mirror of https://github.com/mode777/rayjs.git
25 lines
641 B
Forth
25 lines
641 B
Forth
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#version 100
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precision mediump float;
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// Input vertex attributes (from vertex shader)
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varying vec2 fragTexCoord;
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varying vec4 fragColor;
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// Input uniform values
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uniform sampler2D texture0;
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uniform sampler2D mask;
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uniform vec4 colDiffuse;
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uniform int frame;
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// NOTE: Add here your custom variables
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void main()
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{
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vec4 maskColour = texture2D(mask, fragTexCoord + vec2(sin(-float(frame)/150.0)/10.0, cos(-float(frame)/170.0)/10.0));
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if (maskColour.r < 0.25) discard;
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vec4 texelColor = texture2D(texture0, fragTexCoord + vec2(sin(float(frame)/90.0)/8.0, cos(float(frame)/60.0)/8.0));
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gl_FragColor = texelColor*maskColour;
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}
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