19 lines
546 B
Forth
19 lines
546 B
Forth
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#version 110
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const vec3 ZERO = vec3(0.0, 0.0, 0.0);
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// x = tainted, y = specular;
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varying vec2 intensity;
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varying vec3 delta_box_min;
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varying vec3 delta_box_max;
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uniform vec4 uniform_color;
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void main()
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{
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// if the fragment is outside the print volume -> use darker color
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vec3 color = (any(lessThan(delta_box_min, ZERO)) || any(greaterThan(delta_box_max, ZERO))) ? mix(uniform_color.rgb, ZERO, 0.3333) : uniform_color.rgb;
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gl_FragColor = vec4(vec3(intensity.y, intensity.y, intensity.y) + color * intensity.x, uniform_color.a);
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}
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