Location texture renderer improvements #547
This commit is contained in:
Emux
@@ -8,6 +8,7 @@
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- vtm-mvt module with MVT tile decoder [#481](https://github.com/mapsforge/vtm/pull/481)
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- Nextzen MVT / GeoJSON vector tiles [#498](https://github.com/mapsforge/vtm/issues/498)
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- OpenMapTiles MVT vector tiles [#482](https://github.com/mapsforge/vtm/issues/482)
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- Location texture renderer [#547](https://github.com/mapsforge/vtm/issues/547)
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- Render themes: symbols on lines [#495](https://github.com/mapsforge/vtm/issues/495)
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- Render themes: styles improvements [#479](https://github.com/mapsforge/vtm/pull/479)
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- Internal render themes improvements [#488](https://github.com/mapsforge/vtm/pull/488)
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@@ -29,6 +29,7 @@ import org.oscim.layers.LocationTextureLayer;
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import org.oscim.renderer.atlas.TextureAtlas;
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import org.oscim.renderer.atlas.TextureRegion;
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import org.oscim.renderer.bucket.TextureItem;
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import org.oscim.utils.IOUtils;
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import java.io.IOException;
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import java.io.InputStream;
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@@ -42,28 +43,31 @@ public class LocationTextureActivity extends BitmapTileActivity implements Locat
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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//initial Android locationManager
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locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
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//load a Bitmap/Svg from resources. (North/0° are on top
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InputStream is = getResources().openRawResource(R.raw.arrow);
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// load a Bitmap/SVG from resources
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InputStream is = null;
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Bitmap bmp = null;
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try {
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bmp = CanvasAdapter.decodeSvgBitmap(is, 200, 200, 100);
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is = getResources().openRawResource(R.raw.arrow);
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bmp = CanvasAdapter.decodeSvgBitmap(is, 128, 128, 100);
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} catch (IOException e) {
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e.printStackTrace();
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} finally {
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IOUtils.closeQuietly(is);
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}
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//create TextureRegion from Bitmap
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// create TextureRegion from Bitmap
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TextureRegion textureRegion = new TextureRegion(new TextureItem(bmp), new TextureAtlas.Rect(0, 0, bmp.getWidth(), bmp.getHeight()));
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//create LocationTexturLayer with created/loaded TextureRegion
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// create LocationTextureLayer with created/loaded TextureRegion
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locationLayer = new LocationTextureLayer(mMap, textureRegion);
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// you can set the Color of Accuracy circle (Color.BLUE is default)
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locationLayer.setAccuracyColor(Color.get(50, 50, 255));
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// set color of accuracy circle (Color.BLUE is default)
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locationLayer.locationRenderer.setAccuracyColor(Color.get(50, 50, 255));
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// you can set the Color of Indicator circle (Color.RED is default)
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locationLayer.setIndicatorColor(Color.MAGENTA);
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// set color of indicator circle (Color.RED is default)
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locationLayer.locationRenderer.setIndicatorColor(Color.MAGENTA);
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locationLayer.setEnabled(false);
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mMap.layers().add(locationLayer);
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@@ -72,6 +76,7 @@ public class LocationTextureActivity extends BitmapTileActivity implements Locat
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@Override
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protected void onResume() {
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super.onResume();
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enableAvailableProviders();
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}
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@@ -1,5 +1,6 @@
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/*
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* Copyright 2017-2018 Longri
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* Copyright 2018 devemux86
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*
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* This program is free software: you can redistribute it and/or modify it under the
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* terms of the GNU Lesser General Public License as published by the Free Software
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@@ -14,349 +15,28 @@
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*/
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package org.oscim.layers;
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import org.oscim.backend.CanvasAdapter;
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import org.oscim.backend.GL;
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import org.oscim.backend.canvas.Color;
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import org.oscim.core.Box;
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import org.oscim.core.MercatorProjection;
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import org.oscim.core.Point;
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import org.oscim.core.PointF;
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import org.oscim.core.Tile;
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import org.oscim.map.Map;
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import org.oscim.renderer.BucketRenderer;
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import org.oscim.renderer.GLShader;
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import org.oscim.renderer.GLState;
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import org.oscim.renderer.GLUtils;
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import org.oscim.renderer.GLViewport;
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import org.oscim.renderer.MapRenderer;
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import org.oscim.renderer.LocationTextureRenderer;
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import org.oscim.renderer.atlas.TextureRegion;
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import org.oscim.renderer.bucket.SymbolBucket;
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import org.oscim.renderer.bucket.SymbolItem;
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import org.oscim.utils.FastMath;
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import org.oscim.utils.geom.GeometryUtils;
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import org.oscim.utils.math.Interpolation;
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import java.util.Locale;
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import static org.oscim.backend.GLAdapter.gl;
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public class LocationTextureLayer extends Layer {
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private static final PointF CENTER_OFFSET = new PointF(0.5f, 0.5f);
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private static final long ANIM_RATE = 50;
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private static final long INTERVAL = 2000;
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private static final float CIRCLE_SIZE = 30;
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private static final int SHOW_ACCURACY_ZOOM = 13;
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private static final boolean IS_MAC = System.getProperty("os.name").toLowerCase(Locale.ENGLISH).contains("mac");
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private final static String V_SHADER = (""
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+ "precision highp float;"
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+ "uniform mat4 u_mvp;"
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+ "uniform float u_phase;"
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+ "uniform float u_scale;"
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+ "attribute vec2 a_pos;"
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+ "varying vec2 v_tex;"
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+ "void main() {"
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+ " gl_Position = u_mvp * vec4(a_pos * u_scale * u_phase, 0.0, 1.0);"
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+ " v_tex = a_pos;"
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+ "}").replace("precision highp float;", IS_MAC ? "" : "precision highp float;");
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// only circle without direction
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private static final String F_SHADER = (""
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+ "precision highp float;"
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+ "varying vec2 v_tex;"
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+ "uniform float u_scale;"
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+ "uniform float u_phase;"
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+ "uniform vec4 u_fill;"
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+ "void main() {"
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+ " float len = 1.0 - length(v_tex);"
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/// outer ring
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+ " float a = smoothstep(0.0, 2.0 / u_scale, len);"
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/// inner ring
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+ " float b = 0.8 * smoothstep(3.0 / u_scale, 4.0 / u_scale, len);"
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/// center point
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+ " float c = 0.5 * (1.0 - smoothstep(14.0 / u_scale, 16.0 / u_scale, 1.0 - len));"
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+ " vec2 dir = normalize(v_tex);"
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/// - subtract inner from outer to create the outline
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/// - multiply by viewshed
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/// - add center point
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+ " a = (a - (b + c)) + c;"
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+ " gl_FragColor = u_fill * a;"
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+ "}").replace("precision highp float;", IS_MAC ? "" : "precision highp float;");
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private final LocationTextureRenderer locationRenderer;
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public final LocationTextureRenderer locationRenderer;
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public LocationTextureLayer(Map map, TextureRegion textureRegion) {
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super(map);
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mRenderer = locationRenderer = new LocationTextureRenderer(map);
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setTextureRegion(textureRegion);
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locationRenderer.setTextureRegion(textureRegion);
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}
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public void setPosition(double latitude, double longitude, float heading, double accuracy) {
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locationRenderer.setPosition(latitude, longitude, heading, accuracy);
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public void setPosition(double latitude, double longitude, float bearing, float accuracy) {
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double x = MercatorProjection.longitudeToX(longitude);
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double y = MercatorProjection.latitudeToY(latitude);
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bearing = -bearing;
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while (bearing < 0)
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bearing += 360;
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double radius = accuracy / MercatorProjection.groundResolutionWithScale(latitude, 1);
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locationRenderer.setLocation(x, y, bearing, radius);
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}
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public void setAccuracyColor(int color) {
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locationRenderer.setAccuracyColor(color);
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}
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public void setIndicatorColor(int color) {
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locationRenderer.setIndicatorColor(color);
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}
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public void setTextureRegion(TextureRegion region) {
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locationRenderer.setTextureRegion(region);
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}
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private static final class LocationTextureRenderer extends BucketRenderer {
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private final SymbolBucket symbolBucket;
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private final float[] box = new float[8];
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private final Point mapPoint = new Point();
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private final Map map;
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private boolean initialized;
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private boolean locationIsVisible;
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private int shaderProgramNumber;
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private int hVertexPosition;
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private int hMatrixPosition;
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private int hScale;
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private int hPhase;
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private int uFill;
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private double accuracyRadius;
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private final Point indicatorPosition = new Point();
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private final Point screenPoint = new Point();
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private final Box boundingBox = new Box();
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private boolean runAnim;
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private long animStart;
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private boolean update;
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private float heading;
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//properties
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private TextureRegion textureRegion;
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private int accuracyColor = Color.BLUE;
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private int viewShedColor = Color.RED;
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private LocationTextureRenderer(Map map) {
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symbolBucket = new SymbolBucket();
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this.map = map;
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}
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public void setPosition(double latitude, double longitude, float heading, double accuracy) {
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update = true;
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this.heading = -heading;
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while (this.heading < 0) this.heading += 360;
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mapPoint.x = MercatorProjection.longitudeToX(longitude);
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mapPoint.y = MercatorProjection.latitudeToY(latitude);
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accuracyRadius = accuracy;
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}
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private void setAccuracyColor(int color) {
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this.accuracyColor = color;
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}
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private void setIndicatorColor(int color) {
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this.viewShedColor = color;
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}
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private void setTextureRegion(TextureRegion region) {
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textureRegion = region;
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}
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@Override
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public synchronized void update(GLViewport v) {
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if (!v.changed() && !update) return;
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//accuracy
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if (!initialized) {
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init();
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initialized = true;
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}
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setReady(true);
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int width = map.getWidth();
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int height = map.getHeight();
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v.getBBox(boundingBox, 0);
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double x = mapPoint.x;
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double y = mapPoint.y;
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if (!boundingBox.contains(mapPoint)) {
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x = FastMath.clamp(x, boundingBox.xmin, boundingBox.xmax);
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y = FastMath.clamp(y, boundingBox.ymin, boundingBox.ymax);
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}
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// get position of Location in pixel relative to
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// screen center
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v.toScreenPoint(x, y, screenPoint);
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x = screenPoint.x + width / 2;
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y = screenPoint.y + height / 2;
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// clip position to screen boundaries
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int visible = 0;
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if (x > width - 5)
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x = width;
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else if (x < 5)
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x = 0;
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else
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visible++;
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if (y > height - 5)
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y = height;
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else if (y < 5)
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y = 0;
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else
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visible++;
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locationIsVisible = (visible == 2);
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if (locationIsVisible) {
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animate(false);
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} else {
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animate(true);
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}
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// set location indicator position
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v.fromScreenPoint(x, y, indicatorPosition);
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//Texture
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mMapPosition.copy(v.pos);
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double mx = v.pos.x;
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double my = v.pos.y;
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double scale = Tile.SIZE * v.pos.scale;
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map.viewport().getMapExtents(box, 100);
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long flip = (long) (Tile.SIZE * v.pos.scale) >> 1;
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/* check visibility */
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float symbolX = (float) ((mapPoint.x - mx) * scale);
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float symbolY = (float) ((mapPoint.y - my) * scale);
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if (symbolX > flip)
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symbolX -= (flip << 1);
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else if (symbolX < -flip)
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symbolX += (flip << 1);
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buckets.clear();
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if (!GeometryUtils.pointInPoly(symbolX, symbolY, box, 8, 0)) {
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return;
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}
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mMapPosition.bearing = -mMapPosition.bearing;
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if (textureRegion == null) return;
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SymbolItem symbolItem = SymbolItem.pool.get();
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symbolItem.set(symbolX, symbolY, textureRegion, this.heading, true);
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symbolItem.offset = CENTER_OFFSET;
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symbolBucket.pushSymbol(symbolItem);
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buckets.set(symbolBucket);
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buckets.prepare();
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buckets.compile(true);
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compile();
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update = false;
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}
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@Override
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public void render(GLViewport v) {
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renderAccuracyCircle(v);
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super.render(v);
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}
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private void init() {
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int shader = GLShader.createProgram(V_SHADER, F_SHADER);
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if (shader == 0)
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return;
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shaderProgramNumber = shader;
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hVertexPosition = gl.getAttribLocation(shader, "a_pos");
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hMatrixPosition = gl.getUniformLocation(shader, "u_mvp");
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hPhase = gl.getUniformLocation(shader, "u_phase");
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hScale = gl.getUniformLocation(shader, "u_scale");
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uFill = gl.getUniformLocation(shader, "u_fill");
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}
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private void renderAccuracyCircle(GLViewport v) {
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GLState.useProgram(shaderProgramNumber);
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GLState.blend(true);
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GLState.test(false, false);
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GLState.enableVertexArrays(hVertexPosition, -1);
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MapRenderer.bindQuadVertexVBO(hVertexPosition/*, true*/);
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float radius = 10;
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boolean viewShed = false;
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if (!locationIsVisible) {
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radius = CIRCLE_SIZE * CanvasAdapter.getScale();
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} else {
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if (v.pos.zoomLevel >= SHOW_ACCURACY_ZOOM) {
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radius = (float) (accuracyRadius / MercatorProjection.groundResolution(v.pos));
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}
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radius = Math.max(2, radius);
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viewShed = true;
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}
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gl.uniform1f(hScale, radius);
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double x = indicatorPosition.x - v.pos.x;
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double y = indicatorPosition.y - v.pos.y;
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double tileScale = Tile.SIZE * v.pos.scale;
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v.mvp.setTransScale((float) (x * tileScale), (float) (y * tileScale), 1);
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v.mvp.multiplyMM(v.viewproj, v.mvp);
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v.mvp.setAsUniform(hMatrixPosition);
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if (!viewShed) {
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float phase = Math.abs(animPhase() - 0.5f) * 2;
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//phase = Interpolation.fade.apply(phase);
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phase = Interpolation.swing.apply(phase);
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gl.uniform1f(hPhase, 0.8f + phase * 0.2f);
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} else {
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gl.uniform1f(hPhase, 1);
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}
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if (viewShed && locationIsVisible) {
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GLUtils.setColor(uFill, accuracyColor, 1);
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} else {
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GLUtils.setColor(uFill, viewShedColor, 1);
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}
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gl.drawArrays(GL.TRIANGLE_STRIP, 0, 4);
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gl.flush();
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}
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private void animate(boolean enable) {
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if (runAnim == enable)
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return;
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runAnim = enable;
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if (!enable)
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return;
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final Runnable action = new Runnable() {
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private long lastRun;
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@Override
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public void run() {
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if (!runAnim)
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return;
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long diff = System.currentTimeMillis() - lastRun;
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map.postDelayed(this, Math.min(ANIM_RATE, diff));
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map.render();
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lastRun = System.currentTimeMillis();
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}
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};
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animStart = System.currentTimeMillis();
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map.postDelayed(action, ANIM_RATE);
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}
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private float animPhase() {
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return (float) ((MapRenderer.frametime - animStart) % INTERVAL) / INTERVAL;
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}
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}
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}
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320
vtm/src/org/oscim/renderer/LocationTextureRenderer.java
Normal file
320
vtm/src/org/oscim/renderer/LocationTextureRenderer.java
Normal file
@@ -0,0 +1,320 @@
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/*
|
||||
* Copyright 2017-2018 Longri
|
||||
* Copyright 2018 devemux86
|
||||
*
|
||||
* This program is free software: you can redistribute it and/or modify it under the
|
||||
* terms of the GNU Lesser General Public License as published by the Free Software
|
||||
* Foundation, either version 3 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful, but WITHOUT ANY
|
||||
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
|
||||
* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public License along with
|
||||
* this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
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package org.oscim.renderer;
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||||
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import org.oscim.backend.CanvasAdapter;
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import org.oscim.backend.GL;
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import org.oscim.backend.canvas.Color;
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import org.oscim.core.Box;
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import org.oscim.core.Point;
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import org.oscim.core.PointF;
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import org.oscim.core.Tile;
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import org.oscim.map.Map;
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import org.oscim.renderer.atlas.TextureRegion;
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import org.oscim.renderer.bucket.SymbolBucket;
|
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import org.oscim.renderer.bucket.SymbolItem;
|
||||
import org.oscim.utils.FastMath;
|
||||
import org.oscim.utils.geom.GeometryUtils;
|
||||
import org.oscim.utils.math.Interpolation;
|
||||
|
||||
import java.util.Locale;
|
||||
|
||||
import static org.oscim.backend.GLAdapter.gl;
|
||||
|
||||
public class LocationTextureRenderer extends BucketRenderer {
|
||||
|
||||
private static final PointF CENTER_OFFSET = new PointF(0.5f, 0.5f);
|
||||
private static final long ANIM_RATE = 50;
|
||||
private static final long INTERVAL = 2000;
|
||||
private static final float CIRCLE_SIZE = 30;
|
||||
private static final int SHOW_ACCURACY_ZOOM = 13;
|
||||
private static final boolean IS_MAC = System.getProperty("os.name").toLowerCase(Locale.ENGLISH).contains("mac");
|
||||
|
||||
private final static String V_SHADER = (""
|
||||
+ "precision highp float;"
|
||||
+ "uniform mat4 u_mvp;"
|
||||
+ "uniform float u_phase;"
|
||||
+ "uniform float u_scale;"
|
||||
+ "attribute vec2 a_pos;"
|
||||
+ "varying vec2 v_tex;"
|
||||
+ "void main() {"
|
||||
+ " gl_Position = u_mvp * vec4(a_pos * u_scale * u_phase, 0.0, 1.0);"
|
||||
+ " v_tex = a_pos;"
|
||||
+ "}").replace("precision highp float;", IS_MAC ? "" : "precision highp float;");
|
||||
|
||||
// only circle without direction
|
||||
private static final String F_SHADER = (""
|
||||
+ "precision highp float;"
|
||||
+ "varying vec2 v_tex;"
|
||||
+ "uniform float u_scale;"
|
||||
+ "uniform float u_phase;"
|
||||
+ "uniform vec4 u_fill;"
|
||||
+ "void main() {"
|
||||
+ " float len = 1.0 - length(v_tex);"
|
||||
/// outer ring
|
||||
+ " float a = smoothstep(0.0, 2.0 / u_scale, len);"
|
||||
/// inner ring
|
||||
+ " float b = 0.8 * smoothstep(3.0 / u_scale, 4.0 / u_scale, len);"
|
||||
/// center point
|
||||
+ " float c = 0.5 * (1.0 - smoothstep(14.0 / u_scale, 16.0 / u_scale, 1.0 - len));"
|
||||
+ " vec2 dir = normalize(v_tex);"
|
||||
/// - subtract inner from outer to create the outline
|
||||
/// - multiply by viewshed
|
||||
/// - add center point
|
||||
+ " a = (a - (b + c)) + c;"
|
||||
+ " gl_FragColor = u_fill * a;"
|
||||
+ "}").replace("precision highp float;", IS_MAC ? "" : "precision highp float;");
|
||||
|
||||
private final SymbolBucket symbolBucket;
|
||||
private final float[] box = new float[8];
|
||||
private final Point mapPoint = new Point();
|
||||
private final Map map;
|
||||
private boolean initialized;
|
||||
private boolean locationIsVisible;
|
||||
private int shaderProgramNumber;
|
||||
private int hVertexPosition;
|
||||
private int hMatrixPosition;
|
||||
private int hScale;
|
||||
private int hPhase;
|
||||
private int uFill;
|
||||
private double radius;
|
||||
|
||||
private final Point indicatorPosition = new Point();
|
||||
private final Point screenPoint = new Point();
|
||||
private final Box boundingBox = new Box();
|
||||
private boolean runAnim;
|
||||
private long animStart;
|
||||
private boolean update;
|
||||
private float bearing;
|
||||
|
||||
// properties
|
||||
private TextureRegion textureRegion;
|
||||
private int accuracyColor = Color.BLUE;
|
||||
private int viewShedColor = Color.RED;
|
||||
|
||||
public LocationTextureRenderer(Map map) {
|
||||
this.map = map;
|
||||
symbolBucket = new SymbolBucket();
|
||||
}
|
||||
|
||||
public void setAccuracyColor(int color) {
|
||||
this.accuracyColor = color;
|
||||
}
|
||||
|
||||
public void setIndicatorColor(int color) {
|
||||
this.viewShedColor = color;
|
||||
}
|
||||
|
||||
public void setLocation(double x, double y, float bearing, double radius) {
|
||||
update = true;
|
||||
mapPoint.x = x;
|
||||
mapPoint.y = y;
|
||||
this.bearing = bearing;
|
||||
this.radius = radius;
|
||||
}
|
||||
|
||||
public void setTextureRegion(TextureRegion region) {
|
||||
textureRegion = region;
|
||||
}
|
||||
|
||||
private void animate(boolean enable) {
|
||||
if (runAnim == enable)
|
||||
return;
|
||||
|
||||
runAnim = enable;
|
||||
if (!enable)
|
||||
return;
|
||||
|
||||
final Runnable action = new Runnable() {
|
||||
private long lastRun;
|
||||
|
||||
@Override
|
||||
public void run() {
|
||||
if (!runAnim)
|
||||
return;
|
||||
|
||||
long diff = System.currentTimeMillis() - lastRun;
|
||||
map.postDelayed(this, Math.min(ANIM_RATE, diff));
|
||||
map.render();
|
||||
lastRun = System.currentTimeMillis();
|
||||
}
|
||||
};
|
||||
|
||||
animStart = System.currentTimeMillis();
|
||||
map.postDelayed(action, ANIM_RATE);
|
||||
}
|
||||
|
||||
private float animPhase() {
|
||||
return (float) ((MapRenderer.frametime - animStart) % INTERVAL) / INTERVAL;
|
||||
}
|
||||
|
||||
@Override
|
||||
public synchronized void update(GLViewport v) {
|
||||
if (!v.changed() && !update)
|
||||
return;
|
||||
|
||||
// accuracy
|
||||
if (!initialized) {
|
||||
init();
|
||||
initialized = true;
|
||||
}
|
||||
setReady(true);
|
||||
|
||||
int width = map.getWidth();
|
||||
int height = map.getHeight();
|
||||
v.getBBox(boundingBox, 0);
|
||||
|
||||
double x = mapPoint.x;
|
||||
double y = mapPoint.y;
|
||||
|
||||
if (!boundingBox.contains(mapPoint)) {
|
||||
x = FastMath.clamp(x, boundingBox.xmin, boundingBox.xmax);
|
||||
y = FastMath.clamp(y, boundingBox.ymin, boundingBox.ymax);
|
||||
}
|
||||
|
||||
// get position of Location in pixel relative to
|
||||
// screen center
|
||||
v.toScreenPoint(x, y, screenPoint);
|
||||
|
||||
x = screenPoint.x + width / 2;
|
||||
y = screenPoint.y + height / 2;
|
||||
|
||||
// clip position to screen boundaries
|
||||
int visible = 0;
|
||||
|
||||
if (x > width - 5)
|
||||
x = width;
|
||||
else if (x < 5)
|
||||
x = 0;
|
||||
else
|
||||
visible++;
|
||||
|
||||
if (y > height - 5)
|
||||
y = height;
|
||||
else if (y < 5)
|
||||
y = 0;
|
||||
else
|
||||
visible++;
|
||||
|
||||
locationIsVisible = (visible == 2);
|
||||
|
||||
if (locationIsVisible)
|
||||
animate(false);
|
||||
else
|
||||
animate(true);
|
||||
// set location indicator position
|
||||
v.fromScreenPoint(x, y, indicatorPosition);
|
||||
|
||||
// Texture
|
||||
mMapPosition.copy(v.pos);
|
||||
|
||||
double mx = v.pos.x;
|
||||
double my = v.pos.y;
|
||||
double scale = Tile.SIZE * v.pos.scale;
|
||||
map.viewport().getMapExtents(box, 100);
|
||||
long flip = (long) (Tile.SIZE * v.pos.scale) >> 1;
|
||||
|
||||
/* check visibility */
|
||||
float symbolX = (float) ((mapPoint.x - mx) * scale);
|
||||
float symbolY = (float) ((mapPoint.y - my) * scale);
|
||||
|
||||
if (symbolX > flip)
|
||||
symbolX -= (flip << 1);
|
||||
else if (symbolX < -flip)
|
||||
symbolX += (flip << 1);
|
||||
buckets.clear();
|
||||
if (!GeometryUtils.pointInPoly(symbolX, symbolY, box, 8, 0))
|
||||
return;
|
||||
|
||||
mMapPosition.bearing = -mMapPosition.bearing;
|
||||
if (textureRegion == null)
|
||||
return;
|
||||
SymbolItem symbolItem = SymbolItem.pool.get();
|
||||
symbolItem.set(symbolX, symbolY, textureRegion, this.bearing, true);
|
||||
symbolItem.offset = CENTER_OFFSET;
|
||||
symbolBucket.pushSymbol(symbolItem);
|
||||
|
||||
buckets.set(symbolBucket);
|
||||
buckets.prepare();
|
||||
buckets.compile(true);
|
||||
compile();
|
||||
update = false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void render(GLViewport v) {
|
||||
renderAccuracyCircle(v);
|
||||
super.render(v);
|
||||
}
|
||||
|
||||
private void init() {
|
||||
int shader = GLShader.createProgram(V_SHADER, F_SHADER);
|
||||
if (shader == 0)
|
||||
return;
|
||||
|
||||
shaderProgramNumber = shader;
|
||||
hVertexPosition = gl.getAttribLocation(shader, "a_pos");
|
||||
hMatrixPosition = gl.getUniformLocation(shader, "u_mvp");
|
||||
hPhase = gl.getUniformLocation(shader, "u_phase");
|
||||
hScale = gl.getUniformLocation(shader, "u_scale");
|
||||
uFill = gl.getUniformLocation(shader, "u_fill");
|
||||
}
|
||||
|
||||
private void renderAccuracyCircle(GLViewport v) {
|
||||
GLState.useProgram(shaderProgramNumber);
|
||||
GLState.blend(true);
|
||||
GLState.test(false, false);
|
||||
|
||||
GLState.enableVertexArrays(hVertexPosition, -1);
|
||||
MapRenderer.bindQuadVertexVBO(hVertexPosition/*, true*/);
|
||||
|
||||
float radius = 10;
|
||||
boolean viewShed = false;
|
||||
if (!locationIsVisible)
|
||||
radius = CIRCLE_SIZE * CanvasAdapter.getScale();
|
||||
else {
|
||||
if (v.pos.zoomLevel >= SHOW_ACCURACY_ZOOM)
|
||||
radius = (float) (this.radius * v.pos.scale);
|
||||
radius = Math.max(2, radius);
|
||||
viewShed = true;
|
||||
}
|
||||
gl.uniform1f(hScale, radius);
|
||||
|
||||
double x = indicatorPosition.x - v.pos.x;
|
||||
double y = indicatorPosition.y - v.pos.y;
|
||||
double tileScale = Tile.SIZE * v.pos.scale;
|
||||
|
||||
v.mvp.setTransScale((float) (x * tileScale), (float) (y * tileScale), 1);
|
||||
v.mvp.multiplyMM(v.viewproj, v.mvp);
|
||||
v.mvp.setAsUniform(hMatrixPosition);
|
||||
|
||||
if (!viewShed) {
|
||||
float phase = Math.abs(animPhase() - 0.5f) * 2;
|
||||
//phase = Interpolation.fade.apply(phase);
|
||||
phase = Interpolation.swing.apply(phase);
|
||||
gl.uniform1f(hPhase, 0.8f + phase * 0.2f);
|
||||
} else
|
||||
gl.uniform1f(hPhase, 1);
|
||||
|
||||
if (viewShed && locationIsVisible)
|
||||
GLUtils.setColor(uFill, accuracyColor, 1);
|
||||
else
|
||||
GLUtils.setColor(uFill, viewShedColor, 1);
|
||||
|
||||
gl.drawArrays(GL.TRIANGLE_STRIP, 0, 4);
|
||||
gl.flush();
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user