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