Maze generator.

Author: przemyslawzaworski

Diff for: maze.shader

@@ -0,0 +1,47 @@
+Shader "Maze"
+{
+	Properties
+	{
+		_scale ("Scale", Range(1.0,60.0)) = 30
+		_hash ("Seed", Range(500.0,2000.0)) = 1000
+		_color ("Color", Color) = (1.0,0.0,0.0,1.0)
+	}
+	Subshader
+	{
+		Pass
+		{
+			CGPROGRAM
+			#pragma vertex vertex_shader
+			#pragma fragment pixel_shader
+			#pragma target 4.0
+			
+			struct SHADERDATA
+			{
+				float4 vertex : SV_POSITION;
+				float2 uv : TEXCOORD0;
+			};
+			
+			float _scale, _hash;
+			float4 _color;
+			
+			SHADERDATA vertex_shader (float4 vertex:POSITION, float2 uv:TEXCOORD0)
+			{
+				SHADERDATA vs;
+				vs.vertex = UnityObjectToClipPos (vertex);
+				vs.uv = uv;
+				return vs;
+			}
+
+			float4 pixel_shader (SHADERDATA ps) : SV_TARGET
+			{	
+				float2 uv = ps.uv * _scale;
+				float hash = sin(12345.67*sin(_hash*length(ceil(uv))));	
+				float pattern = cos(3.14159265*(uv.y+uv.x*sign(hash)));
+				return  _color / pattern;
+			}
+
+			ENDCG
+
+		}
+	}
+}