Noise effect removed due to similar implementation to film grain.

demo/core/src/com/crashinvaders/vfx/demo/screens/demo/controllers/EffectRosterViewController.java

@@ -116,6 +116,7 @@ public void onViewCreated(Group sceneRoot) {
         // Film Grain
         {
             FilmGrainEffect filter = new FilmGrainEffect();
+            filter.setNoiseAmount(0.18f);
             effectsRoster.add(new EffectEntryModel("Film Grain", filter));
         }
         // Motion Blur (MIX)
@@ -128,11 +129,6 @@ public void onViewCreated(Group sceneRoot) {
             MotionBlurEffect filter = new MotionBlurEffect(Pixmap.Format.RGBA8888, MixEffect.Method.MAX, 0.75f);
             effectsRoster.add(new EffectEntryModel("Motion Blur (MAX)", filter));
         }
-        // Noise
-        {
-            NoiseEffect filter = new NoiseEffect(0.35f, 2f);
-            effectsRoster.add(new EffectEntryModel("Noise", filter));
-        }
         // Old TV
         {
             OldTvEffect filter = new OldTvEffect();

gdx-vfx/effects/assets/shaders/film-grain.frag

@@ -23,17 +23,18 @@
 	#define PRECISION
 #endif
 
-const float NOISE_AMOUNT = 0.18;
+uniform sampler2D u_texture0;
 
 varying vec2 v_texCoords;
-uniform sampler2D u_texture0;
+
 uniform float u_seed;
+uniform float u_noiseAmount;
 
 void main() {
 	vec2 uv = v_texCoords;
     vec4 color = texture2D(u_texture0, v_texCoords);
 
     float n = fract(sin(dot(uv, vec2(u_seed + 12.9898, 78.233))) * 43758.5453);
-    color *= (1.0 - NOISE_AMOUNT + n * NOISE_AMOUNT) * 1.1;
+    color.rgb *= (1.0 - u_noiseAmount + n * u_noiseAmount) * 1.1;
 	gl_FragColor = color;
 }

gdx-vfx/effects/src/com/crashinvaders/vfx/GdxVfxEffects.gwt.xml

@@ -20,7 +20,6 @@
 	<extend-configuration-property name="gdx.files.classpath" value="shaders/levels.frag" />
 	<extend-configuration-property name="gdx.files.classpath" value="shaders/mix.frag" />
 	<extend-configuration-property name="gdx.files.classpath" value="shaders/nfaa.frag" />
-	<extend-configuration-property name="gdx.files.classpath" value="shaders/noise.frag" />
 	<extend-configuration-property name="gdx.files.classpath" value="shaders/old-tv.frag" />
 	<extend-configuration-property name="gdx.files.classpath" value="shaders/radial-blur.frag" />
 	<extend-configuration-property name="gdx.files.classpath" value="shaders/radial-blur.vert" />

gdx-vfx/effects/src/com/crashinvaders/vfx/effects/FilmGrainEffect.java

@@ -23,8 +23,10 @@ public class FilmGrainEffect extends ShaderVfxEffect {
 
     private static final String U_TEXTURE0 = "u_texture0";
     private static final String U_SEED = "u_seed";
+    private static final String U_NOISE_AMOUNT = "u_noiseAmount";
 
     private float seed = 0f;
+    private float noiseAmount = 0.18f;
 
     public FilmGrainEffect() {
         super(VfxGLUtils.compileShader(
@@ -39,6 +41,7 @@ public void rebind () {
         program.begin();
         program.setUniformi(U_TEXTURE0, TEXTURE_HANDLE0);
         program.setUniformf(U_SEED, seed);
+        program.setUniformf(U_NOISE_AMOUNT, noiseAmount);
         program.begin();
     }
 
@@ -55,6 +58,15 @@ public float getSeed() {
 
     public void setSeed(float seed) {
         this.seed = seed;
-        rebind();
+        setUniform(U_SEED, seed);
+    }
+
+    public float getNoiseAmount() {
+        return noiseAmount;
+    }
+
+    public void setNoiseAmount(float noiseAmount) {
+        this.noiseAmount = noiseAmount;
+        setUniform(U_NOISE_AMOUNT, noiseAmount);
     }
 }