24 lines
373 B
Plaintext
24 lines
373 B
Plaintext
shader_type canvas_item;
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uniform float r = 0.5;
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uniform float visibility = 1.0;
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void fragment()
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{
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vec2 uv = UV - 0.5;
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int div = 127;
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vec2 st = (vec2(ivec2( uv * float(div) ))+0.5)/float(div);
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float d = length(st);
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float c = 1.0;
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float alpha = visibility;
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if (d<r){
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c = 0.0;
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}
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else{
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alpha = 0.0;
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}
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c = smoothstep(r,r,1);
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COLOR = vec4(vec3(c),alpha);
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} |