21 lines
427 B
Forth
21 lines
427 B
Forth
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#version 100
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precision highp float;
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// see as reference: https://stackoverflow.com/questions/52928678/dashed-line-in-opengl3
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uniform float dash_size;
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uniform float gap_size;
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uniform vec4 uniform_color;
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varying float coord_s;
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void main()
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{
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float inv_stride = 1.0 / (dash_size + gap_size);
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if (gap_size > 0.0 && fract(coord_s * inv_stride) > dash_size * inv_stride)
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discard;
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gl_FragColor = uniform_color;
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}
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