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16 lines
524 B
16 lines
524 B
#version 100
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precision mediump float;
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// Input uniform values
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uniform vec4 color;
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// NOTE: Add here your custom variables
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void main()
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{
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// Each point is drawn as a screen space square of gl_PointSize size. gl_PointCoord contains where we are inside of
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// it. (0, 0) is the top left, (1, 1) the bottom right corner.
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// Draw each point as a colored circle with alpha 1.0 in the center and 0.0 at the outer edges.
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gl_FragColor = vec4(color.rgb, color.a * (1.0 - length(gl_PointCoord.xy - vec2(0.5))*2.0));
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}
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