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[psychlops/silverlight.git] / dev4 / Shader / Plaid.fx

diff --git a/dev4/Shader/Plaid.fx b/dev4/Shader/Plaid.fx
new file mode 100644 (file)
index 0000000..1441994
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+++ b/dev4/Shader/Plaid.fx
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+/// <summary>Amplitude of Grating</summary>\r
+/// <minValue>0</minValue>\r
+/// <maxValue>1</maxValue>\r
+/// <defaultValue>0.5</defaultValue>\r
+float contrast : register(C1);\r
+\r
+/// <summary>Phase of Grating</summary>\r
+/// <minValue>0</minValue>\r
+/// <maxValue>100</maxValue>\r
+/// <defaultValue>100</defaultValue>\r
+float frequency: register(C2);\r
+\r
+/// <summary>Phase of Grating</summary>\r
+/// <minValue>0</minValue>\r
+/// <maxValue>6.283184</maxValue>\r
+/// <defaultValue>0</defaultValue>\r
+float phase: register(C3);\r
+\r
+/// <summary>Orientation of Grating</summary>\r
+/// <minValue>0</minValue>\r
+/// <maxValue>6.283184</maxValue>\r
+/// <defaultValue>0</defaultValue>\r
+float orientation: register(C4);\r
+\r
+/// <summary>Amplitude of Grating2</summary>\r
+/// <minValue>0</minValue>\r
+/// <maxValue>1</maxValue>\r
+/// <defaultValue>0.5</defaultValue>\r
+float contrast2 : register(C5);\r
+\r
+/// <summary>Phase of Grating2</summary>\r
+/// <minValue>0</minValue>\r
+/// <maxValue>100</maxValue>\r
+/// <defaultValue>100</defaultValue>\r
+float frequency2: register(C6);\r
+\r
+/// <summary>Phase of Grating2</summary>\r
+/// <minValue>0</minValue>\r
+/// <maxValue>6.283184</maxValue>\r
+/// <defaultValue>0</defaultValue>\r
+float phase2: register(C7);\r
+\r
+/// <summary>Orientation of Grating2</summary>\r
+/// <minValue>0</minValue>\r
+/// <maxValue>6.283184</maxValue>\r
+/// <defaultValue>0.785398</defaultValue>\r
+float orientation2: register(C8);\r
+\r
+/// <summary>Width of envelope</summary>\r
+/// <minValue>1</minValue>\r
+/// <maxValue>1024</maxValue>\r
+/// <defaultValue>32</defaultValue>\r
+float SizeH : register(C9);\r
+\r
+/// <summary>Height of envelope</summary>\r
+/// <minValue>1</minValue>\r
+/// <maxValue>1024</maxValue>\r
+/// <defaultValue>32</defaultValue>\r
+float SizeV : register(C10);\r
+\r
+\r
+float rp(float2 uv)\r
+{\r
+       const float2 Center = float2(0.5,0.5);\r
+       float2 dir = uv - Center; // vector from center to pixel\r
+       float dist = length(dir);\r
+       //dir /= dist;\r
+       return dist;\r
+}\r
+\r
+float4 main(float2 uv : TEXCOORD) : COLOR\r
+{\r
+       float _x1 = sin(orientation)*uv[0]-cos(orientation)*uv[1];\r
+       float _x2 = sin(orientation2)*uv[0]-cos(orientation2)*uv[1];\r
+       float l = 0.5\r
+                 + contrast*0.5*cos(frequency*_x1 + phase)\r
+                 + contrast2*0.5*cos(frequency2*_x2 + phase2);\r
+       \r
+       float4 color = float4(l,l,l,1.0);\r
+       return color;\r
+}\r