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Assets/Script/PartGPU.hlsl

@@ -4,14 +4,20 @@
 
 float4 _ColorA, _ColorB;
 
-float2 _SequenceNumbers;
+float4 _SequenceNumbers;
 
 float4 GetFractalColor () {
 	#if defined(UNITY_PROCEDURAL_INSTANCING_ENABLED)
-		return lerp(
-			_ColorA, _ColorB,
+		float4 color;
+		color.rgb = lerp(
+			_ColorA.rgb, _ColorB.rgb,
 			frac(unity_InstanceID * _SequenceNumbers.x + _SequenceNumbers.y)
 		);
+		color.a = lerp(
+			_ColorA.a, _ColorB.a,
+			frac(unity_InstanceID * _SequenceNumbers.z + _SequenceNumbers.w)
+		);
+		return color;
 	#else
 		return _ColorA;
 	#endif