diff --git a/android/assets/shaders/bg_frag.glsl b/android/assets/shaders/bg_frag.glsl
index 4229bb3..cc042a0 100755
--- a/android/assets/shaders/bg_frag.glsl
+++ b/android/assets/shaders/bg_frag.glsl
@@ -2,7 +2,6 @@
 precision mediump float;
 #endif
 
-
 uniform float time;
 uniform vec2 mouse;
 uniform vec2 resolution;
diff --git a/android/assets/shaders/bg_vert.glsl b/android/assets/shaders/bg_vert.glsl
index 86c08a8..f0b6c23 100755
--- a/android/assets/shaders/bg_vert.glsl
+++ b/android/assets/shaders/bg_vert.glsl
@@ -4,9 +4,11 @@ attribute vec2 a_texCoord0;
 
 uniform mat4 u_projTrans;
 
+varying vec4 vColor;
 varying vec2 vTexCoord;
-void main() {
-	vTexCoord = a_texCoord0;
 
+void main() {
+	vColor = a_color;
+	vTexCoord = a_texCoord0;
 	gl_Position = u_projTrans * a_position;
 }
diff --git a/android/assets/shaders/glow_frag.glsl b/android/assets/shaders/glow_frag.glsl
index cb17cec..d31d8a0 100755
--- a/android/assets/shaders/glow_frag.glsl
+++ b/android/assets/shaders/glow_frag.glsl
@@ -1,33 +1,37 @@
+#ifdef GL_ES
+#define LOWP lowp
+    precision mediump float;
+#else
+    #define LOWP
+#endif
+varying LOWP vec4 vColor;
+varying vec2 vTexCoord;
+
 uniform sampler2D u_texture;
+uniform float resolution;
+uniform float radius;
+uniform vec2 dir;
 
-uniform vec2 vTexCoord;
-void main()
-{
-   vec4 sum = vec4(0);
-   vec2 texcoord = vTexCoord;
-   int j;
-   int i;
+void main() {
 
-   for( i= -4 ;i < 4; i++)
-   {
-        for (j = -3; j < 3; j++)
-        {
-            sum += texture2D(u_texture, texcoord + vec2(j, i)*0.004) * 0.25;
-        }
-   }
-       if (texture2D(u_texture, texcoord).r < 0.3)
-    {
-       gl_FragColor = sum*sum*0.012 + texture2D(u_texture, texcoord);
-    }
-    else
-    {
-        if (texture2D(u_texture, texcoord).r < 0.5)
-        {
-            gl_FragColor = sum*sum*0.009 + texture2D(u_texture, texcoord);
-        }
-        else
-        {
-            gl_FragColor = sum*sum*0.0075 + texture2D(u_texture, texcoord);
-        }
-    }
+	vec4 sum = vec4(0.0);
+	vec2 tc = vTexCoord;
+	float blur = radius/resolution;
+
+	float hstep = dir.x;
+	float vstep = dir.y;
+
+	sum += texture2D(u_texture, vec2(tc.x - 4.0*blur*hstep, tc.y - 4.0*blur*vstep)) * 0.05;
+	sum += texture2D(u_texture, vec2(tc.x - 3.0*blur*hstep, tc.y - 3.0*blur*vstep)) * 0.09;
+	sum += texture2D(u_texture, vec2(tc.x - 2.0*blur*hstep, tc.y - 2.0*blur*vstep)) * 0.12;
+	sum += texture2D(u_texture, vec2(tc.x - 1.0*blur*hstep, tc.y - 1.0*blur*vstep)) * 0.15;
+
+	sum += texture2D(u_texture, vec2(tc.x, tc.y)) * 0.16;
+
+	sum += texture2D(u_texture, vec2(tc.x + 1.0*blur*hstep, tc.y + 1.0*blur*vstep)) * 0.15;
+	sum += texture2D(u_texture, vec2(tc.x + 2.0*blur*hstep, tc.y + 2.0*blur*vstep)) * 0.12;
+	sum += texture2D(u_texture, vec2(tc.x + 3.0*blur*hstep, tc.y + 3.0*blur*vstep)) * 0.09;
+	sum += texture2D(u_texture, vec2(tc.x + 4.0*blur*hstep, tc.y + 4.0*blur*vstep)) * 0.05;
+
+	gl_FragColor = vColor * vec4(sum.rgb, 1.0);
 }
diff --git a/android/assets/shaders/glow_vert.glsl b/android/assets/shaders/glow_vert.glsl
index 86c08a8..f0b6c23 100755
--- a/android/assets/shaders/glow_vert.glsl
+++ b/android/assets/shaders/glow_vert.glsl
@@ -4,9 +4,11 @@ attribute vec2 a_texCoord0;
 
 uniform mat4 u_projTrans;
 
+varying vec4 vColor;
 varying vec2 vTexCoord;
-void main() {
-	vTexCoord = a_texCoord0;
 
+void main() {
+	vColor = a_color;
+	vTexCoord = a_texCoord0;
 	gl_Position = u_projTrans * a_position;
 }
diff --git a/core/src/zero1hd/polyjet/audio/AudioAnalyzer.java b/core/src/zero1hd/polyjet/audio/AudioAnalyzer.java
index bb029a3..1025cff 100755
--- a/core/src/zero1hd/polyjet/audio/AudioAnalyzer.java
+++ b/core/src/zero1hd/polyjet/audio/AudioAnalyzer.java
@@ -73,7 +73,7 @@ public class AudioAnalyzer {
 				UMBinBegin = 200;
 				UMBinEnd = 512;
 				
-				bassThresholdCalcRange = thresholdRangeCalc(0.3f);
+				bassThresholdCalcRange = thresholdRangeCalc(0.28f);
 				UMThresholdCalcRange = thresholdRangeCalc(0.3f);
 				
 				Gdx.app.debug("Read freq", String.valueOf(audioData.getFormat().getSampleRate()));
diff --git a/core/src/zero1hd/polyjet/audio/map/RhythmMapAlgorithm.java b/core/src/zero1hd/polyjet/audio/map/RhythmMapAlgorithm.java
index 90e447b..d19bdd9 100755
--- a/core/src/zero1hd/polyjet/audio/map/RhythmMapAlgorithm.java
+++ b/core/src/zero1hd/polyjet/audio/map/RhythmMapAlgorithm.java
@@ -56,7 +56,7 @@ public class RhythmMapAlgorithm implements Runnable {
 		map.beginBuild();
 		for (int index = 0; index < bassPeaks.size; index++) {
 			if (bassPeaks.get(index) != 0 || UMPeaks.get(index) != 0) {
-				if (bassPeaks.get(index) >= avgBass*0.9f) {
+				if (bassPeaks.get(index) >= avgBass) {
 					//TODO basic void circle spawning
 					float warningTime = map.goBack((int) (windowPerSecond*1.5f))/windowPerSecond;
 					float endRadius = (bassPeaks.get(index)/bassMax)*(Polyjet.GAME_AREA_HEIGHT/4f);
@@ -67,7 +67,6 @@ public class RhythmMapAlgorithm implements Runnable {
 							endRadius/(avgSPB*0.7f),
 							warningTime
 							);
-					
 					map.resetIndex();
 				}
 				if (UMPeaks.get(index) >= avgUM) {
diff --git a/core/src/zero1hd/polyjet/ui/stages/GamePlayArea.java b/core/src/zero1hd/polyjet/ui/stages/GamePlayArea.java
index 5ac88d3..7c7f6e6 100755
--- a/core/src/zero1hd/polyjet/ui/stages/GamePlayArea.java
+++ b/core/src/zero1hd/polyjet/ui/stages/GamePlayArea.java
@@ -31,7 +31,7 @@ public class GamePlayArea extends Stage {
 	private float yTeleport = Polyjet.GAME_AREA_HEIGHT/2;
 	private int score;
 	
-	private ShaderProgram invert;
+	private ShaderProgram glowShader;
 	private ShaderProgram bgShader;
 	
 	private Texture background;
@@ -60,18 +60,16 @@ public class GamePlayArea extends Stage {
 	 * @param prefs
 	 */
 	public void loadShaders(Preferences prefs) {
-		if (prefs.getBoolean("invert shader")) {
-			Gdx.app.debug("Shader", "using inversion shader");
-			invert = new ShaderProgram(Gdx.files.internal("shaders/invert_vert.glsl").readString(), Gdx.files.internal("shaders/invert_frag.glsl").readString());
-			ShaderProgram.pedantic = false;
-			if (!invert.isCompiled()) {
-				System.err.println(invert.getLog());
+		if (prefs.getBoolean("glow shader")) {
+			Gdx.app.debug("Shader", "using glow shader");
+			glowShader = new ShaderProgram(Gdx.files.internal("shaders/glow_vert.glsl").readString(), Gdx.files.internal("shaders/glow_frag.glsl").readString());
+			if (!glowShader.isCompiled()) {
+				System.err.println(glowShader.getLog());
 				System.exit(0);
 			}
-			if (invert.getLog().length()!=0) {
-				System.out.println(invert.getLog());
+			if (glowShader.getLog().length()!=0) {
+				System.out.println(glowShader.getLog());
 			}
-			getBatch().setShader(invert);
 			
 		}
 		
@@ -108,9 +106,11 @@ public class GamePlayArea extends Stage {
 		getBatch().draw(background, 0f, 0f, Polyjet.GAME_AREA_WIDTH, Polyjet.GAME_AREA_HEIGHT);
 		getBatch().end();
 		
-		
-		
-		getBatch().setShader(null);
+		if (glowShader != null) {
+			getBatch().setShader(glowShader);
+		} else {
+			getBatch().setShader(null);
+		}
 		super.draw();
 	}