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16 lines
454 B
Text
16 lines
454 B
Text
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#version 450
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layout(location = 0) in float vAlpha;
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layout(location = 0) out vec4 outColor;
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void main() {
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vec2 p = gl_PointCoord - vec2(0.5);
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float dist = length(p);
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if (dist > 0.5) discard;
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float ring = smoothstep(0.5, 0.4, dist) - smoothstep(0.38, 0.28, dist);
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float highlight = smoothstep(0.3, 0.1, length(p - vec2(-0.15, 0.15))) * 0.5;
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float alpha = (ring + highlight) * vAlpha;
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outColor = vec4(0.8, 0.9, 1.0, alpha);
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}
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