Public
Edited
Dec 14, 2022
11 forks
Importers
578 stars
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svg`<svg width="100%" height="300" style="background: black">
<circle cx="50%" cy="50%" r="100" fill="white" />
</svg>`
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svg`<svg width="100%" height="300" style="background: black">
${(() => {
const circles = []
for(let i = 0; i <= 10; i ++) {
circles.push(`<circle
cx="${25 + i * 5}%"
cy="50%"
r="100"
fill="hsl(${i * 36}, 100%, 50%)"
opacity=".6"
/>`)
}
return circles.join('')
})()}
</svg>`
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await visibility(), // cell starts running when entering the viewport @observablehq/awaiting-visibility
svg`<svg width="100%" height="300" style="background: black">
${(() => {
const circles = []
for(let i = 0; i <= 10; i ++) {
circles.push(`<circle
cx="${25 + i * 5}%"
cy="${50 + Math.sin(i/10 * Math.PI * 2 + now/500) * 15}%"
r="${55 + Math.cos(i/10 * Math.PI * 2 + now/1200) * 45}"
fill="hsl(${i * 36}, 100%, 50%)"
opacity=".7"
/>`)
}
return circles.join('')
})()}
</svg>`
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await visibility(), p5(sketch => {
sketch.setup = () => {
sketch.createCanvas(width, 300)
}
sketch.draw = () => {
   sketch.background(0)
sketch.noStroke()
sketch.drawingContext.globalAlpha = .6
const n = 20
for(let i = 0; i <= n; i++) {
sketch.fill(`hsl(${i/n * 360 | 0}, 100%, 50%)`)
const x = sketch.width/4 + i/n * sketch.width/2
const y = 150 + Math.sin(i/n * Math.PI * 2 + sketch.millis()/500) * 45
const r = 55 + Math.cos(i/n * Math.PI * 2 + sketch.millis()/1200) * 45
sketch.circle(x, y, r * 2)
}
 }
})
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await visibility(), bnb({
w: width,
h: 300,
numFrames: 120,
fps: 30,
record: true,
video: 'mp4',
draw: (sketch, time) => {
   sketch.background(0)
sketch.noStroke()
sketch.drawingContext.globalAlpha = .6
const n = 20
for(let i = 0; i <= n; i++) {
sketch.fill(`hsl(${i/n * 360 | 0}, 100%, 50%)`)
const x = sketch.width/4 + i/n * sketch.width/2 + Math.sin(i/10 + time * sketch.TAU) * 50
const y = 150 + Math.sin(i/n * Math.PI * 2 + time * sketch.TAU * 2) * 45
const r = 55 + Math.cos(i/n * Math.PI * 2 + time * sketch.TAU) * 45
sketch.circle(x, y, r * 2)
}
 }
})
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await visibility(), raymarch({
antiAliasing: 2,
sceneSDF: `
${iqSDF.sdSphere()}
${iqSDF.sdBox()}
${iqSDF.opSmoothUnion()}
${iqSDF.opSymXYZ()}
${glslSnippets.rotate3D()}

vec2 sceneSDF(vec3 p) {
float d = sdBox(p, vec3(.6));
p *= rotate3D(u_time, vec3(1, 0, -1));
d = opSmoothUnion(d, sdSphere(opSymXYZ(p) - vec3(1.), .5), 1.1);
return vec2(d, u_time * 5.);
}`})
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One platform to build and deploy the best data apps

Experiment and prototype by building visualizations in live JavaScript notebooks. Collaborate with your team and decide which concepts to build out.
Use Observable Framework to build data apps locally. Use data loaders to build in any language or library, including Python, SQL, and R.
Seamlessly deploy to Observable. Test before you ship, use automatic deploy-on-commit, and ensure your projects are always up-to-date.
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