44 lines
919 B
GLSL
44 lines
919 B
GLSL
#version 330 core
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uniform mat4 mWorld;
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uniform mat4 mView;
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uniform mat4 mProjection;
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layout (location = 0) in vec3 vp;
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layout (location = 1) in vec3 normals;
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smooth out vec3 theColor;
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vec3 hsv_to_rgb(float h, float s, float v)
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{
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float c = v * s;
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h = mod((h * 6.0), 6.0);
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float x = c * (1.0 - abs(mod(h, 2.0) - 1.0));
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vec3 color;
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if (0.0 <= h && h < 1.0) {
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color = vec3(c, x, 0.0);
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} else if (1.0 <= h && h < 2.0) {
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color = vec3(x, c, 0.0);
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} else if (2.0 <= h && h < 3.0) {
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color = vec3(0.0, c, x);
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} else if (3.0 <= h && h < 4.0) {
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color = vec3(0.0, x, c);
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} else if (4.0 <= h && h < 5.0) {
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color = vec3(x, 0.0, c);
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} else if (5.0 <= h && h < 6.0) {
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color = vec3(c, 0.0, x);
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} else {
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color = vec3(0.0, 0.0, 0.0);
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}
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color.rgb += v - c;
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return color;
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}
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void main () {
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gl_Position = mProjection*mView*mWorld*vec4(vp, 1.0);
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theColor = hsv_to_rgb(vp.z, 1, 1); //vec3(1.0, 1.0, 1.0);
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}
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