Vortex added on main page #183
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| "use client"; | ||
| import { cn } from "../../lib/utils"; | ||
| import React from "react"; | ||
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| export const AuroraBackground = ({ | ||
| className, | ||
| children, | ||
| showRadialGradient = true, | ||
| ...props | ||
| }) => { | ||
| return ( | ||
| <main> | ||
| <div | ||
| className={cn( | ||
| "relative flex flex-col h-[100vh] items-center justify-center bg-zinc-50 dark:bg-zinc-900 text-slate-950 transition-bg", | ||
| className, | ||
| )} | ||
| {...props} | ||
| > | ||
| <div className="absolute inset-0 overflow-hidden"> | ||
| <div | ||
| // I'm sorry but this is what peak developer performance looks like // trigger warning | ||
| className={cn( | ||
| ` | ||
| [--white-gradient:repeating-linear-gradient(100deg,var(--white)_0%,var(--white)_7%,var(--transparent)_10%,var(--transparent)_12%,var(--white)_16%)] | ||
| [--dark-gradient:repeating-linear-gradient(100deg,var(--black)_0%,var(--black)_7%,var(--transparent)_10%,var(--transparent)_12%,var(--black)_16%)] | ||
| [--aurora:repeating-linear-gradient(100deg,var(--blue-500)_10%,var(--indigo-300)_15%,var(--blue-300)_20%,var(--violet-200)_25%,var(--blue-400)_30%)] | ||
| [background-image:var(--white-gradient),var(--aurora)] | ||
| dark:[background-image:var(--dark-gradient),var(--aurora)] | ||
| [background-size:300%,_200%] | ||
| [background-position:50%_50%,50%_50%] | ||
| filter blur-[10px] invert dark:invert-0 | ||
| after:content-[""] after:absolute after:inset-0 after:[background-image:var(--white-gradient),var(--aurora)] | ||
| after:dark:[background-image:var(--dark-gradient),var(--aurora)] | ||
| after:[background-size:200%,_100%] | ||
| after:animate-aurora after:[background-attachment:fixed] after:mix-blend-difference | ||
| pointer-events-none | ||
| absolute -inset-[10px] opacity-50 will-change-transform`, | ||
| showRadialGradient && | ||
| `[mask-image:radial-gradient(ellipse_at_100%_0%,black_10%,var(--transparent)_70%)]`, | ||
| )} | ||
| ></div> | ||
| </div> | ||
| {children} | ||
| </div> | ||
| </main> | ||
| ); | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,234 @@ | ||
| "use client"; | ||
| import { cn } from "../../lib/utils"; | ||
| import { createNoise3D } from "simplex-noise"; | ||
| import { motion } from "framer-motion"; | ||
| import { useRef, useEffect } from "react"; | ||
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| export const Vortex = (props) => { | ||
| const canvasRef = useRef(null); | ||
| const containerRef = useRef(null); | ||
| const particleCount = props.particleCount || 700; | ||
| const particlePropCount = 9; | ||
| const particlePropsLength = particleCount * particlePropCount; | ||
| const rangeY = props.rangeY || 100; | ||
| const baseTTL = 50; | ||
| const rangeTTL = 150; | ||
| const baseSpeed = props.baseSpeed || 0.0; | ||
| const rangeSpeed = props.rangeSpeed || 1.5; | ||
| const baseRadius = props.baseRadius || 1; | ||
| const rangeRadius = props.rangeRadius || 2; | ||
| const baseHue = props.baseHue || 220; | ||
| const rangeHue = 100; | ||
| const noiseSteps = 3; | ||
| const xOff = 0.00125; | ||
| const yOff = 0.00125; | ||
| const zOff = 0.0005; | ||
| const backgroundColor = props.backgroundColor || "#000000"; | ||
| let tick = 0; | ||
| const noise3D = createNoise3D(); | ||
| let particleProps = new Float32Array(particlePropsLength); | ||
| let center = [0, 0]; | ||
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| const HALF_PI = 0.5 * Math.PI; | ||
| const TAU = 2 * Math.PI; | ||
| const TO_RAD = Math.PI / 180; | ||
| const rand = (n) => n * Math.random(); | ||
| const randRange = (n) => n - rand(2 * n); | ||
| const fadeInOut = (t, m) => { | ||
| let hm = 0.5 * m; | ||
| return Math.abs(((t + hm) % m) - hm) / hm; | ||
| }; | ||
| const lerp = (n1, n2, speed) => (1 - speed) * n1 + speed * n2; | ||
|
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| const setup = () => { | ||
| const canvas = canvasRef.current; | ||
| const container = containerRef.current; | ||
| if (canvas && container) { | ||
| const ctx = canvas.getContext("2d"); | ||
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| if (ctx) { | ||
| resize(canvas, ctx); | ||
| initParticles(); | ||
| draw(canvas, ctx); | ||
| } | ||
| } | ||
| }; | ||
|
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| const initParticles = () => { | ||
| tick = 0; | ||
| // simplex = new SimplexNoise(); | ||
| particleProps = new Float32Array(particlePropsLength); | ||
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| for (let i = 0; i < particlePropsLength; i += particlePropCount) { | ||
| initParticle(i); | ||
| } | ||
| }; | ||
|
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| const initParticle = (i) => { | ||
| const canvas = canvasRef.current; | ||
| if (!canvas) return; | ||
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| let x, y, vx, vy, life, ttl, speed, radius, hue; | ||
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| x = rand(canvas.width); | ||
| y = center[1] + randRange(rangeY); | ||
| vx = 0; | ||
| vy = 0; | ||
| life = 0; | ||
| ttl = baseTTL + rand(rangeTTL); | ||
| speed = baseSpeed + rand(rangeSpeed); | ||
| radius = baseRadius + rand(rangeRadius); | ||
| hue = baseHue + rand(rangeHue); | ||
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| particleProps.set([x, y, vx, vy, life, ttl, speed, radius, hue], i); | ||
| }; | ||
|
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| const draw = (canvas, ctx) => { | ||
| tick++; | ||
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| ctx.clearRect(0, 0, canvas.width, canvas.height); | ||
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| ctx.fillStyle = backgroundColor; | ||
| ctx.fillRect(0, 0, canvas.width, canvas.height); | ||
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| drawParticles(ctx); | ||
| renderGlow(canvas, ctx); | ||
| renderToScreen(canvas, ctx); | ||
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| window.requestAnimationFrame(() => draw(canvas, ctx)); | ||
| }; | ||
|
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| const drawParticles = (ctx) => { | ||
| for (let i = 0; i < particlePropsLength; i += particlePropCount) { | ||
| updateParticle(i, ctx); | ||
| } | ||
| }; | ||
|
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| const updateParticle = (i, ctx) => { | ||
| const canvas = canvasRef.current; | ||
| if (!canvas) return; | ||
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| let i2 = 1 + i, | ||
| i3 = 2 + i, | ||
| i4 = 3 + i, | ||
| i5 = 4 + i, | ||
| i6 = 5 + i, | ||
| i7 = 6 + i, | ||
| i8 = 7 + i, | ||
| i9 = 8 + i; | ||
| let n, x, y, vx, vy, life, ttl, speed, x2, y2, radius, hue; | ||
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| x = particleProps[i]; | ||
| y = particleProps[i2]; | ||
| n = noise3D(x * xOff, y * yOff, tick * zOff) * noiseSteps * TAU; | ||
| vx = lerp(particleProps[i3], Math.cos(n), 0.5); | ||
| vy = lerp(particleProps[i4], Math.sin(n), 0.5); | ||
| life = particleProps[i5]; | ||
| ttl = particleProps[i6]; | ||
| speed = particleProps[i7]; | ||
| x2 = x + vx * speed; | ||
| y2 = y + vy * speed; | ||
| radius = particleProps[i8]; | ||
| hue = particleProps[i9]; | ||
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| drawParticle(x, y, x2, y2, life, ttl, radius, hue, ctx); | ||
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| life++; | ||
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| particleProps[i] = x2; | ||
| particleProps[i2] = y2; | ||
| particleProps[i3] = vx; | ||
| particleProps[i4] = vy; | ||
| particleProps[i5] = life; | ||
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| (checkBounds(x, y, canvas) || life > ttl) && initParticle(i); | ||
| }; | ||
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Comment on lines
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There was a problem hiding this comment. 🛠️ Refactor suggestion Consider storing canvas dimension in state & adding a safe unmount. |
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| const drawParticle = (x, y, x2, y2, life, ttl, radius, hue, ctx) => { | ||
| ctx.save(); | ||
| ctx.lineCap = "round"; | ||
| ctx.lineWidth = radius; | ||
| ctx.strokeStyle = `hsla(${hue},100%,60%,${fadeInOut(life, ttl)})`; | ||
| ctx.beginPath(); | ||
| ctx.moveTo(x, y); | ||
| ctx.lineTo(x2, y2); | ||
| ctx.stroke(); | ||
| ctx.closePath(); | ||
| ctx.restore(); | ||
| }; | ||
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| const checkBounds = (x, y, canvas) => { | ||
| return x > canvas.width || x < 0 || y > canvas.height || y < 0; | ||
| }; | ||
|
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| const resize = (canvas, ctx) => { | ||
| const container = containerRef.current; | ||
| if (!container) return; | ||
|
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| // Getting container dimensions | ||
| const { clientWidth, clientHeight } = container; | ||
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| // Setting canvas dimensions to match container | ||
| canvas.width = clientWidth; | ||
| canvas.height = clientHeight; | ||
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| center[0] = 0.5 * canvas.width; | ||
| center[1] = 0.5 * canvas.height; | ||
| }; | ||
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| const renderGlow = (canvas, ctx) => { | ||
| ctx.save(); | ||
| ctx.filter = "blur(8px) brightness(200%)"; | ||
| ctx.globalCompositeOperation = "lighter"; | ||
| ctx.drawImage(canvas, 0, 0); | ||
| ctx.restore(); | ||
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| ctx.save(); | ||
| ctx.filter = "blur(4px) brightness(200%)"; | ||
| ctx.globalCompositeOperation = "lighter"; | ||
| ctx.drawImage(canvas, 0, 0); | ||
| ctx.restore(); | ||
| }; | ||
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| const renderToScreen = (canvas, ctx) => { | ||
| ctx.save(); | ||
| ctx.globalCompositeOperation = "lighter"; | ||
| ctx.drawImage(canvas, 0, 0); | ||
| ctx.restore(); | ||
| }; | ||
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| useEffect(() => { | ||
| setup(); | ||
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| const handleResize = () => { | ||
| const canvas = canvasRef.current; | ||
| const ctx = canvas?.getContext("2d"); | ||
| if (canvas && ctx) { | ||
| resize(canvas, ctx); | ||
| } | ||
| }; | ||
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| window.addEventListener("resize", handleResize); | ||
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| // Cleanup event listener on component unmount | ||
| return () => { | ||
| window.removeEventListener("resize", handleResize); | ||
| }; | ||
| }, []); | ||
|
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| return ( | ||
| <div className={cn("relative h-full w-full", props.containerClassName)}> | ||
| <motion.div | ||
| initial={{ opacity: 0 }} | ||
| animate={{ opacity: 1 }} | ||
| ref={containerRef} | ||
| className="absolute h-full w-full inset-0 z-0 bg-transparent flex items-center justify-center" | ||
| > | ||
| <canvas ref={canvasRef}></canvas> | ||
| </motion.div> | ||
| <div className={cn("relative z-10", props.className)}> | ||
| {props.children} | ||
| </div> | ||
| </div> | ||
| ); | ||
| }; | ||
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🛠️ Refactor suggestion
Error handling for 2D context retrieval.
Ensure a fallback if
canvas.getContext("2d")is null. Currently, you have a check, but clarifying error logs might help debugging in certain browsers or restricted contexts.