14 lines
336 B
Plaintext
14 lines
336 B
Plaintext
float circle(in vec2 _st, in float _radius){
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vec2 dist = _st-vec2(0.5);
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return smoothstep(_radius-(_radius*0.01),
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_radius+(_radius*0.01),
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dot(dist,dist)*4.0);
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}
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void fragment(){
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vec2 st = FRAGCOORD.xy*SCREEN_PIXEL_SIZE.xy;
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COLOR.rgb = vec3(0);
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COLOR.a = circle(st,0.05);
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}
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