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ewpratten/graph_paper.fs

Created October 20, 2021 19:03
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graph_paper.fs
const float maxOpacity = 0.25;
const float zoom = 0.75;
const int spacing = 1;
void mainImage( out vec4 fragColor, in vec2 fragCoord )
{
vec3 col = vec3(1) - (vec3(max(cos(fragCoord.x * zoom) + cos(fragCoord.y * zoom) - 1.0, 0.0)) * maxOpacity);
fragColor = vec4(col,1.0);
}
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