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https://github.com/MaSzyna-EU07/maszyna.git
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31 lines
734 B
GLSL
31 lines
734 B
GLSL
#version 330 core
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in vec2 f_coords;
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#texture (color_tex, 0, RGB)
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uniform sampler2D color_tex;
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#texture (velocity_tex, 1, RG)
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uniform sampler2D velocity_tex;
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#include <common>
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void main()
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{
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vec2 texelSize = 1.0 / vec2(textureSize(color_tex, 0));
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vec2 velocity = texture(velocity_tex, f_coords).rg * param[0].r;
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float speed = length(velocity / texelSize);
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int nSamples = clamp(int(speed), 1, 64);
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vec4 oResult = texture(color_tex, f_coords);
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for (int i = 1; i < nSamples; ++i)
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{
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vec2 offset = velocity * (float(i) / float(nSamples - 1) - 0.5);
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oResult += texture(color_tex, f_coords + offset);
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}
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oResult /= float(nSamples);
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gl_FragData[0] = oResult;
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}
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