WebGL Shader / Observable

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WebGL Shader

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Published

Edited

Oct 25, 2021

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8 stars

WebGL Shader

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viewof zoom = Inputs.range([10, 100], {value: 25, transform: Math.log, label: "Zoom"})

shader({width, height: 200, iTime: true, visibility, inputs: {size: viewof zoom}})`

mat2 rotate2d(float a) {

return mat2(cos(a), -sin(a), sin(a), cos(a));

}

void mainImage(out vec4 fragColor, in vec2 fragCoord) {

vec2 p = (fragCoord.xy - iResolution.xy / 2.0) * rotate2d(iTime / 10.0);

float k = float(mod(p.x, size * 2.0) < size == mod(p.y, size * 2.0) < size);

fragColor = vec4(0.0, 0.105, 0.255, k + 0.75);

}

import {shader} from "@mbostock/shader"

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