16 lines
539 B
GLSL
16 lines
539 B
GLSL
//modified version of [this shader](https://github.com/wessles/GLSL-CRT/blob/master/shader.frag)
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const float scaleFactor = 0.7;
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float clamp(float x, float min, float max) {
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if (x > max) return max;
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if (x < min) return min;
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return x;
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}
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void windowShader(inout vec4 color) {
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// color += vec4(cos(x_TexCoord.x)/4., sin(x_TexCoord.y)/4., 0., 1.);
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color += vec4(cos(v_texcoord.x)/4., cos(v_texcoord.y)/8., sin(v_texcoord.y)/4., 1.);
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color = vec4(clamp(color.x, 0., 1.), clamp(color.y, 0., 1.), clamp(color.z, 0., 1.), color.w);
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}
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