shader test project

shader-test/source/AssetPaths.hx

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+package;
+
+@:build(flixel.system.FlxAssets.buildFileReferences("assets", true))
+class AssetPaths {}

shader-test/source/CShader.hx

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+import flixel.system.FlxAssets.FlxShader;
+
+class CShader extends FlxShader {
+    @:glFragmentSource('
+        #pragma header
+
+        void main()
+        {
+            vec4 color = flixel_texture2D(bitmap, openfl_TextureCoordv);
+            gl_FragColor = vec4((1.0 - color.r) * color.a, (1.0 - color.g) * color.a, (1.0 - color.b) * color.a,   color.a);
+        }'
+    ) 
+
+
+
+  public function new() {
+    super();
+  }
+}

shader-test/source/Main.hx

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+package;
+
+import flixel.FlxGame;
+import openfl.display.Sprite;
+
+class Main extends Sprite
+{
+	public function new()
+	{
+		super();
+		addChild(new FlxGame(0, 0, PlayState));
+	}
+}

shader-test/source/PlayState.kiss

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+(import flixel.FlxState)
+(import flixel.FlxG)
+(import flixel.FlxSprite)
+(import openfl.filters.BitmapFilter)
+(import openfl.filters.ShaderFilter)
+
+(extends FlxState)
+
+(method &override :Void create []
+    (super.create)
+    (let [bg (new FlxSprite 0 0 "assets/images/apTestRoomEdited.jpg")]
+        (bg.setGraphicSize FlxG.width FlxG.height)
+        (bg.screenCenter)
+        (add bg))
+    (let [:BitmapFilter filter (new ShaderFilter (new CShader))
+            :Array<BitmapFilter> filters [filter]]
+        (FlxG.camera.setFilters filters)))
+
+(method &override :Void update [:Float elapsed]
+    (super.update elapsed))