minor progress on background shader

core/src/zero1hd/polyjet/Polyjet.java

@@ -128,6 +128,8 @@ public class Polyjet extends Game {
 		assetManager.load("shard.png", Texture.class);
 		assetManager.load("bar.png", Texture.class);
 		assetManager.load("flake.png", Texture.class);
+		assetManager.load("star_bg.png", Texture.class);
+//		assetManager.load("");
 	}
 	public void generateFonts() {
 		initComplete = true;

core/src/zero1hd/polyjet/ui/stages/GamePlayArea.java

@@ -32,8 +32,6 @@ public class GamePlayArea extends Stage {
 	private ShaderProgram invert;
 	private ShaderProgram bgShader;
 	
-	private Vector2 resolution;
-	
 	private float timePassed;
 	
 	private Texture background;
@@ -83,7 +81,6 @@ public class GamePlayArea extends Stage {
 			if (bgShader.getLog().length()!=0) {
 				System.out.println(bgShader.getLog());
 			}
-			resolution = new Vector2(Gdx.graphics.getWidth(), Gdx.graphics.getHeight());
 		} else {
 			//TODO prepare background rendering without shader
 		}
@@ -110,8 +107,8 @@ public class GamePlayArea extends Stage {
 		if (bgShader != null) {
 			timePassed += delta;
 			bgShader.setUniformf("time", timePassed);
-			bgShader.setUniformf("resolution", resolution);
 		}
+		
 		collisionDetector.collisionCheck();
 		ec.deathClean();