17 lines
527 B
GLSL
17 lines
527 B
GLSL
layout (location = 0) in vec4 v_offsets;
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layout (location = 1) in vec4 v_color;
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layout (location = 0) out vec4 v_FragColor;
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void main()
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{
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vec4 finalColor = v_color;
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vec2 radius;
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radius.x = max(0.0, abs(v_offsets.x) - v_offsets.z);
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radius.y = max(0.0, abs(v_offsets.y) - v_offsets.w);
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float maxRadius = 1.0;
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float aaRadius = 0.9;
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float stepValue = smoothstep(aaRadius * aaRadius, maxRadius * maxRadius, dot(radius.xy, radius.xy));
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finalColor.a = finalColor.a * (1.0 - stepValue);
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v_FragColor = finalColor;
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}
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