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| 1 | +import React, { useEffect, useState, useRef } from 'react' |
| 2 | +import clsx from 'clsx' |
| 3 | + |
| 4 | +interface ShootingStar { |
| 5 | + id: number |
| 6 | + x: number |
| 7 | + y: number |
| 8 | + angle: number |
| 9 | + scale: number |
| 10 | + speed: number |
| 11 | + distance: number |
| 12 | +} |
| 13 | + |
| 14 | +interface ShootingStarsProps { |
| 15 | + minSpeed?: number |
| 16 | + maxSpeed?: number |
| 17 | + minDelay?: number |
| 18 | + maxDelay?: number |
| 19 | + starColor?: string |
| 20 | + trailColor?: string |
| 21 | + starWidth?: number |
| 22 | + starHeight?: number |
| 23 | + className?: string |
| 24 | +} |
| 25 | + |
| 26 | +const getRandomStartPoint = () => { |
| 27 | + const side = Math.floor(Math.random() * 4) |
| 28 | + const offset = Math.random() * window.innerWidth |
| 29 | + |
| 30 | + switch (side) { |
| 31 | + case 0: |
| 32 | + return { x: offset, y: 0, angle: 45 } |
| 33 | + case 1: |
| 34 | + return { x: window.innerWidth, y: offset, angle: 135 } |
| 35 | + case 2: |
| 36 | + return { x: offset, y: window.innerHeight, angle: 225 } |
| 37 | + case 3: |
| 38 | + return { x: 0, y: offset, angle: 315 } |
| 39 | + default: |
| 40 | + return { x: 0, y: 0, angle: 45 } |
| 41 | + } |
| 42 | +} |
| 43 | +const ShootingStars: React.FC<ShootingStarsProps> = ({ |
| 44 | + minSpeed = 10, |
| 45 | + maxSpeed = 30, |
| 46 | + minDelay = 1200, |
| 47 | + maxDelay = 4200, |
| 48 | + starColor = '#9E00FF', |
| 49 | + trailColor = '#2EB9DF', |
| 50 | + starWidth = 10, |
| 51 | + starHeight = 1, |
| 52 | + className, |
| 53 | +}) => { |
| 54 | + const [star, setStar] = useState<ShootingStar | null>(null) |
| 55 | + const svgRef = useRef<SVGSVGElement>(null) |
| 56 | + |
| 57 | + useEffect(() => { |
| 58 | + const createStar = () => { |
| 59 | + const { x, y, angle } = getRandomStartPoint() |
| 60 | + const newStar: ShootingStar = { |
| 61 | + id: Date.now(), |
| 62 | + x, |
| 63 | + y, |
| 64 | + angle, |
| 65 | + scale: 1, |
| 66 | + speed: Math.random() * (maxSpeed - minSpeed) + minSpeed, |
| 67 | + distance: 0, |
| 68 | + } |
| 69 | + setStar(newStar) |
| 70 | + |
| 71 | + const randomDelay = Math.random() * (maxDelay - minDelay) + minDelay |
| 72 | + setTimeout(createStar, randomDelay) |
| 73 | + } |
| 74 | + |
| 75 | + createStar() |
| 76 | + |
| 77 | + return () => {} |
| 78 | + }, [minSpeed, maxSpeed, minDelay, maxDelay]) |
| 79 | + |
| 80 | + useEffect(() => { |
| 81 | + const moveStar = () => { |
| 82 | + if (star) { |
| 83 | + setStar((prevStar) => { |
| 84 | + if (!prevStar) return null |
| 85 | + const newX = prevStar.x + prevStar.speed * Math.cos((prevStar.angle * Math.PI) / 180) |
| 86 | + const newY = prevStar.y + prevStar.speed * Math.sin((prevStar.angle * Math.PI) / 180) |
| 87 | + const newDistance = prevStar.distance + prevStar.speed |
| 88 | + const newScale = 1 + newDistance / 100 |
| 89 | + if (newX < -20 || newX > window.innerWidth + 20 || newY < -20 || newY > window.innerHeight + 20) { |
| 90 | + return null |
| 91 | + } |
| 92 | + return { |
| 93 | + ...prevStar, |
| 94 | + x: newX, |
| 95 | + y: newY, |
| 96 | + distance: newDistance, |
| 97 | + scale: newScale, |
| 98 | + } |
| 99 | + }) |
| 100 | + } |
| 101 | + } |
| 102 | + |
| 103 | + const animationFrame = requestAnimationFrame(moveStar) |
| 104 | + return () => cancelAnimationFrame(animationFrame) |
| 105 | + }, [star]) |
| 106 | + |
| 107 | + return ( |
| 108 | + <svg ref={svgRef} className={clsx('absolute inset-0 h-full w-full', className)}> |
| 109 | + {star && ( |
| 110 | + <rect |
| 111 | + key={star.id} |
| 112 | + x={star.x} |
| 113 | + y={star.y} |
| 114 | + width={starWidth * star.scale} |
| 115 | + height={starHeight} |
| 116 | + fill="url(#gradient)" |
| 117 | + transform={`rotate(${star.angle}, ${star.x + (starWidth * star.scale) / 2}, ${star.y + starHeight / 2})`} |
| 118 | + /> |
| 119 | + )} |
| 120 | + <defs> |
| 121 | + <linearGradient id="gradient" x1="0%" y1="0%" x2="100%" y2="100%"> |
| 122 | + <stop offset="0%" style={{ stopColor: trailColor, stopOpacity: 0 }} /> |
| 123 | + <stop offset="100%" style={{ stopColor: starColor, stopOpacity: 1 }} /> |
| 124 | + </linearGradient> |
| 125 | + </defs> |
| 126 | + </svg> |
| 127 | + ) |
| 128 | +} |
| 129 | + |
| 130 | +export default ShootingStars |
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