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add basic billboard draw methods

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Gered 2013-07-01 13:33:17 -04:00
parent 608cbf376d
commit a3f0cf068f
1 changed files with 27 additions and 1 deletions
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28
src/com/blarg/gdx/graphics/BillboardSpriteBatch.java
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@ -1,5 +1,7 @@
package com.blarg.gdx.graphics;
import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.graphics.Texture;
import com.badlogic.gdx.graphics.g2d.TextureRegion;
import com.badlogic.gdx.graphics.g3d.decals.Decal;
import com.badlogic.gdx.graphics.g3d.decals.DecalBatch;
@ -40,11 +42,35 @@ public class BillboardSpriteBatch {
pointer = 0;
}
public void draw(Texture texture, float x, float y, float z, float width, float height) {
draw(texture, x, y, z, width, height, Color.WHITE);
}
public void draw(Texture texture, float x, float y, float z, float width, float height, Color tint) {
Decal sprite = nextUsable();
TextureRegion textureRegion = sprite.getTextureRegion();
textureRegion.setRegion(texture);
sprite.setTextureRegion(textureRegion);
sprite.setWidth(width);
sprite.setHeight(height);
sprite.setPosition(x, y, z);
sprite.setColor(tint);
}
public void flush() {
if (!hasBegun)
throw new IllegalStateException("Cannot call outside of a begin/end block.");
// TODO: render decals with DecalBatch
for (int i = 0; i < pointer; ++i) {
Decal sprite = sprites.items[i];
decalBatch.add(sprite);
}
decalBatch.flush();
// don't want to hang on to Texture object references
// TODO: is this overkill? does this really make a big difference?
for (int i = 0; i < pointer; ++i)
sprites.items[i].getTextureRegion().setTexture(null);
pointer = 0;
}