmentSource)
|
||||
{
|
||||
//加载顶点着色器
|
||||
int vertexShader = loadShader(GLES20.GL_VERTEX_SHADER, vertexSource);
|
||||
if (vertexShader == 0)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
//加载片元着色器
|
||||
int pixelShader = loadShader(GLES20.GL_FRAGMENT_SHADER, fragmentSource);
|
||||
if (pixelShader == 0)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
//创建程序
|
||||
int program = GLES20.glCreateProgram();
|
||||
//若程序创建成功则向程序中加入顶点着色器与片元着色器
|
||||
if (program != 0)
|
||||
{
|
||||
//向程序中加入顶点着色器
|
||||
GLES20.glAttachShader(program, vertexShader);
|
||||
checkGlError("glAttachShader");
|
||||
//向程序中加入片元着色器
|
||||
GLES20.glAttachShader(program, pixelShader);
|
||||
checkGlError("glAttachShader");
|
||||
//链接程序
|
||||
GLES20.glLinkProgram(program);
|
||||
//存放链接成功program数量的数组
|
||||
int[] linkStatus = new int[1];
|
||||
//获取program的链接情况
|
||||
GLES20.glGetProgramiv(program, GLES20.GL_LINK_STATUS, linkStatus, 0);
|
||||
//若链接失败则报错并删除程序
|
||||
if (linkStatus[0] != GLES20.GL_TRUE)
|
||||
{
|
||||
Log.e("ES20_ERROR", "Could not link program: ");
|
||||
Log.e("ES20_ERROR", GLES20.glGetProgramInfoLog(program));
|
||||
GLES20.glDeleteProgram(program);
|
||||
program = 0;
|
||||
}
|
||||
}
|
||||
return program;
|
||||
}
|
||||
|
||||
//检查每一步操作是否有错误的方法
|
||||
public static void checkGlError(String op)
|
||||
{
|
||||
int error;
|
||||
while ((error = GLES20.glGetError()) != GLES20.GL_NO_ERROR)
|
||||
{
|
||||
Log.e("ES20_ERROR", op + ": glError " + error);
|
||||
throw new RuntimeException(op + ": glError " + error);
|
||||
}
|
||||
}
|
||||
|
||||
//从sh脚本中加载shader内容的方法
|
||||
public static String loadFromAssetsFile(String fname,Resources r)
|
||||
{
|
||||
String result=null;
|
||||
try
|
||||
{
|
||||
InputStream in=r.getAssets().open(fname);
|
||||
int ch=0;
|
||||
ByteArrayOutputStream baos = new ByteArrayOutputStream();
|
||||
while((ch=in.read())!=-1)
|
||||
{
|
||||
baos.write(ch);
|
||||
}
|
||||
byte[] buff=baos.toByteArray();
|
||||
baos.close();
|
||||
in.close();
|
||||
result=new String(buff,"UTF-8");
|
||||
result=result.replaceAll("\\r\\n","\n");
|
||||
}
|
||||
catch(Exception e)
|
||||
{
|
||||
e.printStackTrace();
|
||||
}
|
||||
return result;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,136 @@
|
||||
package com.bn.Sample8_7;
|
||||
|
||||
import static com.bn.Sample8_7.ShaderUtil.createProgram;
|
||||
|
||||
import java.nio.ByteBuffer;
|
||||
import java.nio.ByteOrder;
|
||||
import java.nio.FloatBuffer;
|
||||
import android.opengl.GLES20;
|
||||
/*
|
||||
* 矩形平面类
|
||||
*/
|
||||
public class Texture
|
||||
{
|
||||
int mProgram;//自定义渲染管线着色器程序id
|
||||
int muMVPMatrixHandle;//总变换矩阵引用
|
||||
int maPositionHandle; //顶点位置属性引用
|
||||
int maTexCoorHandle; //顶点纹理坐标属性引用
|
||||
|
||||
String mVertexShader;//顶点着色器代码脚本
|
||||
String mFragmentShader;//片元着色器代码脚本
|
||||
|
||||
FloatBuffer mVertexBuffer;//顶点坐标数据缓冲
|
||||
FloatBuffer mTexCoorBuffer;//顶点纹理坐标数据缓冲
|
||||
|
||||
int vCount=0;
|
||||
float xAngle=0;//绕x轴旋转的角度
|
||||
float yAngle=0;//绕y轴旋转的角度
|
||||
float zAngle=0;//绕z轴旋转的角度
|
||||
|
||||
public Texture(MySurfaceView mv,float scale,float a, float b, int nS, int nT)
|
||||
{
|
||||
//调用初始化顶点数据的initVertexData方法
|
||||
initVertexData(scale,a,b,nS,nT);
|
||||
//调用初始化着色器的intShader方法
|
||||
initShader(mv);
|
||||
}
|
||||
|
||||
//自定义的初始化顶点数据的方法
|
||||
public void initVertexData(float scale,float a, float b, int nS, int nT) {
|
||||
|
||||
a*=scale;
|
||||
b*=scale;
|
||||
float xOffset=a/2;
|
||||
float yOffset=b/2;
|
||||
vCount=6;
|
||||
//坐标数据初始化
|
||||
float[] vertices=new float[]{
|
||||
-xOffset,-yOffset,0,
|
||||
xOffset,yOffset,0,
|
||||
-xOffset,yOffset,0,
|
||||
|
||||
-xOffset,-yOffset,0,
|
||||
xOffset,-yOffset,0,
|
||||
xOffset,yOffset,0
|
||||
};
|
||||
ByteBuffer vbb = ByteBuffer.allocateDirect(vertices.length*4);//创建顶点坐标数据缓冲
|
||||
vbb.order(ByteOrder.nativeOrder());//设置字节顺序
|
||||
mVertexBuffer = vbb.asFloatBuffer();//转换为float型缓冲
|
||||
mVertexBuffer.put(vertices);//向缓冲区中放入顶点坐标数据
|
||||
mVertexBuffer.position(0);//设置缓冲区起始位置
|
||||
|
||||
float[] textures={
|
||||
0,1, 1,0, 0,0,
|
||||
0,1, 1,1, 1,0
|
||||
};
|
||||
//创建顶点着色数据缓冲
|
||||
ByteBuffer cbb = ByteBuffer.allocateDirect(textures.length*4);
|
||||
cbb.order(ByteOrder.nativeOrder());//设置字节顺序为本地操作系统顺序
|
||||
mTexCoorBuffer = cbb.asFloatBuffer();//转换为Float型缓冲
|
||||
mTexCoorBuffer.put(textures);//向缓冲区中放入顶点着色数据
|
||||
mTexCoorBuffer.position(0);//设置缓冲区起始位置
|
||||
}
|
||||
|
||||
//自定义初始化着色器initShader方法
|
||||
public void initShader(MySurfaceView mv)
|
||||
{
|
||||
//加载顶点着色器的脚本内容
|
||||
mVertexShader=ShaderUtil.loadFromAssetsFile("vertex_tex.sh", mv.getResources());
|
||||
//加载片元着色器的脚本内容
|
||||
mFragmentShader=ShaderUtil.loadFromAssetsFile("frag_tex.sh", mv.getResources());
|
||||
//基于顶点着色器与片元着色器创建程序
|
||||
mProgram = createProgram(mVertexShader, mFragmentShader);
|
||||
//获取程序中顶点位置属性引用id
|
||||
maPositionHandle = GLES20.glGetAttribLocation(mProgram, "aPosition");
|
||||
//获取程序中顶点纹理坐标属性引用id
|
||||
maTexCoorHandle= GLES20.glGetAttribLocation(mProgram, "aTexCoor");
|
||||
//获取程序中总变换矩阵引用id
|
||||
muMVPMatrixHandle = GLES20.glGetUniformLocation(mProgram, "uMVPMatrix");
|
||||
}
|
||||
|
||||
public void drawSelf(int texId)
|
||||
{
|
||||
MatrixState.rotate(xAngle, 1, 0, 0);
|
||||
MatrixState.rotate(yAngle, 0, 1, 0);
|
||||
MatrixState.rotate(zAngle, 0, 0, 1);
|
||||
|
||||
//制定使用某套shader程序
|
||||
GLES20.glUseProgram(mProgram);
|
||||
|
||||
//将最终变换矩阵传入shader程序
|
||||
GLES20.glUniformMatrix4fv(muMVPMatrixHandle, 1, false, MatrixState.getFinalMatrix(), 0);
|
||||
|
||||
//传送顶点位置数据
|
||||
GLES20.glVertexAttribPointer
|
||||
(
|
||||
maPositionHandle,
|
||||
3,
|
||||
GLES20.GL_FLOAT,
|
||||
false,
|
||||
3*4,
|
||||
mVertexBuffer
|
||||
);
|
||||
//传送顶点纹理坐标数据
|
||||
GLES20.glVertexAttribPointer
|
||||
(
|
||||
maTexCoorHandle,
|
||||
2,
|
||||
GLES20.GL_FLOAT,
|
||||
false,
|
||||
2*4,
|
||||
mTexCoorBuffer
|
||||
);
|
||||
|
||||
//启用顶点位置数据
|
||||
GLES20.glEnableVertexAttribArray(maPositionHandle);
|
||||
//启用顶点纹理数据
|
||||
GLES20.glEnableVertexAttribArray(maTexCoorHandle);
|
||||
|
||||
//绑定纹理
|
||||
GLES20.glActiveTexture(GLES20.GL_TEXTURE0);
|
||||
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, texId);
|
||||
|
||||
//绘制纹理矩形
|
||||
GLES20.glDrawArrays(GLES20.GL_TRIANGLES, 0, vCount);
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,62 @@
|
||||
package com.bn.Sample8_7;
|
||||
|
||||
/*
|
||||
* 绘制穹顶的类
|
||||
*/
|
||||
|
||||
public class Top {
|
||||
float scale;//穹顶的大小
|
||||
|
||||
TopPart1 top1;//穹顶的第一部分
|
||||
TopPart2 top2;//穹顶的第二部分
|
||||
TopPart3 top3;//穹顶的第三部分
|
||||
TopPart4 top4;//穹顶的第四部分
|
||||
|
||||
|
||||
float xAngle=0;//绕x轴旋转的角度
|
||||
float yAngle=0;//绕y轴旋转的角度
|
||||
float zAngle=0;//绕z轴旋转的角度
|
||||
|
||||
|
||||
Top(MySurfaceView mv,float scale, int nCol ,int nRow)
|
||||
{
|
||||
this.scale=scale;//茶壶大小赋值
|
||||
|
||||
//创建对象
|
||||
top1=new TopPart1(mv,0.4f*scale,nCol,nRow);//穹顶的第一部分
|
||||
top2=new TopPart2(mv,0.4f*scale,nCol,nRow);//穹顶的第二部分
|
||||
top3=new TopPart3(mv,0.8f*scale,nCol,nRow);//穹顶的第三部分
|
||||
top4=new TopPart4(mv,0.8f*scale,nCol,nRow);//穹顶的第四部分
|
||||
|
||||
}
|
||||
public void drawSelf(int texId)
|
||||
{
|
||||
|
||||
MatrixState.rotate(xAngle, 1, 0, 0);
|
||||
MatrixState.rotate(yAngle, 0, 1, 0);
|
||||
MatrixState.rotate(zAngle, 0, 0, 1);
|
||||
|
||||
|
||||
//穹顶的第一部分
|
||||
MatrixState.pushMatrix();
|
||||
MatrixState.translate(0f, 4.0f*scale, 0f);
|
||||
top1.drawSelf(texId);//穹顶的第一部分
|
||||
MatrixState.popMatrix();
|
||||
//穹顶的第二部分
|
||||
MatrixState.pushMatrix();
|
||||
MatrixState.translate(0f, 3.7f*scale, 0f);
|
||||
top2.drawSelf(texId);//穹顶的第二部分
|
||||
MatrixState.popMatrix();
|
||||
//穹顶的第三部分
|
||||
MatrixState.pushMatrix();
|
||||
MatrixState.translate(0f, 0f*scale, 0f);
|
||||
top3.drawSelf(texId);
|
||||
MatrixState.popMatrix();
|
||||
//穹顶的第四部分
|
||||
MatrixState.pushMatrix();
|
||||
MatrixState.translate(0f, -1.9f*scale, 0f);
|
||||
top4.drawSelf(texId);
|
||||
MatrixState.popMatrix();
|
||||
}
|
||||
|
||||
}
|
||||
@@ -0,0 +1,196 @@
|
||||
package com.bn.Sample8_7;
|
||||
|
||||
import static com.bn.Sample8_7.ShaderUtil.createProgram;
|
||||
import java.nio.ByteBuffer;
|
||||
import java.nio.ByteOrder;
|
||||
import java.nio.FloatBuffer;
|
||||
import java.util.ArrayList;
|
||||
import android.opengl.GLES20;
|
||||
/*
|
||||
* 泰姬陵顶部组建1
|
||||
*/
|
||||
public class TopPart1 {
|
||||
int mProgram;//自定义渲染管线着色器程序id
|
||||
int muMVPMatrixHandle;//总变换矩阵引用
|
||||
int maPositionHandle; //顶点位置属性引用
|
||||
int maTexCoorHandle; //顶点纹理坐标属性引用
|
||||
|
||||
String mVertexShader;//顶点着色器代码脚本
|
||||
String mFragmentShader;//片元着色器代码脚本
|
||||
|
||||
FloatBuffer mVertexBuffer;//顶点坐标数据缓冲
|
||||
FloatBuffer mTexCoorBuffer;//顶点纹理坐标数据缓冲
|
||||
|
||||
int vCount=0;
|
||||
float xAngle=0;//绕x轴旋转的角度
|
||||
float yAngle=0;//绕y轴旋转的角度
|
||||
float zAngle=0;//绕z轴旋转的角度
|
||||
|
||||
float scale;
|
||||
|
||||
public TopPart1(MySurfaceView mv,float scale, int nCol ,int nRow)
|
||||
{
|
||||
this.scale=scale;
|
||||
//调用初始化顶点数据的initVertexData方法
|
||||
initVertexData(scale,nCol,nRow);
|
||||
//调用初始化着色器的intShader方法
|
||||
initShader(mv);
|
||||
}
|
||||
|
||||
//自定义的初始化顶点数据的方法
|
||||
public void initVertexData(float scale, int nCol ,int nRow //大小，列数，行数（行数要保证可以被1除尽）
|
||||
){
|
||||
//成员变量初始化
|
||||
float angdegSpan=360.0f/nCol;
|
||||
vCount=3*nCol*nRow*2;//顶点个数，共有nColumn*nRow*2个三角形，每个三角形都有三个顶点
|
||||
//坐标数据初始化
|
||||
ArrayList<Float> alVertix=new ArrayList<Float>();//原顶点列表（未卷绕）
|
||||
ArrayList<Integer> alFaceIndex=new ArrayList<Integer>();//组织成面的顶点的索引值列表（按逆时针卷绕）
|
||||
|
||||
//以下是贝赛尔曲线的实现代码
|
||||
BezierUtil.al.clear();//清空数据点列表
|
||||
|
||||
//加入数据点
|
||||
BezierUtil.al.add(new BNPosition(-1, 171));
|
||||
BezierUtil.al.add(new BNPosition(14, 191));
|
||||
BezierUtil.al.add(new BNPosition(17, 183));
|
||||
BezierUtil.al.add(new BNPosition(5, 154));
|
||||
BezierUtil.al.add(new BNPosition(31, 274));
|
||||
BezierUtil.al.add(new BNPosition(32, 243));
|
||||
BezierUtil.al.add(new BNPosition(30, 230));
|
||||
BezierUtil.al.add(new BNPosition(0, 253));
|
||||
|
||||
|
||||
//通过数据点，获取贝赛尔曲线上的点的列表
|
||||
ArrayList<BNPosition> alCurve=BezierUtil.getBezierData(1.0f/nRow);
|
||||
//顶点
|
||||
for(int i=0;i<nRow+1;i++)
|
||||
{
|
||||
double r=alCurve.get(i).x*Constant.DATA_RATIO*scale;//当前圆的半径
|
||||
float y=alCurve.get(i).y*Constant.DATA_RATIO*scale;//当前y值
|
||||
for(float angdeg=0;Math.ceil(angdeg)<360+angdegSpan;angdeg+=angdegSpan)//重复了一列顶点，方便了索引的计算
|
||||
{
|
||||
double angrad=Math.toRadians(angdeg);//当前列弧度
|
||||
float x=(float) (-r*Math.sin(angrad));
|
||||
float z=(float) (-r*Math.cos(angrad));
|
||||
//将计算出来的XYZ坐标加入存放顶点坐标的ArrayList
|
||||
alVertix.add(x); alVertix.add(y); alVertix.add(z);
|
||||
}
|
||||
}
|
||||
//索引
|
||||
for(int i=0;i<nRow;i++){
|
||||
for(int j=0;j<nCol;j++){
|
||||
int index=i*(nCol+1)+j;//当前索引
|
||||
//卷绕索引
|
||||
alFaceIndex.add(index+1);//下一列---1
|
||||
alFaceIndex.add(index+nCol+2);//下一行下一列---3
|
||||
alFaceIndex.add(index+nCol+1);//下一列---2
|
||||
|
||||
alFaceIndex.add(index+1);//下一列---1
|
||||
alFaceIndex.add(index+nCol+1);//下一列---2
|
||||
alFaceIndex.add(index);//当前---0
|
||||
}
|
||||
}
|
||||
//计算卷绕顶点
|
||||
float[] vertices=new float[vCount*3];
|
||||
vertices=VectorUtil.calVertices(alVertix, alFaceIndex);
|
||||
|
||||
//顶点坐标数据初始化
|
||||
ByteBuffer vbb = ByteBuffer.allocateDirect(vertices.length*4);//创建顶点坐标数据缓冲
|
||||
vbb.order(ByteOrder.nativeOrder());//设置字节顺序
|
||||
mVertexBuffer = vbb.asFloatBuffer();//转换为float型缓冲
|
||||
mVertexBuffer.put(vertices);//向缓冲区中放入顶点坐标数据
|
||||
mVertexBuffer.position(0);//设置缓冲区起始位置
|
||||
|
||||
//纹理
|
||||
ArrayList<Float> alST=new ArrayList<Float>();//原顶点列表（未卷绕）
|
||||
|
||||
float yMin=999999999;//y最小值
|
||||
float yMax=0;//y最大值
|
||||
for(BNPosition pos:alCurve){
|
||||
yMin=Math.min(yMin, pos.y);//y最小值
|
||||
yMax=Math.max(yMax, pos.y);//y最大值
|
||||
}
|
||||
for(int i=0;i<nRow+1;i++)
|
||||
{
|
||||
float y=alCurve.get(i).y;//当前y值
|
||||
float t=1-(y-yMin)/(yMax-yMin);//t坐标
|
||||
for(float angdeg=0;Math.ceil(angdeg)<360+angdegSpan;angdeg+=angdegSpan)//重复了一列纹理坐标，以索引的计算
|
||||
{
|
||||
float s=angdeg/360;//s坐标
|
||||
//将计算出来的ST坐标加入存放顶点坐标的ArrayList
|
||||
alST.add(s); alST.add(t);
|
||||
}
|
||||
}
|
||||
//计算卷绕后纹理坐标
|
||||
float[] textures=VectorUtil.calTextures(alST, alFaceIndex);
|
||||
ByteBuffer tbb = ByteBuffer.allocateDirect(textures.length*4);//创建顶点纹理数据缓冲
|
||||
tbb.order(ByteOrder.nativeOrder());//设置字节顺序
|
||||
mTexCoorBuffer = tbb.asFloatBuffer();//转换为float型缓冲
|
||||
mTexCoorBuffer.put(textures);//向缓冲区中放入顶点纹理数据
|
||||
mTexCoorBuffer.position(0);//设置缓冲区起始位置
|
||||
}
|
||||
|
||||
//自定义初始化着色器initShader方法
|
||||
public void initShader(MySurfaceView mv)
|
||||
{
|
||||
//加载顶点着色器的脚本内容
|
||||
mVertexShader=ShaderUtil.loadFromAssetsFile("vertex_tex.sh", mv.getResources());
|
||||
//加载片元着色器的脚本内容
|
||||
mFragmentShader=ShaderUtil.loadFromAssetsFile("frag_tex.sh", mv.getResources());
|
||||
//基于顶点着色器与片元着色器创建程序
|
||||
mProgram = createProgram(mVertexShader, mFragmentShader);
|
||||
//获取程序中顶点位置属性引用id
|
||||
maPositionHandle = GLES20.glGetAttribLocation(mProgram, "aPosition");
|
||||
//获取程序中顶点纹理坐标属性引用id
|
||||
maTexCoorHandle= GLES20.glGetAttribLocation(mProgram, "aTexCoor");
|
||||
//获取程序中总变换矩阵引用id
|
||||
muMVPMatrixHandle = GLES20.glGetUniformLocation(mProgram, "uMVPMatrix");
|
||||
}
|
||||
|
||||
public void drawSelf(int texId)
|
||||
{
|
||||
MatrixState.rotate(xAngle, 1, 0, 0);
|
||||
MatrixState.rotate(yAngle, 0, 1, 0);
|
||||
MatrixState.rotate(zAngle, 0, 0, 1);
|
||||
|
||||
//制定使用某套shader程序
|
||||
GLES20.glUseProgram(mProgram);
|
||||
|
||||
//将最终变换矩阵传入shader程序
|
||||
GLES20.glUniformMatrix4fv(muMVPMatrixHandle, 1, false, MatrixState.getFinalMatrix(), 0);
|
||||
|
||||
//传送顶点位置数据
|
||||
GLES20.glVertexAttribPointer
|
||||
(
|
||||
maPositionHandle,
|
||||
3,
|
||||
GLES20.GL_FLOAT,
|
||||
false,
|
||||
3*4,
|
||||
mVertexBuffer
|
||||
);
|
||||
//传送顶点纹理坐标数据
|
||||
GLES20.glVertexAttribPointer
|
||||
(
|
||||
maTexCoorHandle,
|
||||
2,
|
||||
GLES20.GL_FLOAT,
|
||||
false,
|
||||
2*4,
|
||||
mTexCoorBuffer
|
||||
);
|
||||
|
||||
//启用顶点位置数据
|
||||
GLES20.glEnableVertexAttribArray(maPositionHandle);
|
||||
//启用顶点纹理数据
|
||||
GLES20.glEnableVertexAttribArray(maTexCoorHandle);
|
||||
|
||||
//绑定纹理
|
||||
GLES20.glActiveTexture(GLES20.GL_TEXTURE0);
|
||||
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, texId);
|
||||
|
||||
//绘制纹理矩形
|
||||
GLES20.glDrawArrays(GLES20.GL_TRIANGLES, 0, vCount);
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,201 @@
|
||||
package com.bn.Sample8_7;
|
||||
|
||||
import static com.bn.Sample8_7.ShaderUtil.createProgram;
|
||||
|
||||
import java.nio.ByteBuffer;
|
||||
import java.nio.ByteOrder;
|
||||
import java.nio.FloatBuffer;
|
||||
import java.util.ArrayList;
|
||||
import android.opengl.GLES20;
|
||||
|
||||
/*
|
||||
* 泰姬陵顶部组建2
|
||||
*/
|
||||
public class TopPart2 {
|
||||
int mProgram;//自定义渲染管线着色器程序id
|
||||
int muMVPMatrixHandle;//总变换矩阵引用
|
||||
int maPositionHandle; //顶点位置属性引用
|
||||
int maTexCoorHandle; //顶点纹理坐标属性引用
|
||||
|
||||
String mVertexShader;//顶点着色器代码脚本
|
||||
String mFragmentShader;//片元着色器代码脚本
|
||||
|
||||
FloatBuffer mVertexBuffer;//顶点坐标数据缓冲
|
||||
FloatBuffer mTexCoorBuffer;//顶点纹理坐标数据缓冲
|
||||
|
||||
int vCount=0;
|
||||
float xAngle=0;//绕x轴旋转的角度
|
||||
float yAngle=0;//绕y轴旋转的角度
|
||||
float zAngle=0;//绕z轴旋转的角度
|
||||
|
||||
float scale;
|
||||
|
||||
public TopPart2(MySurfaceView mv,float scale, int nCol ,int nRow)
|
||||
{
|
||||
this.scale=scale;
|
||||
//调用初始化顶点数据的initVertexData方法
|
||||
initVertexData(scale,nCol,nRow);
|
||||
//调用初始化着色器的intShader方法
|
||||
initShader(mv);
|
||||
}
|
||||
|
||||
//自定义的初始化顶点数据的方法
|
||||
public void initVertexData(float scale, int nCol ,int nRow //大小，列数，行数（行数要保证可以被1除尽）
|
||||
){
|
||||
//成员变量初始化
|
||||
float angdegSpan=360.0f/nCol;
|
||||
vCount=3*nCol*nRow*2;//顶点个数，共有nColumn*nRow*2个三角形，每个三角形都有三个顶点
|
||||
//坐标数据初始化
|
||||
ArrayList<Float> alVertix=new ArrayList<Float>();//原顶点列表（未卷绕）
|
||||
ArrayList<Integer> alFaceIndex=new ArrayList<Integer>();//组织成面的顶点的索引值列表（按逆时针卷绕）
|
||||
|
||||
//以下是贝赛尔曲线的实现代码
|
||||
BezierUtil.al.clear();//清空数据点列表
|
||||
|
||||
//加入数据点
|
||||
BezierUtil.al.add(new BNPosition(0, 113));
|
||||
BezierUtil.al.add(new BNPosition(28, 128));
|
||||
BezierUtil.al.add(new BNPosition(57, 150));
|
||||
BezierUtil.al.add(new BNPosition(24, 135));
|
||||
BezierUtil.al.add(new BNPosition(42, 125));
|
||||
BezierUtil.al.add(new BNPosition(36, 152));
|
||||
BezierUtil.al.add(new BNPosition(28, 175));
|
||||
BezierUtil.al.add(new BNPosition(14, 226));
|
||||
BezierUtil.al.add(new BNPosition(38, 191));
|
||||
BezierUtil.al.add(new BNPosition(21, 202));
|
||||
BezierUtil.al.add(new BNPosition(-1, 208));
|
||||
|
||||
|
||||
//通过数据点，获取贝赛尔曲线上的点的列表
|
||||
ArrayList<BNPosition> alCurve=BezierUtil.getBezierData(1.0f/nRow);
|
||||
//顶点
|
||||
for(int i=0;i<nRow+1;i++)
|
||||
{
|
||||
double r=alCurve.get(i).x*Constant.DATA_RATIO*scale;//当前圆的半径
|
||||
float y=alCurve.get(i).y*Constant.DATA_RATIO*scale;//当前y值
|
||||
for(float angdeg=0;Math.ceil(angdeg)<360+angdegSpan;angdeg+=angdegSpan)//重复了一列顶点，方便了索引的计算
|
||||
{
|
||||
double angrad=Math.toRadians(angdeg);//当前列弧度
|
||||
float x=(float) (-r*Math.sin(angrad));
|
||||
float z=(float) (-r*Math.cos(angrad));
|
||||
//将计算出来的XYZ坐标加入存放顶点坐标的ArrayList
|
||||
alVertix.add(x); alVertix.add(y); alVertix.add(z);
|
||||
}
|
||||
}
|
||||
//索引
|
||||
for(int i=0;i<nRow;i++){
|
||||
for(int j=0;j<nCol;j++){
|
||||
int index=i*(nCol+1)+j;//当前索引
|
||||
//卷绕索引
|
||||
alFaceIndex.add(index+1);//下一列---1
|
||||
alFaceIndex.add(index+nCol+2);//下一行下一列---3
|
||||
alFaceIndex.add(index+nCol+1);//下一列---2
|
||||
|
||||
alFaceIndex.add(index+1);//下一列---1
|
||||
alFaceIndex.add(index+nCol+1);//下一列---2
|
||||
alFaceIndex.add(index);//当前---0
|
||||
}
|
||||
}
|
||||
//计算卷绕顶点
|
||||
float[] vertices=new float[vCount*3];
|
||||
vertices=VectorUtil.calVertices(alVertix, alFaceIndex);
|
||||
|
||||
//顶点坐标数据初始化
|
||||
ByteBuffer vbb = ByteBuffer.allocateDirect(vertices.length*4);//创建顶点坐标数据缓冲
|
||||
vbb.order(ByteOrder.nativeOrder());//设置字节顺序
|
||||
mVertexBuffer = vbb.asFloatBuffer();//转换为float型缓冲
|
||||
mVertexBuffer.put(vertices);//向缓冲区中放入顶点坐标数据
|
||||
mVertexBuffer.position(0);//设置缓冲区起始位置
|
||||
|
||||
//纹理
|
||||
ArrayList<Float> alST=new ArrayList<Float>();//原顶点列表（未卷绕）
|
||||
|
||||
float yMin=999999999;//y最小值
|
||||
float yMax=0;//y最大值
|
||||
for(BNPosition pos:alCurve){
|
||||
yMin=Math.min(yMin, pos.y);//y最小值
|
||||
yMax=Math.max(yMax, pos.y);//y最大值
|
||||
}
|
||||
for(int i=0;i<nRow+1;i++)
|
||||
{
|
||||
float y=alCurve.get(i).y;//当前y值
|
||||
float t=1-(y-yMin)/(yMax-yMin);//t坐标
|
||||
for(float angdeg=0;Math.ceil(angdeg)<360+angdegSpan;angdeg+=angdegSpan)//重复了一列纹理坐标，以索引的计算
|
||||
{
|
||||
float s=angdeg/360;//s坐标
|
||||
//将计算出来的ST坐标加入存放顶点坐标的ArrayList
|
||||
alST.add(s); alST.add(t);
|
||||
}
|
||||
}
|
||||
//计算卷绕后纹理坐标
|
||||
float[] textures=VectorUtil.calTextures(alST, alFaceIndex);
|
||||
ByteBuffer tbb = ByteBuffer.allocateDirect(textures.length*4);//创建顶点纹理数据缓冲
|
||||
tbb.order(ByteOrder.nativeOrder());//设置字节顺序
|
||||
mTexCoorBuffer = tbb.asFloatBuffer();//转换为float型缓冲
|
||||
mTexCoorBuffer.put(textures);//向缓冲区中放入顶点纹理数据
|
||||
mTexCoorBuffer.position(0);//设置缓冲区起始位置
|
||||
}
|
||||
|
||||
//自定义初始化着色器initShader方法
|
||||
public void initShader(MySurfaceView mv)
|
||||
{
|
||||
//加载顶点着色器的脚本内容
|
||||
mVertexShader=ShaderUtil.loadFromAssetsFile("vertex_tex.sh", mv.getResources());
|
||||
//加载片元着色器的脚本内容
|
||||
mFragmentShader=ShaderUtil.loadFromAssetsFile("frag_tex.sh", mv.getResources());
|
||||
//基于顶点着色器与片元着色器创建程序
|
||||
mProgram = createProgram(mVertexShader, mFragmentShader);
|
||||
//获取程序中顶点位置属性引用id
|
||||
maPositionHandle = GLES20.glGetAttribLocation(mProgram, "aPosition");
|
||||
//获取程序中顶点纹理坐标属性引用id
|
||||
maTexCoorHandle= GLES20.glGetAttribLocation(mProgram, "aTexCoor");
|
||||
//获取程序中总变换矩阵引用id
|
||||
muMVPMatrixHandle = GLES20.glGetUniformLocation(mProgram, "uMVPMatrix");
|
||||
}
|
||||
|
||||
public void drawSelf(int texId)
|
||||
{
|
||||
MatrixState.rotate(xAngle, 1, 0, 0);
|
||||
MatrixState.rotate(yAngle, 0, 1, 0);
|
||||
MatrixState.rotate(zAngle, 0, 0, 1);
|
||||
|
||||
//制定使用某套shader程序
|
||||
GLES20.glUseProgram(mProgram);
|
||||
|
||||
//将最终变换矩阵传入shader程序
|
||||
GLES20.glUniformMatrix4fv(muMVPMatrixHandle, 1, false, MatrixState.getFinalMatrix(), 0);
|
||||
|
||||
//传送顶点位置数据
|
||||
GLES20.glVertexAttribPointer
|
||||
(
|
||||
maPositionHandle,
|
||||
3,
|
||||
GLES20.GL_FLOAT,
|
||||
false,
|
||||
3*4,
|
||||
mVertexBuffer
|
||||
);
|
||||
//传送顶点纹理坐标数据
|
||||
GLES20.glVertexAttribPointer
|
||||
(
|
||||
maTexCoorHandle,
|
||||
2,
|
||||
GLES20.GL_FLOAT,
|
||||
false,
|
||||
2*4,
|
||||
mTexCoorBuffer
|
||||
);
|
||||
|
||||
//启用顶点位置数据
|
||||
GLES20.glEnableVertexAttribArray(maPositionHandle);
|
||||
//启用顶点纹理数据
|
||||
GLES20.glEnableVertexAttribArray(maTexCoorHandle);
|
||||
|
||||
//绑定纹理
|
||||
GLES20.glActiveTexture(GLES20.GL_TEXTURE0);
|
||||
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, texId);
|
||||
|
||||
//绘制纹理矩形
|
||||
GLES20.glDrawArrays(GLES20.GL_TRIANGLES, 0, vCount);
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,205 @@
|
||||
package com.bn.Sample8_7;
|
||||
|
||||
import static com.bn.Sample8_7.ShaderUtil.createProgram;
|
||||
|
||||
import java.nio.ByteBuffer;
|
||||
import java.nio.ByteOrder;
|
||||
import java.nio.FloatBuffer;
|
||||
import java.util.ArrayList;
|
||||
|
||||
import android.opengl.GLES20;
|
||||
|
||||
/*
|
||||
* 泰姬陵顶部组建3
|
||||
*/
|
||||
public class TopPart3 {
|
||||
int mProgram;//自定义渲染管线着色器程序id
|
||||
int muMVPMatrixHandle;//总变换矩阵引用
|
||||
int maPositionHandle; //顶点位置属性引用
|
||||
int maTexCoorHandle; //顶点纹理坐标属性引用
|
||||
|
||||
String mVertexShader;//顶点着色器代码脚本
|
||||
String mFragmentShader;//片元着色器代码脚本
|
||||
|
||||
FloatBuffer mVertexBuffer;//顶点坐标数据缓冲
|
||||
FloatBuffer mTexCoorBuffer;//顶点纹理坐标数据缓冲
|
||||
|
||||
int vCount=0;
|
||||
float xAngle=0;//绕x轴旋转的角度
|
||||
float yAngle=0;//绕y轴旋转的角度
|
||||
float zAngle=0;//绕z轴旋转的角度
|
||||
|
||||
float scale;
|
||||
|
||||
public TopPart3(MySurfaceView mv,float scale, int nCol ,int nRow)
|
||||
{
|
||||
this.scale=scale;
|
||||
//调用初始化顶点数据的initVertexData方法
|
||||
initVertexData(scale,nCol,nRow);
|
||||
//调用初始化着色器的intShader方法
|
||||
initShader(mv);
|
||||
}
|
||||
|
||||
//自定义的初始化顶点数据的方法
|
||||
public void initVertexData(float scale, int nCol ,int nRow //大小，列数，行数（行数要保证可以被1除尽）
|
||||
){
|
||||
//成员变量初始化
|
||||
float angdegSpan=360.0f/nCol;
|
||||
vCount=3*nCol*nRow*2;//顶点个数，共有nColumn*nRow*2个三角形，每个三角形都有三个顶点
|
||||
//坐标数据初始化
|
||||
ArrayList<Float> alVertix=new ArrayList<Float>();//原顶点列表（未卷绕）
|
||||
ArrayList<Integer> alFaceIndex=new ArrayList<Integer>();//组织成面的顶点的索引值列表（按逆时针卷绕）
|
||||
|
||||
//以下是贝赛尔曲线的实现代码
|
||||
BezierUtil.al.clear();//清空数据点列表
|
||||
|
||||
//加入数据点
|
||||
BezierUtil.al.add(new BNPosition(97, 35));
|
||||
BezierUtil.al.add(new BNPosition(165, 175));
|
||||
BezierUtil.al.add(new BNPosition(81, 143));
|
||||
BezierUtil.al.add(new BNPosition(58, 162));
|
||||
BezierUtil.al.add(new BNPosition(42, 172));
|
||||
BezierUtil.al.add(new BNPosition(26, 186));
|
||||
BezierUtil.al.add(new BNPosition(72, 231));
|
||||
BezierUtil.al.add(new BNPosition(38, 187));
|
||||
BezierUtil.al.add(new BNPosition(18, 159));
|
||||
BezierUtil.al.add(new BNPosition(77, 214));
|
||||
BezierUtil.al.add(new BNPosition(83, 186));
|
||||
BezierUtil.al.add(new BNPosition(69, 169));
|
||||
BezierUtil.al.add(new BNPosition(55, 206));
|
||||
BezierUtil.al.add(new BNPosition(0, 246));
|
||||
|
||||
|
||||
//通过数据点，获取贝赛尔曲线上的点的列表
|
||||
ArrayList<BNPosition> alCurve=BezierUtil.getBezierData(1.0f/nRow);
|
||||
//顶点
|
||||
for(int i=0;i<nRow+1;i++)
|
||||
{
|
||||
double r=alCurve.get(i).x*Constant.DATA_RATIO*scale;//当前圆的半径
|
||||
float y=alCurve.get(i).y*Constant.DATA_RATIO*scale;//当前y值
|
||||
for(float angdeg=0;Math.ceil(angdeg)<360+angdegSpan;angdeg+=angdegSpan)//重复了一列顶点，方便了索引的计算
|
||||
{
|
||||
double angrad=Math.toRadians(angdeg);//当前列弧度
|
||||
float x=(float) (-r*Math.sin(angrad));
|
||||
float z=(float) (-r*Math.cos(angrad));
|
||||
//将计算出来的XYZ坐标加入存放顶点坐标的ArrayList
|
||||
alVertix.add(x); alVertix.add(y); alVertix.add(z);
|
||||
}
|
||||
}
|
||||
//索引
|
||||
for(int i=0;i<nRow;i++){
|
||||
for(int j=0;j<nCol;j++){
|
||||
int index=i*(nCol+1)+j;//当前索引
|
||||
//卷绕索引
|
||||
alFaceIndex.add(index+1);//下一列---1
|
||||
alFaceIndex.add(index+nCol+2);//下一行下一列---3
|
||||
alFaceIndex.add(index+nCol+1);//下一列---2
|
||||
|
||||
alFaceIndex.add(index+1);//下一列---1
|
||||
alFaceIndex.add(index+nCol+1);//下一列---2
|
||||
alFaceIndex.add(index);//当前---0
|
||||
}
|
||||
}
|
||||
//计算卷绕顶点
|
||||
float[] vertices=new float[vCount*3];
|
||||
vertices=VectorUtil.calVertices(alVertix, alFaceIndex);
|
||||
|
||||
//顶点坐标数据初始化
|
||||
ByteBuffer vbb = ByteBuffer.allocateDirect(vertices.length*4);//创建顶点坐标数据缓冲
|
||||
vbb.order(ByteOrder.nativeOrder());//设置字节顺序
|
||||
mVertexBuffer = vbb.asFloatBuffer();//转换为float型缓冲
|
||||
mVertexBuffer.put(vertices);//向缓冲区中放入顶点坐标数据
|
||||
mVertexBuffer.position(0);//设置缓冲区起始位置
|
||||
|
||||
//纹理
|
||||
ArrayList<Float> alST=new ArrayList<Float>();//原顶点列表（未卷绕）
|
||||
|
||||
float yMin=999999999;//y最小值
|
||||
float yMax=0;//y最大值
|
||||
for(BNPosition pos:alCurve){
|
||||
yMin=Math.min(yMin, pos.y);//y最小值
|
||||
yMax=Math.max(yMax, pos.y);//y最大值
|
||||
}
|
||||
for(int i=0;i<nRow+1;i++)
|
||||
{
|
||||
float y=alCurve.get(i).y;//当前y值
|
||||
float t=1-(y-yMin)/(yMax-yMin);//t坐标
|
||||
for(float angdeg=0;Math.ceil(angdeg)<360+angdegSpan;angdeg+=angdegSpan)//重复了一列纹理坐标，以索引的计算
|
||||
{
|
||||
float s=angdeg/360;//s坐标
|
||||
//将计算出来的ST坐标加入存放顶点坐标的ArrayList
|
||||
alST.add(s); alST.add(t);
|
||||
}
|
||||
}
|
||||
//计算卷绕后纹理坐标
|
||||
float[] textures=VectorUtil.calTextures(alST, alFaceIndex);
|
||||
ByteBuffer tbb = ByteBuffer.allocateDirect(textures.length*4);//创建顶点纹理数据缓冲
|
||||
tbb.order(ByteOrder.nativeOrder());//设置字节顺序
|
||||
mTexCoorBuffer = tbb.asFloatBuffer();//转换为float型缓冲
|
||||
mTexCoorBuffer.put(textures);//向缓冲区中放入顶点纹理数据
|
||||
mTexCoorBuffer.position(0);//设置缓冲区起始位置
|
||||
}
|
||||
|
||||
//自定义初始化着色器initShader方法
|
||||
public void initShader(MySurfaceView mv)
|
||||
{
|
||||
//加载顶点着色器的脚本内容
|
||||
mVertexShader=ShaderUtil.loadFromAssetsFile("vertex_tex.sh", mv.getResources());
|
||||
//加载片元着色器的脚本内容
|
||||
mFragmentShader=ShaderUtil.loadFromAssetsFile("frag_tex.sh", mv.getResources());
|
||||
//基于顶点着色器与片元着色器创建程序
|
||||
mProgram = createProgram(mVertexShader, mFragmentShader);
|
||||
//获取程序中顶点位置属性引用id
|
||||
maPositionHandle = GLES20.glGetAttribLocation(mProgram, "aPosition");
|
||||
//获取程序中顶点纹理坐标属性引用id
|
||||
maTexCoorHandle= GLES20.glGetAttribLocation(mProgram, "aTexCoor");
|
||||
//获取程序中总变换矩阵引用id
|
||||
muMVPMatrixHandle = GLES20.glGetUniformLocation(mProgram, "uMVPMatrix");
|
||||
}
|
||||
|
||||
public void drawSelf(int texId)
|
||||
{
|
||||
MatrixState.rotate(xAngle, 1, 0, 0);
|
||||
MatrixState.rotate(yAngle, 0, 1, 0);
|
||||
MatrixState.rotate(zAngle, 0, 0, 1);
|
||||
|
||||
//制定使用某套shader程序
|
||||
GLES20.glUseProgram(mProgram);
|
||||
|
||||
//将最终变换矩阵传入shader程序
|
||||
GLES20.glUniformMatrix4fv(muMVPMatrixHandle, 1, false, MatrixState.getFinalMatrix(), 0);
|
||||
|
||||
//传送顶点位置数据
|
||||
GLES20.glVertexAttribPointer
|
||||
(
|
||||
maPositionHandle,
|
||||
3,
|
||||
GLES20.GL_FLOAT,
|
||||
false,
|
||||
3*4,
|
||||
mVertexBuffer
|
||||
);
|
||||
//传送顶点纹理坐标数据
|
||||
GLES20.glVertexAttribPointer
|
||||
(
|
||||
maTexCoorHandle,
|
||||
2,
|
||||
GLES20.GL_FLOAT,
|
||||
false,
|
||||
2*4,
|
||||
mTexCoorBuffer
|
||||
);
|
||||
|
||||
//启用顶点位置数据
|
||||
GLES20.glEnableVertexAttribArray(maPositionHandle);
|
||||
//启用顶点纹理数据
|
||||
GLES20.glEnableVertexAttribArray(maTexCoorHandle);
|
||||
|
||||
//绑定纹理
|
||||
GLES20.glActiveTexture(GLES20.GL_TEXTURE0);
|
||||
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, texId);
|
||||
|
||||
//绘制纹理矩形
|
||||
GLES20.glDrawArrays(GLES20.GL_TRIANGLES, 0, vCount);
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,199 @@
|
||||
package com.bn.Sample8_7;
|
||||
|
||||
import static com.bn.Sample8_7.ShaderUtil.createProgram;
|
||||
|
||||
import java.nio.ByteBuffer;
|
||||
import java.nio.ByteOrder;
|
||||
import java.nio.FloatBuffer;
|
||||
import java.util.ArrayList;
|
||||
|
||||
import android.opengl.GLES20;
|
||||
|
||||
/*
|
||||
* 泰姬陵顶部组建4
|
||||
*/
|
||||
public class TopPart4 {
|
||||
int mProgram;//自定义渲染管线着色器程序id
|
||||
int muMVPMatrixHandle;//总变换矩阵引用
|
||||
int maPositionHandle; //顶点位置属性引用
|
||||
int maTexCoorHandle; //顶点纹理坐标属性引用
|
||||
|
||||
String mVertexShader;//顶点着色器代码脚本
|
||||
String mFragmentShader;//片元着色器代码脚本
|
||||
|
||||
FloatBuffer mVertexBuffer;//顶点坐标数据缓冲
|
||||
FloatBuffer mTexCoorBuffer;//顶点纹理坐标数据缓冲
|
||||
|
||||
int vCount=0;
|
||||
float xAngle=0;//绕x轴旋转的角度
|
||||
float yAngle=0;//绕y轴旋转的角度
|
||||
float zAngle=0;//绕z轴旋转的角度
|
||||
|
||||
float scale;
|
||||
|
||||
public TopPart4(MySurfaceView mv,float scale, int nCol ,int nRow)
|
||||
{
|
||||
this.scale=scale;
|
||||
//调用初始化顶点数据的initVertexData方法
|
||||
initVertexData(scale,nCol,nRow);
|
||||
//调用初始化着色器的intShader方法
|
||||
initShader(mv);
|
||||
}
|
||||
|
||||
//自定义的初始化顶点数据的方法
|
||||
public void initVertexData(float scale, int nCol ,int nRow //大小，列数，行数（行数要保证可以被1除尽）
|
||||
){
|
||||
//成员变量初始化
|
||||
float angdegSpan=360.0f/nCol;
|
||||
vCount=3*nCol*nRow*2;//顶点个数，共有nColumn*nRow*2个三角形，每个三角形都有三个顶点
|
||||
//坐标数据初始化
|
||||
ArrayList<Float> alVertix=new ArrayList<Float>();//原顶点列表（未卷绕）
|
||||
ArrayList<Integer> alFaceIndex=new ArrayList<Integer>();//组织成面的顶点的索引值列表（按逆时针卷绕）
|
||||
|
||||
//以下是贝赛尔曲线的实现代码
|
||||
BezierUtil.al.clear();//清空数据点列表
|
||||
|
||||
//加入数据点
|
||||
BezierUtil.al.add(new BNPosition(97, 35));
|
||||
BezierUtil.al.add(new BNPosition(98, 61));
|
||||
BezierUtil.al.add(new BNPosition(100, 92));
|
||||
BezierUtil.al.add(new BNPosition(75, 121));
|
||||
BezierUtil.al.add(new BNPosition(167, 104));
|
||||
BezierUtil.al.add(new BNPosition(81, 74));
|
||||
BezierUtil.al.add(new BNPosition(97, 119));
|
||||
BezierUtil.al.add(new BNPosition(97, 130));
|
||||
|
||||
|
||||
//通过数据点，获取贝赛尔曲线上的点的列表
|
||||
ArrayList<BNPosition> alCurve=BezierUtil.getBezierData(1.0f/nRow);
|
||||
//顶点
|
||||
for(int i=0;i<nRow+1;i++)
|
||||
{
|
||||
double r=alCurve.get(i).x*Constant.DATA_RATIO*scale;//当前圆的半径
|
||||
float y=alCurve.get(i).y*Constant.DATA_RATIO*scale;//当前y值
|
||||
for(float angdeg=0;Math.ceil(angdeg)<360+angdegSpan;angdeg+=angdegSpan)//重复了一列顶点，方便了索引的计算
|
||||
{
|
||||
double angrad=Math.toRadians(angdeg);//当前列弧度
|
||||
float x=(float) (-r*Math.sin(angrad));
|
||||
float z=(float) (-r*Math.cos(angrad));
|
||||
//将计算出来的XYZ坐标加入存放顶点坐标的ArrayList
|
||||
alVertix.add(x); alVertix.add(y); alVertix.add(z);
|
||||
}
|
||||
}
|
||||
//索引
|
||||
for(int i=0;i<nRow;i++){
|
||||
for(int j=0;j<nCol;j++){
|
||||
int index=i*(nCol+1)+j;//当前索引
|
||||
//卷绕索引
|
||||
alFaceIndex.add(index+1);//下一列---1
|
||||
alFaceIndex.add(index+nCol+2);//下一行下一列---3
|
||||
alFaceIndex.add(index+nCol+1);//下一列---2
|
||||
|
||||
alFaceIndex.add(index+1);//下一列---1
|
||||
alFaceIndex.add(index+nCol+1);//下一列---2
|
||||
alFaceIndex.add(index);//当前---0
|
||||
}
|
||||
}
|
||||
//计算卷绕顶点
|
||||
float[] vertices=new float[vCount*3];
|
||||
vertices=VectorUtil.calVertices(alVertix, alFaceIndex);
|
||||
|
||||
//顶点坐标数据初始化
|
||||
ByteBuffer vbb = ByteBuffer.allocateDirect(vertices.length*4);//创建顶点坐标数据缓冲
|
||||
vbb.order(ByteOrder.nativeOrder());//设置字节顺序
|
||||
mVertexBuffer = vbb.asFloatBuffer();//转换为float型缓冲
|
||||
mVertexBuffer.put(vertices);//向缓冲区中放入顶点坐标数据
|
||||
mVertexBuffer.position(0);//设置缓冲区起始位置
|
||||
|
||||
//纹理
|
||||
ArrayList<Float> alST=new ArrayList<Float>();//原顶点列表（未卷绕）
|
||||
|
||||
float yMin=999999999;//y最小值
|
||||
float yMax=0;//y最大值
|
||||
for(BNPosition pos:alCurve){
|
||||
yMin=Math.min(yMin, pos.y);//y最小值
|
||||
yMax=Math.max(yMax, pos.y);//y最大值
|
||||
}
|
||||
for(int i=0;i<nRow+1;i++)
|
||||
{
|
||||
float y=alCurve.get(i).y;//当前y值
|
||||
float t=1-(y-yMin)/(yMax-yMin);//t坐标
|
||||
for(float angdeg=0;Math.ceil(angdeg)<360+angdegSpan;angdeg+=angdegSpan)//重复了一列纹理坐标，以索引的计算
|
||||
{
|
||||
float s=angdeg/360;//s坐标
|
||||
//将计算出来的ST坐标加入存放顶点坐标的ArrayList
|
||||
alST.add(s); alST.add(t);
|
||||
}
|
||||
}
|
||||
//计算卷绕后纹理坐标
|
||||
float[] textures=VectorUtil.calTextures(alST, alFaceIndex);
|
||||
ByteBuffer tbb = ByteBuffer.allocateDirect(textures.length*4);//创建顶点纹理数据缓冲
|
||||
tbb.order(ByteOrder.nativeOrder());//设置字节顺序
|
||||
mTexCoorBuffer = tbb.asFloatBuffer();//转换为float型缓冲
|
||||
mTexCoorBuffer.put(textures);//向缓冲区中放入顶点纹理数据
|
||||
mTexCoorBuffer.position(0);//设置缓冲区起始位置
|
||||
}
|
||||
|
||||
//自定义初始化着色器initShader方法
|
||||
public void initShader(MySurfaceView mv)
|
||||
{
|
||||
//加载顶点着色器的脚本内容
|
||||
mVertexShader=ShaderUtil.loadFromAssetsFile("vertex_tex.sh", mv.getResources());
|
||||
//加载片元着色器的脚本内容
|
||||
mFragmentShader=ShaderUtil.loadFromAssetsFile("frag_tex.sh", mv.getResources());
|
||||
//基于顶点着色器与片元着色器创建程序
|
||||
mProgram = createProgram(mVertexShader, mFragmentShader);
|
||||
//获取程序中顶点位置属性引用id
|
||||
maPositionHandle = GLES20.glGetAttribLocation(mProgram, "aPosition");
|
||||
//获取程序中顶点纹理坐标属性引用id
|
||||
maTexCoorHandle= GLES20.glGetAttribLocation(mProgram, "aTexCoor");
|
||||
//获取程序中总变换矩阵引用id
|
||||
muMVPMatrixHandle = GLES20.glGetUniformLocation(mProgram, "uMVPMatrix");
|
||||
}
|
||||
|
||||
public void drawSelf(int texId)
|
||||
{
|
||||
MatrixState.rotate(xAngle, 1, 0, 0);
|
||||
MatrixState.rotate(yAngle, 0, 1, 0);
|
||||
MatrixState.rotate(zAngle, 0, 0, 1);
|
||||
|
||||
//制定使用某套shader程序
|
||||
GLES20.glUseProgram(mProgram);
|
||||
|
||||
//将最终变换矩阵传入shader程序
|
||||
GLES20.glUniformMatrix4fv(muMVPMatrixHandle, 1, false, MatrixState.getFinalMatrix(), 0);
|
||||
|
||||
//传送顶点位置数据
|
||||
GLES20.glVertexAttribPointer
|
||||
(
|
||||
maPositionHandle,
|
||||
3,
|
||||
GLES20.GL_FLOAT,
|
||||
false,
|
||||
3*4,
|
||||
mVertexBuffer
|
||||
);
|
||||
//传送顶点纹理坐标数据
|
||||
GLES20.glVertexAttribPointer
|
||||
(
|
||||
maTexCoorHandle,
|
||||
2,
|
||||
GLES20.GL_FLOAT,
|
||||
false,
|
||||
2*4,
|
||||
mTexCoorBuffer
|
||||
);
|
||||
|
||||
//启用顶点位置数据
|
||||
GLES20.glEnableVertexAttribArray(maPositionHandle);
|
||||
//启用顶点纹理数据
|
||||
GLES20.glEnableVertexAttribArray(maTexCoorHandle);
|
||||
|
||||
//绑定纹理
|
||||
GLES20.glActiveTexture(GLES20.GL_TEXTURE0);
|
||||
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, texId);
|
||||
|
||||
//绘制纹理矩形
|
||||
GLES20.glDrawArrays(GLES20.GL_TRIANGLES, 0, vCount);
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,79 @@
|
||||
package com.bn.Sample8_7;
|
||||
|
||||
/*
|
||||
* 绘制塔的类
|
||||
*/
|
||||
public class Tower {
|
||||
float scale;//塔的大小
|
||||
boolean texFlag;//是否绘制纹理的标志位
|
||||
|
||||
TowerPart1 tower1;//塔的第一部分
|
||||
TowerPart2 tower2;//塔中圆柱部分
|
||||
TowerPart3 tower3;//
|
||||
|
||||
float xAngle=0;//绕x轴旋转的角度
|
||||
float yAngle=0;//绕y轴旋转的角度
|
||||
float zAngle=0;//绕z轴旋转的角度
|
||||
|
||||
|
||||
Tower(MySurfaceView mv,float scale, int nCol ,int nRow){
|
||||
this.scale=scale;//大小赋值
|
||||
//创建对象
|
||||
tower1=new TowerPart1(mv,0.4f*scale,nCol,nRow);//穹顶的第一部分
|
||||
tower2=new TowerPart2(mv,0.35f*scale,nCol,nRow);//穹顶的第二部分
|
||||
tower3=new TowerPart3(mv,0.4f*scale,nCol,nRow);//穹顶的第二部分
|
||||
|
||||
}
|
||||
public void drawSelf(int texId)
|
||||
{
|
||||
MatrixState.rotate(xAngle, 1, 0, 0);
|
||||
MatrixState.rotate(yAngle, 0, 1, 0);
|
||||
MatrixState.rotate(zAngle, 0, 0, 1);
|
||||
|
||||
//塔的第一部分——穹顶
|
||||
MatrixState.pushMatrix();
|
||||
MatrixState.translate(0f, 3.0f*scale, 0f);
|
||||
tower1.drawSelf(texId);//穹顶的第一部分
|
||||
MatrixState.popMatrix();
|
||||
|
||||
//**************塔的第二部分——四根圆柱****************************************
|
||||
//四根圆柱
|
||||
MatrixState.pushMatrix();
|
||||
MatrixState.translate(0.62f*scale, 2.15f*scale, 0.62f*scale);
|
||||
tower2.drawSelf(texId);//穹顶的第一部分
|
||||
MatrixState.popMatrix();
|
||||
|
||||
MatrixState.pushMatrix();
|
||||
MatrixState.translate(-0.62f*scale, 2.15f*scale, 0.62f*scale);
|
||||
tower2.drawSelf(texId);//穹顶的第一部分
|
||||
MatrixState.popMatrix();
|
||||
|
||||
MatrixState.pushMatrix();
|
||||
MatrixState.translate(0.62f*scale, 2.15f*scale, -0.62f*scale);
|
||||
tower2.drawSelf(texId);//穹顶的第一部分
|
||||
MatrixState.popMatrix();
|
||||
|
||||
MatrixState.pushMatrix();
|
||||
MatrixState.translate(-0.62f*scale, 2.15f*scale, -0.62f*scale);
|
||||
tower2.drawSelf(texId);//穹顶的第一部分
|
||||
MatrixState.popMatrix();
|
||||
//**************塔的第二部分****************************************
|
||||
|
||||
//塔的第一部分
|
||||
MatrixState.pushMatrix();
|
||||
MatrixState.translate(0f, 0.7f*scale, 0f);
|
||||
tower3.drawSelf(texId);
|
||||
MatrixState.popMatrix();
|
||||
|
||||
MatrixState.pushMatrix();
|
||||
MatrixState.translate(0f, -1.4f*scale, 0f);
|
||||
tower3.drawSelf(texId);
|
||||
MatrixState.popMatrix();
|
||||
|
||||
MatrixState.pushMatrix();
|
||||
MatrixState.translate(0f, -3.55f*scale, 0f);
|
||||
tower3.drawSelf(texId);
|
||||
MatrixState.popMatrix();
|
||||
}
|
||||
|
||||
}
|
||||
@@ -0,0 +1,201 @@
|
||||
package com.bn.Sample8_7;
|
||||
|
||||
import static com.bn.Sample8_7.ShaderUtil.createProgram;
|
||||
|
||||
import java.nio.ByteBuffer;
|
||||
import java.nio.ByteOrder;
|
||||
import java.nio.FloatBuffer;
|
||||
import java.util.ArrayList;
|
||||
|
||||
import android.opengl.GLES20;
|
||||
|
||||
/*
|
||||
* 泰姬陵塔顶部组建1
|
||||
*/
|
||||
public class TowerPart1 {
|
||||
int mProgram;//自定义渲染管线着色器程序id
|
||||
int muMVPMatrixHandle;//总变换矩阵引用
|
||||
int maPositionHandle; //顶点位置属性引用
|
||||
int maTexCoorHandle; //顶点纹理坐标属性引用
|
||||
|
||||
String mVertexShader;//顶点着色器代码脚本
|
||||
String mFragmentShader;//片元着色器代码脚本
|
||||
|
||||
FloatBuffer mVertexBuffer;//顶点坐标数据缓冲
|
||||
FloatBuffer mTexCoorBuffer;//顶点纹理坐标数据缓冲
|
||||
|
||||
int vCount=0;
|
||||
float xAngle=0;//绕x轴旋转的角度
|
||||
float yAngle=0;//绕y轴旋转的角度
|
||||
float zAngle=0;//绕z轴旋转的角度
|
||||
|
||||
float scale;
|
||||
|
||||
public TowerPart1(MySurfaceView mv,float scale, int nCol ,int nRow)
|
||||
{
|
||||
this.scale=scale;
|
||||
//调用初始化顶点数据的initVertexData方法
|
||||
initVertexData(scale,nCol,nRow);
|
||||
//调用初始化着色器的intShader方法
|
||||
initShader(mv);
|
||||
}
|
||||
|
||||
//自定义的初始化顶点数据的方法
|
||||
public void initVertexData(float scale, int nCol ,int nRow //大小，列数，行数（行数要保证可以被1除尽）
|
||||
){
|
||||
//成员变量初始化
|
||||
float angdegSpan=360.0f/nCol;
|
||||
vCount=3*nCol*nRow*2;//顶点个数，共有nColumn*nRow*2个三角形，每个三角形都有三个顶点
|
||||
//坐标数据初始化
|
||||
ArrayList<Float> alVertix=new ArrayList<Float>();//原顶点列表（未卷绕）
|
||||
ArrayList<Integer> alFaceIndex=new ArrayList<Integer>();//组织成面的顶点的索引值列表（按逆时针卷绕）
|
||||
|
||||
//以下是贝赛尔曲线的实现代码
|
||||
BezierUtil.al.clear();//清空数据点列表
|
||||
|
||||
//加入数据点
|
||||
BezierUtil.al.add(new BNPosition(76, 91));
|
||||
BezierUtil.al.add(new BNPosition(168, 102));
|
||||
BezierUtil.al.add(new BNPosition(-69, 107));
|
||||
BezierUtil.al.add(new BNPosition(183, 74));
|
||||
BezierUtil.al.add(new BNPosition(143, 205));
|
||||
BezierUtil.al.add(new BNPosition(12, 179));
|
||||
BezierUtil.al.add(new BNPosition(-1, 220));
|
||||
BezierUtil.al.add(new BNPosition(36, 197));
|
||||
BezierUtil.al.add(new BNPosition(6, 165));
|
||||
BezierUtil.al.add(new BNPosition(0, 233));
|
||||
|
||||
|
||||
//通过数据点，获取贝赛尔曲线上的点的列表
|
||||
ArrayList<BNPosition> alCurve=BezierUtil.getBezierData(1.0f/nRow);
|
||||
//顶点
|
||||
for(int i=0;i<nRow+1;i++)
|
||||
{
|
||||
double r=alCurve.get(i).x*Constant.DATA_RATIO*scale;//当前圆的半径
|
||||
float y=alCurve.get(i).y*Constant.DATA_RATIO*scale;//当前y值
|
||||
for(float angdeg=0;Math.ceil(angdeg)<360+angdegSpan;angdeg+=angdegSpan)//重复了一列顶点，方便了索引的计算
|
||||
{
|
||||
double angrad=Math.toRadians(angdeg);//当前列弧度
|
||||
float x=(float) (-r*Math.sin(angrad));
|
||||
float z=(float) (-r*Math.cos(angrad));
|
||||
//将计算出来的XYZ坐标加入存放顶点坐标的ArrayList
|
||||
alVertix.add(x); alVertix.add(y); alVertix.add(z);
|
||||
}
|
||||
}
|
||||
//索引
|
||||
for(int i=0;i<nRow;i++){
|
||||
for(int j=0;j<nCol;j++){
|
||||
int index=i*(nCol+1)+j;//当前索引
|
||||
//卷绕索引
|
||||
alFaceIndex.add(index+1);//下一列---1
|
||||
alFaceIndex.add(index+nCol+2);//下一行下一列---3
|
||||
alFaceIndex.add(index+nCol+1);//下一列---2
|
||||
|
||||
alFaceIndex.add(index+1);//下一列---1
|
||||
alFaceIndex.add(index+nCol+1);//下一列---2
|
||||
alFaceIndex.add(index);//当前---0
|
||||
}
|
||||
}
|
||||
//计算卷绕顶点
|
||||
float[] vertices=new float[vCount*3];
|
||||
vertices=VectorUtil.calVertices(alVertix, alFaceIndex);
|
||||
|
||||
//顶点坐标数据初始化
|
||||
ByteBuffer vbb = ByteBuffer.allocateDirect(vertices.length*4);//创建顶点坐标数据缓冲
|
||||
vbb.order(ByteOrder.nativeOrder());//设置字节顺序
|
||||
mVertexBuffer = vbb.asFloatBuffer();//转换为float型缓冲
|
||||
mVertexBuffer.put(vertices);//向缓冲区中放入顶点坐标数据
|
||||
mVertexBuffer.position(0);//设置缓冲区起始位置
|
||||
|
||||
//纹理
|
||||
ArrayList<Float> alST=new ArrayList<Float>();//原顶点列表（未卷绕）
|
||||
|
||||
float yMin=999999999;//y最小值
|
||||
float yMax=0;//y最大值
|
||||
for(BNPosition pos:alCurve){
|
||||
yMin=Math.min(yMin, pos.y);//y最小值
|
||||
yMax=Math.max(yMax, pos.y);//y最大值
|
||||
}
|
||||
for(int i=0;i<nRow+1;i++)
|
||||
{
|
||||
float y=alCurve.get(i).y;//当前y值
|
||||
float t=1-(y-yMin)/(yMax-yMin);//t坐标
|
||||
for(float angdeg=0;Math.ceil(angdeg)<360+angdegSpan;angdeg+=angdegSpan)//重复了一列纹理坐标，以索引的计算
|
||||
{
|
||||
float s=angdeg/360;//s坐标
|
||||
//将计算出来的ST坐标加入存放顶点坐标的ArrayList
|
||||
alST.add(s); alST.add(t);
|
||||
}
|
||||
}
|
||||
//计算卷绕后纹理坐标
|
||||
float[] textures=VectorUtil.calTextures(alST, alFaceIndex);
|
||||
ByteBuffer tbb = ByteBuffer.allocateDirect(textures.length*4);//创建顶点纹理数据缓冲
|
||||
tbb.order(ByteOrder.nativeOrder());//设置字节顺序
|
||||
mTexCoorBuffer = tbb.asFloatBuffer();//转换为float型缓冲
|
||||
mTexCoorBuffer.put(textures);//向缓冲区中放入顶点纹理数据
|
||||
mTexCoorBuffer.position(0);//设置缓冲区起始位置
|
||||
}
|
||||
|
||||
//自定义初始化着色器initShader方法
|
||||
public void initShader(MySurfaceView mv)
|
||||
{
|
||||
//加载顶点着色器的脚本内容
|
||||
mVertexShader=ShaderUtil.loadFromAssetsFile("vertex_tex.sh", mv.getResources());
|
||||
//加载片元着色器的脚本内容
|
||||
mFragmentShader=ShaderUtil.loadFromAssetsFile("frag_tex.sh", mv.getResources());
|
||||
//基于顶点着色器与片元着色器创建程序
|
||||
mProgram = createProgram(mVertexShader, mFragmentShader);
|
||||
//获取程序中顶点位置属性引用id
|
||||
maPositionHandle = GLES20.glGetAttribLocation(mProgram, "aPosition");
|
||||
//获取程序中顶点纹理坐标属性引用id
|
||||
maTexCoorHandle= GLES20.glGetAttribLocation(mProgram, "aTexCoor");
|
||||
//获取程序中总变换矩阵引用id
|
||||
muMVPMatrixHandle = GLES20.glGetUniformLocation(mProgram, "uMVPMatrix");
|
||||
}
|
||||
|
||||
public void drawSelf(int texId)
|
||||
{
|
||||
MatrixState.rotate(xAngle, 1, 0, 0);
|
||||
MatrixState.rotate(yAngle, 0, 1, 0);
|
||||
MatrixState.rotate(zAngle, 0, 0, 1);
|
||||
|
||||
//制定使用某套shader程序
|
||||
GLES20.glUseProgram(mProgram);
|
||||
|
||||
//将最终变换矩阵传入shader程序
|
||||
GLES20.glUniformMatrix4fv(muMVPMatrixHandle, 1, false, MatrixState.getFinalMatrix(), 0);
|
||||
|
||||
//传送顶点位置数据
|
||||
GLES20.glVertexAttribPointer
|
||||
(
|
||||
maPositionHandle,
|
||||
3,
|
||||
GLES20.GL_FLOAT,
|
||||
false,
|
||||
3*4,
|
||||
mVertexBuffer
|
||||
);
|
||||
//传送顶点纹理坐标数据
|
||||
GLES20.glVertexAttribPointer
|
||||
(
|
||||
maTexCoorHandle,
|
||||
2,
|
||||
GLES20.GL_FLOAT,
|
||||
false,
|
||||
2*4,
|
||||
mTexCoorBuffer
|
||||
);
|
||||
|
||||
//启用顶点位置数据
|
||||
GLES20.glEnableVertexAttribArray(maPositionHandle);
|
||||
//启用顶点纹理数据
|
||||
GLES20.glEnableVertexAttribArray(maTexCoorHandle);
|
||||
|
||||
//绑定纹理
|
||||
GLES20.glActiveTexture(GLES20.GL_TEXTURE0);
|
||||
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, texId);
|
||||
|
||||
//绘制纹理矩形
|
||||
GLES20.glDrawArrays(GLES20.GL_TRIANGLES, 0, vCount);
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,193 @@
|
||||
package com.bn.Sample8_7;
|
||||
|
||||
import static com.bn.Sample8_7.ShaderUtil.createProgram;
|
||||
|
||||
import java.nio.ByteBuffer;
|
||||
import java.nio.ByteOrder;
|
||||
import java.nio.FloatBuffer;
|
||||
import java.util.ArrayList;
|
||||
|
||||
import android.opengl.GLES20;
|
||||
|
||||
/*
|
||||
* 泰姬陵顶部组建2
|
||||
*/
|
||||
public class TowerPart2 {
|
||||
int mProgram;//自定义渲染管线着色器程序id
|
||||
int muMVPMatrixHandle;//总变换矩阵引用
|
||||
int maPositionHandle; //顶点位置属性引用
|
||||
int maTexCoorHandle; //顶点纹理坐标属性引用
|
||||
|
||||
String mVertexShader;//顶点着色器代码脚本
|
||||
String mFragmentShader;//片元着色器代码脚本
|
||||
|
||||
FloatBuffer mVertexBuffer;//顶点坐标数据缓冲
|
||||
FloatBuffer mTexCoorBuffer;//顶点纹理坐标数据缓冲
|
||||
|
||||
int vCount=0;
|
||||
float xAngle=0;//绕x轴旋转的角度
|
||||
float yAngle=0;//绕y轴旋转的角度
|
||||
float zAngle=0;//绕z轴旋转的角度
|
||||
|
||||
float scale;
|
||||
|
||||
public TowerPart2(MySurfaceView mv,float scale, int nCol ,int nRow)
|
||||
{
|
||||
this.scale=scale;
|
||||
//调用初始化顶点数据的initVertexData方法
|
||||
initVertexData(scale,nCol,nRow);
|
||||
//调用初始化着色器的intShader方法
|
||||
initShader(mv);
|
||||
}
|
||||
|
||||
//自定义的初始化顶点数据的方法
|
||||
public void initVertexData(float scale, int nCol ,int nRow //大小，列数，行数（行数要保证可以被1除尽）
|
||||
){
|
||||
//成员变量初始化
|
||||
float angdegSpan=360.0f/nCol;
|
||||
vCount=3*nCol*nRow*2;//顶点个数，共有nColumn*nRow*2个三角形，每个三角形都有三个顶点
|
||||
//坐标数据初始化
|
||||
ArrayList<Float> alVertix=new ArrayList<Float>();//原顶点列表（未卷绕）
|
||||
ArrayList<Integer> alFaceIndex=new ArrayList<Integer>();//组织成面的顶点的索引值列表（按逆时针卷绕）
|
||||
|
||||
//以下是贝赛尔曲线的实现代码
|
||||
BezierUtil.al.clear();//清空数据点列表
|
||||
|
||||
//加入数据点
|
||||
BezierUtil.al.add(new BNPosition(22, 94));
|
||||
BezierUtil.al.add(new BNPosition(22, 207));
|
||||
|
||||
|
||||
//通过数据点，获取贝赛尔曲线上的点的列表
|
||||
ArrayList<BNPosition> alCurve=BezierUtil.getBezierData(1.0f/nRow);
|
||||
//顶点
|
||||
for(int i=0;i<nRow+1;i++)
|
||||
{
|
||||
double r=alCurve.get(i).x*Constant.DATA_RATIO*scale;//当前圆的半径
|
||||
float y=alCurve.get(i).y*Constant.DATA_RATIO*scale;//当前y值
|
||||
for(float angdeg=0;Math.ceil(angdeg)<360+angdegSpan;angdeg+=angdegSpan)//重复了一列顶点，方便了索引的计算
|
||||
{
|
||||
double angrad=Math.toRadians(angdeg);//当前列弧度
|
||||
float x=(float) (-r*Math.sin(angrad));
|
||||
float z=(float) (-r*Math.cos(angrad));
|
||||
//将计算出来的XYZ坐标加入存放顶点坐标的ArrayList
|
||||
alVertix.add(x); alVertix.add(y); alVertix.add(z);
|
||||
}
|
||||
}
|
||||
//索引
|
||||
for(int i=0;i<nRow;i++){
|
||||
for(int j=0;j<nCol;j++){
|
||||
int index=i*(nCol+1)+j;//当前索引
|
||||
//卷绕索引
|
||||
alFaceIndex.add(index+1);//下一列---1
|
||||
alFaceIndex.add(index+nCol+2);//下一行下一列---3
|
||||
alFaceIndex.add(index+nCol+1);//下一列---2
|
||||
|
||||
alFaceIndex.add(index+1);//下一列---1
|
||||
alFaceIndex.add(index+nCol+1);//下一列---2
|
||||
alFaceIndex.add(index);//当前---0
|
||||
}
|
||||
}
|
||||
//计算卷绕顶点
|
||||
float[] vertices=new float[vCount*3];
|
||||
vertices=VectorUtil.calVertices(alVertix, alFaceIndex);
|
||||
|
||||
//顶点坐标数据初始化
|
||||
ByteBuffer vbb = ByteBuffer.allocateDirect(vertices.length*4);//创建顶点坐标数据缓冲
|
||||
vbb.order(ByteOrder.nativeOrder());//设置字节顺序
|
||||
mVertexBuffer = vbb.asFloatBuffer();//转换为float型缓冲
|
||||
mVertexBuffer.put(vertices);//向缓冲区中放入顶点坐标数据
|
||||
mVertexBuffer.position(0);//设置缓冲区起始位置
|
||||
|
||||
//纹理
|
||||
ArrayList<Float> alST=new ArrayList<Float>();//原顶点列表（未卷绕）
|
||||
|
||||
float yMin=999999999;//y最小值
|
||||
float yMax=0;//y最大值
|
||||
for(BNPosition pos:alCurve){
|
||||
yMin=Math.min(yMin, pos.y);//y最小值
|
||||
yMax=Math.max(yMax, pos.y);//y最大值
|
||||
}
|
||||
for(int i=0;i<nRow+1;i++)
|
||||
{
|
||||
float y=alCurve.get(i).y;//当前y值
|
||||
float t=1-(y-yMin)/(yMax-yMin);//t坐标
|
||||
for(float angdeg=0;Math.ceil(angdeg)<360+angdegSpan;angdeg+=angdegSpan)//重复了一列纹理坐标，以索引的计算
|
||||
{
|
||||
float s=angdeg/360;//s坐标
|
||||
//将计算出来的ST坐标加入存放顶点坐标的ArrayList
|
||||
alST.add(s); alST.add(t);
|
||||
}
|
||||
}
|
||||
//计算卷绕后纹理坐标
|
||||
float[] textures=VectorUtil.calTextures(alST, alFaceIndex);
|
||||
ByteBuffer tbb = ByteBuffer.allocateDirect(textures.length*4);//创建顶点纹理数据缓冲
|
||||
tbb.order(ByteOrder.nativeOrder());//设置字节顺序
|
||||
mTexCoorBuffer = tbb.asFloatBuffer();//转换为float型缓冲
|
||||
mTexCoorBuffer.put(textures);//向缓冲区中放入顶点纹理数据
|
||||
mTexCoorBuffer.position(0);//设置缓冲区起始位置
|
||||
}
|
||||
|
||||
//自定义初始化着色器initShader方法
|
||||
public void initShader(MySurfaceView mv)
|
||||
{
|
||||
//加载顶点着色器的脚本内容
|
||||
mVertexShader=ShaderUtil.loadFromAssetsFile("vertex_tex.sh", mv.getResources());
|
||||
//加载片元着色器的脚本内容
|
||||
mFragmentShader=ShaderUtil.loadFromAssetsFile("frag_tex.sh", mv.getResources());
|
||||
//基于顶点着色器与片元着色器创建程序
|
||||
mProgram = createProgram(mVertexShader, mFragmentShader);
|
||||
//获取程序中顶点位置属性引用id
|
||||
maPositionHandle = GLES20.glGetAttribLocation(mProgram, "aPosition");
|
||||
//获取程序中顶点纹理坐标属性引用id
|
||||
maTexCoorHandle= GLES20.glGetAttribLocation(mProgram, "aTexCoor");
|
||||
//获取程序中总变换矩阵引用id
|
||||
muMVPMatrixHandle = GLES20.glGetUniformLocation(mProgram, "uMVPMatrix");
|
||||
}
|
||||
|
||||
public void drawSelf(int texId)
|
||||
{
|
||||
MatrixState.rotate(xAngle, 1, 0, 0);
|
||||
MatrixState.rotate(yAngle, 0, 1, 0);
|
||||
MatrixState.rotate(zAngle, 0, 0, 1);
|
||||
|
||||
//制定使用某套shader程序
|
||||
GLES20.glUseProgram(mProgram);
|
||||
|
||||
//将最终变换矩阵传入shader程序
|
||||
GLES20.glUniformMatrix4fv(muMVPMatrixHandle, 1, false, MatrixState.getFinalMatrix(), 0);
|
||||
|
||||
//传送顶点位置数据
|
||||
GLES20.glVertexAttribPointer
|
||||
(
|
||||
maPositionHandle,
|
||||
3,
|
||||
GLES20.GL_FLOAT,
|
||||
false,
|
||||
3*4,
|
||||
mVertexBuffer
|
||||
);
|
||||
//传送顶点纹理坐标数据
|
||||
GLES20.glVertexAttribPointer
|
||||
(
|
||||
maTexCoorHandle,
|
||||
2,
|
||||
GLES20.GL_FLOAT,
|
||||
false,
|
||||
2*4,
|
||||
mTexCoorBuffer
|
||||
);
|
||||
|
||||
//启用顶点位置数据
|
||||
GLES20.glEnableVertexAttribArray(maPositionHandle);
|
||||
//启用顶点纹理数据
|
||||
GLES20.glEnableVertexAttribArray(maTexCoorHandle);
|
||||
|
||||
//绑定纹理
|
||||
GLES20.glActiveTexture(GLES20.GL_TEXTURE0);
|
||||
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, texId);
|
||||
|
||||
//绘制纹理矩形
|
||||
GLES20.glDrawArrays(GLES20.GL_TRIANGLES, 0, vCount);
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,200 @@
|
||||
package com.bn.Sample8_7;
|
||||
|
||||
import static com.bn.Sample8_7.ShaderUtil.createProgram;
|
||||
|
||||
import java.nio.ByteBuffer;
|
||||
import java.nio.ByteOrder;
|
||||
import java.nio.FloatBuffer;
|
||||
import java.util.ArrayList;
|
||||
|
||||
import android.opengl.GLES20;
|
||||
|
||||
/*
|
||||
* 泰姬陵顶部组建3
|
||||
*/
|
||||
public class TowerPart3 {
|
||||
int mProgram;//自定义渲染管线着色器程序id
|
||||
int muMVPMatrixHandle;//总变换矩阵引用
|
||||
int maPositionHandle; //顶点位置属性引用
|
||||
int maTexCoorHandle; //顶点纹理坐标属性引用
|
||||
|
||||
String mVertexShader;//顶点着色器代码脚本
|
||||
String mFragmentShader;//片元着色器代码脚本
|
||||
|
||||
FloatBuffer mVertexBuffer;//顶点坐标数据缓冲
|
||||
FloatBuffer mTexCoorBuffer;//顶点纹理坐标数据缓冲
|
||||
|
||||
int vCount=0;
|
||||
float xAngle=0;//绕x轴旋转的角度
|
||||
float yAngle=0;//绕y轴旋转的角度
|
||||
float zAngle=0;//绕z轴旋转的角度
|
||||
|
||||
float scale;
|
||||
|
||||
public TowerPart3(MySurfaceView mv,float scale, int nCol ,int nRow)
|
||||
{
|
||||
this.scale=scale;
|
||||
//调用初始化顶点数据的initVertexData方法
|
||||
initVertexData(scale,nCol,nRow);
|
||||
//调用初始化着色器的intShader方法
|
||||
initShader(mv);
|
||||
}
|
||||
|
||||
//自定义的初始化顶点数据的方法
|
||||
public void initVertexData(float scale, int nCol ,int nRow //大小，列数，行数（行数要保证可以被1除尽）
|
||||
){
|
||||
//成员变量初始化
|
||||
float angdegSpan=360.0f/nCol;
|
||||
vCount=3*nCol*nRow*2;//顶点个数，共有nColumn*nRow*2个三角形，每个三角形都有三个顶点
|
||||
//坐标数据初始化
|
||||
ArrayList<Float> alVertix=new ArrayList<Float>();//原顶点列表（未卷绕）
|
||||
ArrayList<Integer> alFaceIndex=new ArrayList<Integer>();//组织成面的顶点的索引值列表（按逆时针卷绕）
|
||||
|
||||
//以下是贝赛尔曲线的实现代码
|
||||
BezierUtil.al.clear();//清空数据点列表
|
||||
|
||||
//加入数据点
|
||||
BezierUtil.al.add(new BNPosition(87, 22));
|
||||
BezierUtil.al.add(new BNPosition(83, 229));
|
||||
BezierUtil.al.add(new BNPosition(77, 226));
|
||||
BezierUtil.al.add(new BNPosition(72, 205));
|
||||
BezierUtil.al.add(new BNPosition(75, 233));
|
||||
BezierUtil.al.add(new BNPosition(137, 240));
|
||||
BezierUtil.al.add(new BNPosition(94, 212));
|
||||
BezierUtil.al.add(new BNPosition(65, 248));
|
||||
BezierUtil.al.add(new BNPosition(78, 245));
|
||||
|
||||
|
||||
//通过数据点，获取贝赛尔曲线上的点的列表
|
||||
ArrayList<BNPosition> alCurve=BezierUtil.getBezierData(1.0f/nRow);
|
||||
//顶点
|
||||
for(int i=0;i<nRow+1;i++)
|
||||
{
|
||||
double r=alCurve.get(i).x*Constant.DATA_RATIO*scale;//当前圆的半径
|
||||
float y=alCurve.get(i).y*Constant.DATA_RATIO*scale;//当前y值
|
||||
for(float angdeg=0;Math.ceil(angdeg)<360+angdegSpan;angdeg+=angdegSpan)//重复了一列顶点，方便了索引的计算
|
||||
{
|
||||
double angrad=Math.toRadians(angdeg);//当前列弧度
|
||||
float x=(float) (-r*Math.sin(angrad));
|
||||
float z=(float) (-r*Math.cos(angrad));
|
||||
//将计算出来的XYZ坐标加入存放顶点坐标的ArrayList
|
||||
alVertix.add(x); alVertix.add(y); alVertix.add(z);
|
||||
}
|
||||
}
|
||||
//索引
|
||||
for(int i=0;i<nRow;i++){
|
||||
for(int j=0;j<nCol;j++){
|
||||
int index=i*(nCol+1)+j;//当前索引
|
||||
//卷绕索引
|
||||
alFaceIndex.add(index+1);//下一列---1
|
||||
alFaceIndex.add(index+nCol+2);//下一行下一列---3
|
||||
alFaceIndex.add(index+nCol+1);//下一列---2
|
||||
|
||||
alFaceIndex.add(index+1);//下一列---1
|
||||
alFaceIndex.add(index+nCol+1);//下一列---2
|
||||
alFaceIndex.add(index);//当前---0
|
||||
}
|
||||
}
|
||||
//计算卷绕顶点
|
||||
float[] vertices=new float[vCount*3];
|
||||
vertices=VectorUtil.calVertices(alVertix, alFaceIndex);
|
||||
|
||||
//顶点坐标数据初始化
|
||||
ByteBuffer vbb = ByteBuffer.allocateDirect(vertices.length*4);//创建顶点坐标数据缓冲
|
||||
vbb.order(ByteOrder.nativeOrder());//设置字节顺序
|
||||
mVertexBuffer = vbb.asFloatBuffer();//转换为float型缓冲
|
||||
mVertexBuffer.put(vertices);//向缓冲区中放入顶点坐标数据
|
||||
mVertexBuffer.position(0);//设置缓冲区起始位置
|
||||
|
||||
//纹理
|
||||
ArrayList<Float> alST=new ArrayList<Float>();//原顶点列表（未卷绕）
|
||||
|
||||
float yMin=999999999;//y最小值
|
||||
float yMax=0;//y最大值
|
||||
for(BNPosition pos:alCurve){
|
||||
yMin=Math.min(yMin, pos.y);//y最小值
|
||||
yMax=Math.max(yMax, pos.y);//y最大值
|
||||
}
|
||||
for(int i=0;i<nRow+1;i++)
|
||||
{
|
||||
float y=alCurve.get(i).y;//当前y值
|
||||
float t=1-(y-yMin)/(yMax-yMin);//t坐标
|
||||
for(float angdeg=0;Math.ceil(angdeg)<360+angdegSpan;angdeg+=angdegSpan)//重复了一列纹理坐标，以索引的计算
|
||||
{
|
||||
float s=angdeg/360;//s坐标
|
||||
//将计算出来的ST坐标加入存放顶点坐标的ArrayList
|
||||
alST.add(s); alST.add(t);
|
||||
}
|
||||
}
|
||||
//计算卷绕后纹理坐标
|
||||
float[] textures=VectorUtil.calTextures(alST, alFaceIndex);
|
||||
ByteBuffer tbb = ByteBuffer.allocateDirect(textures.length*4);//创建顶点纹理数据缓冲
|
||||
tbb.order(ByteOrder.nativeOrder());//设置字节顺序
|
||||
mTexCoorBuffer = tbb.asFloatBuffer();//转换为float型缓冲
|
||||
mTexCoorBuffer.put(textures);//向缓冲区中放入顶点纹理数据
|
||||
mTexCoorBuffer.position(0);//设置缓冲区起始位置
|
||||
}
|
||||
|
||||
//自定义初始化着色器initShader方法
|
||||
public void initShader(MySurfaceView mv)
|
||||
{
|
||||
//加载顶点着色器的脚本内容
|
||||
mVertexShader=ShaderUtil.loadFromAssetsFile("vertex_tex.sh", mv.getResources());
|
||||
//加载片元着色器的脚本内容
|
||||
mFragmentShader=ShaderUtil.loadFromAssetsFile("frag_tex.sh", mv.getResources());
|
||||
//基于顶点着色器与片元着色器创建程序
|
||||
mProgram = createProgram(mVertexShader, mFragmentShader);
|
||||
//获取程序中顶点位置属性引用id
|
||||
maPositionHandle = GLES20.glGetAttribLocation(mProgram, "aPosition");
|
||||
//获取程序中顶点纹理坐标属性引用id
|
||||
maTexCoorHandle= GLES20.glGetAttribLocation(mProgram, "aTexCoor");
|
||||
//获取程序中总变换矩阵引用id
|
||||
muMVPMatrixHandle = GLES20.glGetUniformLocation(mProgram, "uMVPMatrix");
|
||||
}
|
||||
|
||||
public void drawSelf(int texId)
|
||||
{
|
||||
MatrixState.rotate(xAngle, 1, 0, 0);
|
||||
MatrixState.rotate(yAngle, 0, 1, 0);
|
||||
MatrixState.rotate(zAngle, 0, 0, 1);
|
||||
|
||||
//制定使用某套shader程序
|
||||
GLES20.glUseProgram(mProgram);
|
||||
|
||||
//将最终变换矩阵传入shader程序
|
||||
GLES20.glUniformMatrix4fv(muMVPMatrixHandle, 1, false, MatrixState.getFinalMatrix(), 0);
|
||||
|
||||
//传送顶点位置数据
|
||||
GLES20.glVertexAttribPointer
|
||||
(
|
||||
maPositionHandle,
|
||||
3,
|
||||
GLES20.GL_FLOAT,
|
||||
false,
|
||||
3*4,
|
||||
mVertexBuffer
|
||||
);
|
||||
//传送顶点纹理坐标数据
|
||||
GLES20.glVertexAttribPointer
|
||||
(
|
||||
maTexCoorHandle,
|
||||
2,
|
||||
GLES20.GL_FLOAT,
|
||||
false,
|
||||
2*4,
|
||||
mTexCoorBuffer
|
||||
);
|
||||
|
||||
//启用顶点位置数据
|
||||
GLES20.glEnableVertexAttribArray(maPositionHandle);
|
||||
//启用顶点纹理数据
|
||||
GLES20.glEnableVertexAttribArray(maTexCoorHandle);
|
||||
|
||||
//绑定纹理
|
||||
GLES20.glActiveTexture(GLES20.GL_TEXTURE0);
|
||||
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, texId);
|
||||
|
||||
//绘制纹理矩形
|
||||
GLES20.glDrawArrays(GLES20.GL_TRIANGLES, 0, vCount);
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,64 @@
|
||||
package com.bn.Sample8_7;
|
||||
|
||||
/*
|
||||
* 绘制塔顶的类
|
||||
*/
|
||||
public class TowerTop {
|
||||
float scale;//塔的大小
|
||||
|
||||
TowerPart1 tower1;//塔的第一部分
|
||||
TowerPart2 tower2;//塔中圆柱部分
|
||||
TowerPart3 tower3;//
|
||||
|
||||
|
||||
float xAngle=0;//绕x轴旋转的角度
|
||||
float yAngle=0;//绕y轴旋转的角度
|
||||
float zAngle=0;//绕z轴旋转的角度
|
||||
|
||||
TowerTop(MySurfaceView mv,float scale, int nCol ,int nRow)
|
||||
{
|
||||
this.scale=scale;//茶壶大小赋值
|
||||
|
||||
//创建对象
|
||||
tower1=new TowerPart1(mv,0.4f*scale,20,40);//穹顶的第一部分
|
||||
tower2=new TowerPart2(mv,0.35f*scale,20,40);//穹顶的第二部分
|
||||
|
||||
}
|
||||
public void drawSelf(int texId)
|
||||
{
|
||||
MatrixState.rotate(xAngle, 1, 0, 0);
|
||||
MatrixState.rotate(yAngle, 0, 1, 0);
|
||||
MatrixState.rotate(zAngle, 0, 0, 1);
|
||||
|
||||
|
||||
//塔的第一部分
|
||||
MatrixState.pushMatrix();
|
||||
MatrixState.translate(0f, 3.0f*scale, 0f);
|
||||
tower1.drawSelf(texId);//穹顶的第一部分
|
||||
MatrixState.popMatrix();
|
||||
|
||||
//**************塔的第二部分****************************************
|
||||
//四根圆柱
|
||||
MatrixState.pushMatrix();
|
||||
MatrixState.translate(0.62f*scale, 2.15f*scale, 0.62f*scale);
|
||||
tower2.drawSelf(texId);//穹顶的第一部分
|
||||
MatrixState.popMatrix();
|
||||
|
||||
MatrixState.pushMatrix();
|
||||
MatrixState.translate(-0.62f*scale, 2.15f*scale, 0.62f*scale);
|
||||
tower2.drawSelf(texId);//穹顶的第一部分
|
||||
MatrixState.popMatrix();
|
||||
|
||||
MatrixState.pushMatrix();
|
||||
MatrixState.translate(0.62f*scale, 2.15f*scale, -0.62f*scale);
|
||||
tower2.drawSelf(texId);//穹顶的第一部分
|
||||
MatrixState.popMatrix();
|
||||
|
||||
MatrixState.pushMatrix();
|
||||
MatrixState.translate(-0.62f*scale, 2.15f*scale, -0.62f*scale);
|
||||
tower2.drawSelf(texId);//穹顶的第一部分
|
||||
MatrixState.popMatrix();
|
||||
//**************塔的第二部分***************************************
|
||||
}
|
||||
|
||||
}
|
||||
@@ -0,0 +1,41 @@
|
||||
package com.bn.Sample8_7;
|
||||
|
||||
import java.util.ArrayList;
|
||||
|
||||
//三维坐标系中法向量的工具类
|
||||
public class VectorUtil {
|
||||
|
||||
//根据原纹理坐标和索引，计算卷绕后的纹理的方法
|
||||
public static float[] calTextures(
|
||||
ArrayList<Float> alST,//原纹理坐标列表（未卷绕）
|
||||
ArrayList<Integer> alTexIndex//组织成面的纹理坐标的索引值列表（按逆时针卷绕）
|
||||
)
|
||||
{
|
||||
float[] textures=new float[alTexIndex.size()*2];
|
||||
//生成顶点的数组
|
||||
int stCount=0;
|
||||
for(int i:alTexIndex){
|
||||
textures[stCount++]=alST.get(2*i);
|
||||
textures[stCount++]=alST.get(2*i+1);
|
||||
}
|
||||
return textures;
|
||||
}
|
||||
|
||||
public static float[] calVertices(
|
||||
ArrayList<Float> alv,//原顶点列表（未卷绕）
|
||||
ArrayList<Integer> alFaceIndex//组织成面的顶点的索引值列表（按逆时针卷绕）
|
||||
)
|
||||
{
|
||||
float[] vertices=new float[alFaceIndex.size()*3];
|
||||
//生成顶点的数组
|
||||
int vCount=0;
|
||||
for(int i:alFaceIndex){
|
||||
vertices[vCount++]=alv.get(3*i);
|
||||
vertices[vCount++]=alv.get(3*i+1);
|
||||
vertices[vCount++]=alv.get(3*i+2);
|
||||
}
|
||||
return vertices;
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
Reference in New Issue
Block a user