36 lines
643 B
GLSL
36 lines
643 B
GLSL
varying vec4 vColor;
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uniform bool EnableDepthPreview;
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float jet_r(float x)
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{
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return x < 0.7 ? 4.0 * x - 1.5 : -4.0 * x + 4.5;
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}
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float jet_g(float x)
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{
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return x < 0.5 ? 4.0 * x - 0.5 : -4.0 * x + 3.5;
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}
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float jet_b(float x)
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{
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return x < 0.3 ? 4.0 * x + 0.5 : -4.0 * x + 2.5;
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}
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void main()
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{
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float depth = gl_FragCoord.z;
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// Convert to window coords
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gl_FragDepth = 0.5 * depth + 0.5;
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if (EnableDepthPreview)
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{
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float x = 1.0 - gl_FragDepth;
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float r = clamp(jet_r(x), 0.0, 1.0);
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float g = clamp(jet_g(x), 0.0, 1.0);
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float b = clamp(jet_b(x), 0.0, 1.0);
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gl_FragColor = vec4(r, g, b, 1.0);
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}
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else
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gl_FragColor = vColor;
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} |