16 lines
350 B
Forth
16 lines
350 B
Forth
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#version 120
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uniform vec3 uniform_color;
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void main()
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{
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vec2 pos = gl_PointCoord - vec2(0.5, 0.5);
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float sq_radius = pos.x * pos.x + pos.y * pos.y;
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if (sq_radius > 0.25)
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discard;
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else if (sq_radius > 0.180625)
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gl_FragColor = vec4(0.5 * uniform_color, 1.0);
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else
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gl_FragColor = vec4(uniform_color, 1.0);
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}
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