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fix sorter so it works correctly even when the camera is reassigned

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Gered 2013-11-17 17:49:52 -05:00
parent 4dcc40e962
commit 2f0b02ad90
1 changed files with 14 additions and 8 deletions
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22
src/com/blarg/gdx/graphics/AlphaTestCameraGroupStrategy.java
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@ -1,7 +1,5 @@
package com.blarg.gdx.graphics; package com.blarg.gdx.graphics;
import java.util.Comparator;
import com.badlogic.gdx.Gdx; import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.graphics.Camera; import com.badlogic.gdx.graphics.Camera;
import com.badlogic.gdx.graphics.GL10; import com.badlogic.gdx.graphics.GL10;
@ -14,6 +12,8 @@ import com.badlogic.gdx.utils.Disposable;
import com.badlogic.gdx.utils.ObjectMap; import com.badlogic.gdx.utils.ObjectMap;
import com.badlogic.gdx.utils.Pool; import com.badlogic.gdx.utils.Pool;
import java.util.Comparator;
/** /**
* <p> * <p>
* <strong>Note:</strong><br /> * <strong>Note:</strong><br />
@ -91,24 +91,30 @@ public class AlphaTestCameraGroupStrategy implements GroupStrategy, Disposable {
private final Comparator<Decal> cameraSorter; private final Comparator<Decal> cameraSorter;
public AlphaTestCameraGroupStrategy (final Camera camera) { public AlphaTestCameraGroupStrategy (final Camera camera) {
this(camera, new Comparator<Decal>() { if (!Gdx.graphics.isGL20Available())
throw new UnsupportedOperationException("AlphaTestCameraGroupStrategy requires shader support.");
this.camera = camera;
createDefaultShader();
final AlphaTestCameraGroupStrategy that = this;
this.cameraSorter = new Comparator<Decal>() {
@Override @Override
public int compare (Decal o1, Decal o2) { public int compare (Decal o1, Decal o2) {
float dist1 = camera.position.dst(o1.getPosition()); float dist1 = that.camera.position.dst(o1.getPosition());
float dist2 = camera.position.dst(o2.getPosition()); float dist2 = that.camera.position.dst(o2.getPosition());
return (int)Math.signum(dist2 - dist1); return (int)Math.signum(dist2 - dist1);
} }
}); };
} }
public AlphaTestCameraGroupStrategy(Camera camera, Comparator<Decal> sorter) { public AlphaTestCameraGroupStrategy (Camera camera, Comparator<Decal> sorter) {
if (!Gdx.graphics.isGL20Available()) if (!Gdx.graphics.isGL20Available())
throw new UnsupportedOperationException("AlphaTestCameraGroupStrategy requires shader support."); throw new UnsupportedOperationException("AlphaTestCameraGroupStrategy requires shader support.");
this.camera = camera; this.camera = camera;
this.cameraSorter = sorter; this.cameraSorter = sorter;
createDefaultShader(); createDefaultShader();
} }
public void setCamera (Camera camera) { public void setCamera (Camera camera) {