Redesigned the website!
This commit is contained in:
Mauro Balades
271
src/components/ui/particles.tsx
Normal file
271
src/components/ui/particles.tsx
Normal file
@@ -0,0 +1,271 @@
|
||||
'use client'
|
||||
|
||||
import React, { useEffect, useRef, useState } from 'react'
|
||||
|
||||
interface MousePosition {
|
||||
x: number
|
||||
y: number
|
||||
}
|
||||
|
||||
function MousePosition(): MousePosition {
|
||||
const [mousePosition, setMousePosition] = useState<MousePosition>({
|
||||
x: 0,
|
||||
y: 0,
|
||||
})
|
||||
|
||||
useEffect(() => {
|
||||
const handleMouseMove = (event: MouseEvent) => {
|
||||
setMousePosition({ x: event.clientX, y: event.clientY })
|
||||
}
|
||||
|
||||
window.addEventListener('mousemove', handleMouseMove)
|
||||
|
||||
return () => {
|
||||
window.removeEventListener('mousemove', handleMouseMove)
|
||||
}
|
||||
}, [])
|
||||
|
||||
return mousePosition
|
||||
}
|
||||
|
||||
interface ParticlesProps {
|
||||
className?: string
|
||||
quantity?: number
|
||||
staticity?: number
|
||||
ease?: number
|
||||
size?: number
|
||||
refresh?: boolean
|
||||
color?: string
|
||||
vx?: number
|
||||
vy?: number
|
||||
}
|
||||
function hexToRgb(hex: string): number[] {
|
||||
hex = hex.replace('#', '')
|
||||
const hexInt = Number.parseInt(hex, 16)
|
||||
const red = (hexInt >> 16) & 255
|
||||
const green = (hexInt >> 8) & 255
|
||||
const blue = hexInt & 255
|
||||
return [red, green, blue]
|
||||
}
|
||||
|
||||
const Particles: React.FC<ParticlesProps> = ({
|
||||
className = '',
|
||||
quantity = 100,
|
||||
staticity = 50,
|
||||
ease = 50,
|
||||
size = 0.4,
|
||||
refresh = false,
|
||||
color = '#ffffff',
|
||||
vx = 0,
|
||||
vy = 0,
|
||||
}) => {
|
||||
const canvasRef = useRef<HTMLCanvasElement>(null)
|
||||
const canvasContainerRef = useRef<HTMLDivElement>(null)
|
||||
const context = useRef<CanvasRenderingContext2D | null>(null)
|
||||
const circles = useRef<any[]>([])
|
||||
const mousePosition = MousePosition()
|
||||
const mouse = useRef<{ x: number, y: number }>({ x: 0, y: 0 })
|
||||
const canvasSize = useRef<{ w: number, h: number }>({ w: 0, h: 0 })
|
||||
const dpr = typeof window !== 'undefined' ? window.devicePixelRatio : 1
|
||||
|
||||
useEffect(() => {
|
||||
if (canvasRef.current) {
|
||||
context.current = canvasRef.current.getContext('2d')
|
||||
}
|
||||
initCanvas()
|
||||
animate()
|
||||
window.addEventListener('resize', initCanvas)
|
||||
|
||||
return () => {
|
||||
window.removeEventListener('resize', initCanvas)
|
||||
}
|
||||
}, [color])
|
||||
|
||||
useEffect(() => {
|
||||
onMouseMove()
|
||||
}, [mousePosition.x, mousePosition.y])
|
||||
|
||||
useEffect(() => {
|
||||
initCanvas()
|
||||
}, [refresh])
|
||||
|
||||
const initCanvas = () => {
|
||||
resizeCanvas()
|
||||
drawParticles()
|
||||
}
|
||||
|
||||
const onMouseMove = () => {
|
||||
if (canvasRef.current) {
|
||||
const rect = canvasRef.current.getBoundingClientRect()
|
||||
const { w, h } = canvasSize.current
|
||||
const x = mousePosition.x - rect.left - w / 2
|
||||
const y = mousePosition.y - rect.top - h / 2
|
||||
const inside = x < w / 2 && x > -w / 2 && y < h / 2 && y > -h / 2
|
||||
if (inside) {
|
||||
mouse.current.x = x
|
||||
mouse.current.y = y
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
interface Circle {
|
||||
x: number
|
||||
y: number
|
||||
translateX: number
|
||||
translateY: number
|
||||
size: number
|
||||
alpha: number
|
||||
targetAlpha: number
|
||||
dx: number
|
||||
dy: number
|
||||
magnetism: number
|
||||
}
|
||||
|
||||
const resizeCanvas = () => {
|
||||
if (canvasContainerRef.current && canvasRef.current && context.current) {
|
||||
circles.current.length = 0
|
||||
canvasSize.current.w = canvasContainerRef.current.offsetWidth
|
||||
canvasSize.current.h = canvasContainerRef.current.offsetHeight
|
||||
canvasRef.current.width = canvasSize.current.w * dpr
|
||||
canvasRef.current.height = canvasSize.current.h * dpr
|
||||
canvasRef.current.style.width = `${canvasSize.current.w}px`
|
||||
canvasRef.current.style.height = `${canvasSize.current.h}px`
|
||||
context.current.scale(dpr, dpr)
|
||||
}
|
||||
}
|
||||
|
||||
const circleParams = (): Circle => {
|
||||
const x = Math.floor(Math.random() * canvasSize.current.w)
|
||||
const y = Math.floor(Math.random() * canvasSize.current.h)
|
||||
const translateX = 0
|
||||
const translateY = 0
|
||||
const pSize = Math.floor(Math.random() * 2) + size
|
||||
const alpha = 0
|
||||
const targetAlpha = Number.parseFloat((Math.random() * 0.6 + 0.1).toFixed(1))
|
||||
const dx = (Math.random() - 0.5) * 0.1
|
||||
const dy = (Math.random() - 0.5) * 0.1
|
||||
const magnetism = 0.1 + Math.random() * 4
|
||||
return {
|
||||
x,
|
||||
y,
|
||||
translateX,
|
||||
translateY,
|
||||
size: pSize,
|
||||
alpha,
|
||||
targetAlpha,
|
||||
dx,
|
||||
dy,
|
||||
magnetism,
|
||||
}
|
||||
}
|
||||
|
||||
const rgb = hexToRgb(color)
|
||||
|
||||
const drawCircle = (circle: Circle, update = false) => {
|
||||
if (context.current) {
|
||||
const { x, y, translateX, translateY, size, alpha } = circle
|
||||
context.current.translate(translateX, translateY)
|
||||
context.current.beginPath()
|
||||
context.current.arc(x, y, size, 0, 2 * Math.PI)
|
||||
context.current.fillStyle = `rgba(${rgb.join(', ')}, ${alpha})`
|
||||
context.current.fill()
|
||||
context.current.setTransform(dpr, 0, 0, dpr, 0, 0)
|
||||
|
||||
if (!update) {
|
||||
circles.current.push(circle)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
const clearContext = () => {
|
||||
if (context.current) {
|
||||
context.current.clearRect(
|
||||
0,
|
||||
0,
|
||||
canvasSize.current.w,
|
||||
canvasSize.current.h,
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
const drawParticles = () => {
|
||||
clearContext()
|
||||
const particleCount = quantity
|
||||
for (let i = 0; i < particleCount; i++) {
|
||||
const circle = circleParams()
|
||||
drawCircle(circle)
|
||||
}
|
||||
}
|
||||
|
||||
const remapValue = (
|
||||
value: number,
|
||||
start1: number,
|
||||
end1: number,
|
||||
start2: number,
|
||||
end2: number,
|
||||
): number => {
|
||||
const remapped
|
||||
= ((value - start1) * (end2 - start2)) / (end1 - start1) + start2
|
||||
return remapped > 0 ? remapped : 0
|
||||
}
|
||||
|
||||
const animate = () => {
|
||||
clearContext()
|
||||
circles.current.forEach((circle: Circle, i: number) => {
|
||||
// Handle the alpha value
|
||||
const edge = [
|
||||
circle.x + circle.translateX - circle.size, // distance from left edge
|
||||
canvasSize.current.w - circle.x - circle.translateX - circle.size, // distance from right edge
|
||||
circle.y + circle.translateY - circle.size, // distance from top edge
|
||||
canvasSize.current.h - circle.y - circle.translateY - circle.size, // distance from bottom edge
|
||||
]
|
||||
const closestEdge = edge.reduce((a, b) => Math.min(a, b))
|
||||
const remapClosestEdge = Number.parseFloat(
|
||||
remapValue(closestEdge, 0, 20, 0, 1).toFixed(2),
|
||||
)
|
||||
if (remapClosestEdge > 1) {
|
||||
circle.alpha += 0.02
|
||||
if (circle.alpha > circle.targetAlpha) {
|
||||
circle.alpha = circle.targetAlpha
|
||||
}
|
||||
}
|
||||
else {
|
||||
circle.alpha = circle.targetAlpha * remapClosestEdge
|
||||
}
|
||||
circle.x += circle.dx + vx
|
||||
circle.y += circle.dy + vy
|
||||
circle.translateX
|
||||
+= (mouse.current.x / (staticity / circle.magnetism) - circle.translateX)
|
||||
/ ease
|
||||
circle.translateY
|
||||
+= (mouse.current.y / (staticity / circle.magnetism) - circle.translateY)
|
||||
/ ease
|
||||
|
||||
drawCircle(circle, true)
|
||||
|
||||
// circle gets out of the canvas
|
||||
if (
|
||||
circle.x < -circle.size
|
||||
|| circle.x > canvasSize.current.w + circle.size
|
||||
|| circle.y < -circle.size
|
||||
|| circle.y > canvasSize.current.h + circle.size
|
||||
) {
|
||||
// remove the circle from the array
|
||||
circles.current.splice(i, 1)
|
||||
// create a new circle
|
||||
const newCircle = circleParams()
|
||||
drawCircle(newCircle)
|
||||
// update the circle position
|
||||
}
|
||||
})
|
||||
window.requestAnimationFrame(animate)
|
||||
}
|
||||
|
||||
return (
|
||||
<div className={className} ref={canvasContainerRef} aria-hidden="true">
|
||||
<canvas ref={canvasRef} className="size-full" />
|
||||
</div>
|
||||
)
|
||||
}
|
||||
|
||||
export default Particles
|
||||
Reference in New Issue
Block a user