diff --git a/Assets/test/QRCode.shader b/Assets/test/QRCode.shader
index 7bb5ba0..a3b7742 100644
--- a/Assets/test/QRCode.shader
+++ b/Assets/test/QRCode.shader
@@ -9,14 +9,6 @@ Properties {
 	[Enum(Low,1, Medium,0, Quartile,3, High,2)] _ECLevel("EC Level (must match data)", Integer) = 1
 	[IntRange] _Mask("Mask type", Range(0, 7)) = 1
 	_FrameSize("Frame size", Range(0, 2)) = 0.1
-
-	[Header(Debugging controls)]
-	[Space]
-	[Toggle] _DisableMask("Hide mask", Integer) = 0
-	[Toggle] _Animate("Animate debug worm", Integer) = 0
-	_AnimationSpeed("Speed", Range(1, 100)) = 0
-	_TimeSlider("Time", Range(0, 200)) = 0
-	_TimeSliderCoarse("Time Coarse", Range(0, 250)) = 0
 }
 SubShader {
 Tags { "RenderType"="Opaque" }
@@ -29,12 +21,6 @@ CGPROGRAM
 	uint _ECLevel;
 	float _FrameSize;
 
-	bool _DisableMask;
-	bool _Animate;
-	float _TimeSlider;
-	float _TimeSliderCoarse;
-	float _AnimationSpeed;
-
 	#define EC_LEVEL _ECLevel
 	#define MASK_TYPE _Mask
 	#define VERSION _Version
@@ -45,10 +31,7 @@ CGPROGRAM
 	#define ALIGNER_SPACING (ALIGNER_SPACING_IDEAL + ALIGNER_SPACING_IDEAL % 2)
 	#define MISALIGNMENT ((WIDTH - 13) - ALIGNER_SPACING * ALIGNERS)
 	#define ALIGNER_COUNT ((ALIGNERS * ALIGNERS - 3) * (VERSION > 1))
-	#define BIT_COUNT (WIDTH * WIDTH - 225 - (WIDTH - 17)*2 - 25 * ALIGNER_COUNT + 10*(ALIGNERS-2)*(ALIGNERS>2) - 36 * (VERSION > 6))
-	#define TIME_MANUAL (_TimeSlider + _TimeSliderCoarse*100)
-	#define TIME (uint)(_Animate ? _Time.y * _AnimationSpeed + TIME_MANUAL : TIME_MANUAL)
-
+	// #define BIT_COUNT (WIDTH * WIDTH - 225 - (WIDTH - 17)*2 - 25 * ALIGNER_COUNT + 10*(ALIGNERS-2)*(ALIGNERS>2) - 36 * (VERSION > 6))
 
 	static const uint FORMAT_BIT_SETS[32] = {0x5412, 0x5125, 0x5e7c, 0x5b4b, 0x45f9, 0x40ce, 0x4f97, 0x4aa0, 0x77c4, 0x72f3, 0x7daa, 0x789d, 0x662f, 0x6318, 0x6c41, 0x6976, 0x1689, 0x13be, 0x1ce7, 0x19d0, 0x0762, 0x0255, 0x0d0c, 0x083b, 0x355f, 0x3068, 0x3f31, 0x3a06, 0x24b4, 0x2183, 0x2eda, 0x2bed};
 	#define FORMAT_BITS_RAW ((EC_LEVEL << 3) | MASK_TYPE)
@@ -192,12 +175,9 @@ CGPROGRAM
  			if (px < 9) {
 				if (passed_up>0) passed_up -= 1;
 				if (passed_down>(ALIGNERS-2)) passed_down-=1;
-				// if (passed_down>0) return 5;
-				// if (passed_up>0) return 5;
 				if (tiny_columns == 0) {
 					bit_index -= passed_up*10;
 				} else if (tiny_columns == 1) {
-					// bit_index += 16;
 					bit_index -= passed_down*10;
 					bit_index -= (ALIGNERS-2)*10;
 				} else if (tiny_columns == 2) {
@@ -248,10 +228,7 @@ CGPROGRAM
 				if (direction_up) {
 					bit_index -= passed_up*5;
 					uint progress = (y_relative - 4) % ALIGNER_SPACING;
-					if (y_relative - 4 >= ALIGNER_SPACING*(ALIGNERS-1)) {
-						progress = 999;
-					}
-					if (progress < 5) {
+					if (progress < 5 && y_relative - 4 < ALIGNER_SPACING*(ALIGNERS-1)) {
 						bit_index -= progress+1;
 					}
 					if (py < 9) {
@@ -272,10 +249,7 @@ CGPROGRAM
 					}
 
 					uint progress = (py - ALIGNER_GRID_Y_START) % ALIGNER_SPACING;
-					if (py < WIDTH-((ALIGNERS-1)*ALIGNER_SPACING+4)) {
-						progress = 999;
-					}
-					if (progress < 5) {
+					if (progress < 5 && py >= WIDTH-((ALIGNERS-1)*ALIGNER_SPACING+4)) {
 						bit_index -= progress;
 						bit_index += 4;
 					}
@@ -318,22 +292,7 @@ CGPROGRAM
 				break;
 		}
 		uint bit = ((data[bit_index/32] >> (31-(bit_index % 32))) & 1);
-
-		if (!_DisableMask) {
-			bit ^= mask;
-		}
-
-		return !bit;
-
-		// bit index debugging worm
-		// uint worm = TIME % BIT_COUNT - bit_index;
-		// worm %= 200;
-		// const uint length = 6;
-		// if (worm == 0) return float3(3,0,0);
-		// if (worm < length) return lerp(PINK, BLUE, (worm/(float)length));
-		// if (bit_index >= BIT_COUNT) return float3(1,0,0);
-		// // #define BIT_COUNT 24
-		// return (float)(bit_index%BIT_COUNT)/(float)BIT_COUNT;
+		return bit == mask;
 	}
 
 	void s (Input IN, inout SurfaceOutputStandard o) { o.Albedo = main(IN.uv_); }