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48 lines
1.1 KiB
48 lines
1.1 KiB
#version 330
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// Input vertex attributes (from vertex shader)
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in vec2 fragTexCoord;
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in vec4 fragColor;
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// Input uniform values
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uniform sampler2D texture0;
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uniform vec4 colDiffuse;
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// Output fragment color
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out vec4 finalColor;
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// NOTE: Add here your custom variables
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float hatchOffsetY = 5.0;
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float lumThreshold01 = 0.9;
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float lumThreshold02 = 0.7;
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float lumThreshold03 = 0.5;
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float lumThreshold04 = 0.3;
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void main()
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{
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vec3 tc = vec3(1.0, 1.0, 1.0);
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float lum = length(texture(texture0, fragTexCoord).rgb);
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if (lum < lumThreshold01)
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{
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if (mod(gl_FragCoord.x + gl_FragCoord.y, 10.0) == 0.0) tc = vec3(0.0, 0.0, 0.0);
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}
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if (lum < lumThreshold02)
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{
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if (mod(gl_FragCoord.x - gl_FragCoord.y, 10.0) == 0.0) tc = vec3(0.0, 0.0, 0.0);
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}
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if (lum < lumThreshold03)
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{
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if (mod(gl_FragCoord.x + gl_FragCoord.y - hatchOffsetY, 10.0) == 0.0) tc = vec3(0.0, 0.0, 0.0);
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}
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if (lum < lumThreshold04)
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{
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if (mod(gl_FragCoord.x - gl_FragCoord.y - hatchOffsetY, 10.0) == 0.0) tc = vec3(0.0, 0.0, 0.0);
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}
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finalColor = vec4(tc, 1.0);
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}
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