xiaoyan159/vtm
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

GLMatrix: add batch projection

Browse Source
This commit is contained in:
Hannes Janetzek 2014-06-10 19:30:36 +02:00
parent 9d078142aa
commit 480d639def
1 changed files with 32 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
vtm/src/org/oscim/renderer/GLMatrix.java
View File

@ -83,6 +83,30 @@ public class GLMatrix {
prj(pointer, vec3); prj(pointer, vec3);
} }
/**
* Project Vectors with Matrix
*
* @param vec3 Vector to project
*/
public void prj3D(float[] vec3, int start, int cnt) {
if (vec3 == null || vec3.length / (start + cnt) < 1)
throw new IllegalArgumentException(INVALID_INPUT);
prj3D(pointer, vec3, start, cnt);
}
/**
* Project Vectors with Matrix
*
* @param vec2 Vector to project
*/
public void prj2D(float[] vec2, int start, int cnt) {
if (vec2 == null || vec2.length % 2 == 1)
throw new IllegalArgumentException(INVALID_INPUT);
prj2D(pointer, vec2, start, cnt);
}
/** /**
* Multiply rhs onto Matrix. * Multiply rhs onto Matrix.
* *
@ -106,8 +130,8 @@ public class GLMatrix {
* *
* This matrix MUST be different from lhs and rhs! * This matrix MUST be different from lhs and rhs!
* *
* As you know, when combining matrices for vector projection * when combining matrices for vector projection this
* this has the same effect first as applying rhs then lhs. * has the same effect first as applying rhs then lhs.
* *
* @param lhs left hand side * @param lhs left hand side
* @param rhs right hand side * @param rhs right hand side
@ -215,8 +239,7 @@ public class GLMatrix {
delete(pointer); delete(pointer);
} }
/* /* Copyright (C) 2007 The Android Open Source Project
* Copyright (C) 2007 The Android Open Source Project
* *
* Licensed under the Apache License, Version 2.0 (the "License"); * Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License. * you may not use this file except in compliance with the License.
@ -228,8 +251,7 @@ public class GLMatrix {
* distributed under the License is distributed on an "AS IS" BASIS, * distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and * See the License for the specific language governing permissions and
* limitations under the License. * limitations under the License. */
*/
/** /**
* Define a projection matrix in terms of six clip planes * Define a projection matrix in terms of six clip planes
@ -439,6 +461,10 @@ public class GLMatrix {
private native static void prj(long self, float[] vec3); private native static void prj(long self, float[] vec3);
private native static void prj3D(long self, float[] vec3, int start, int cnt);
private native static void prj2D(long self, float[] vec2, int start, int cnt);
private native static void setRotation(long self, float a, float x, float y, float z); private native static void setRotation(long self, float a, float x, float y, float z);
private native static void setScale(long self, float x, float y, float z); private native static void setScale(long self, float x, float y, float z);