17 lines
331 B
GLSL
17 lines
331 B
GLSL
#version 430 core
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out vec4 fragColor;
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in float hue;
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out vec4 out_color;
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vec3 hsv2rgb(vec3 c)
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{
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vec4 K = vec4(1.0, 2.0 / 3.0, 1.0 / 3.0, 3.0);
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vec3 p = abs(fract(c.xxx + K.xyz) * 6.0 - K.www);
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return c.z * mix(K.xxx, clamp(p - K.xxx, 0.0, 1.0), c.y);
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}
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void main()
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{
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out_color = vec4(hsv2rgb(vec3(hue,1,1)), 1.0);
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}
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