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20 lines
No EOL
461 B
GLSL
20 lines
No EOL
461 B
GLSL
#version 330
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// Value between -1 and 1
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in float scaled_signed_dist_to_curve;
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in float scaled_anti_alias_width;
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in vec4 color;
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out vec4 frag_color;
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void main() {
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frag_color = color;
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// sdf for the region around the curve we wish to color.
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float signed_dist_to_region = abs(scaled_signed_dist_to_curve) - 1.0;
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frag_color.a *= smoothstep(
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scaled_anti_alias_width,
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-scaled_anti_alias_width,
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signed_dist_to_region
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);
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} |