13 lines
236 B
Forth
13 lines
236 B
Forth
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#version 100
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precision highp float;
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varying vec4 v_col;
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uniform sampler2D u_coreTex;
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void main()
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{
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//vec4 col = texture2D(u_coreTex, gl_PointCoord.xy);
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vec4 col = vec4(length(gl_PointCoord.xy-0.5)<0.5);
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gl_FragColor = col*v_col;
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}
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