| | |
| | | |
| | | export default function SupplyChainAIMindMap() { |
| | | const canvasRef = useRef<HTMLCanvasElement>(null); |
| | | const nodesRef = useRef<Node[]>([ |
| | | { x: 0.15, y: 0.3, label: '采购', color: '#6ADBFF', icon: '📦' }, |
| | | { x: 0.35, y: 0.3, label: '生产', color: '#5E72EB', icon: '🏭' }, |
| | | { x: 0.65, y: 0.3, label: '配送', color: '#FF6A88', icon: '🚚' }, |
| | | { x: 0.85, y: 0.3, label: '客户', color: '#FF9D6A', icon: '👥' }, |
| | | { x: 0.85, y: 0.6, label: '需求预测', color: '#FF6A88', icon: '📊' }, |
| | | { x: 0.5, y: 0.5, label: '智能分析引擎', color: '#5E72EB', isAI: true }, |
| | | ]); |
| | | |
| | | useEffect(() => { |
| | | const canvas = canvasRef.current; |
| | |
| | | targetY: endY, |
| | | size: Math.random() * 2 + 1, |
| | | color: path.color, |
| | | speed: 0.5 + Math.random() * 1, |
| | | speed: 0.5 + Math.random() * 0.5, // 降低速度 |
| | | energy: 1, |
| | | phase: Math.random() * Math.PI * 2, |
| | | orbitRadius: Math.random() * 20 + 10, |
| | | orbitSpeed: (Math.random() * 0.1 + 0.05) * (Math.random() < 0.5 ? 1 : -1), |
| | | orbitRadius: Math.random() * 15 + 5, // 减小轨道半径 |
| | | orbitSpeed: (Math.random() * 0.08 + 0.03) * (Math.random() < 0.5 ? 1 : -1), // 降低轨道速度 |
| | | pathIndex, |
| | | lifespan: 0, |
| | | maxLifespan: 150 + Math.random() * 100 |
| | | maxLifespan: 150 + Math.random() * 50 // 减少最大寿命 |
| | | }; |
| | | |
| | | particles.push(particle); |
| | | |
| | | // 限制粒子总数,防止性能问题 |
| | | if (particles.length > 30) { |
| | | particles.shift(); |
| | | } |
| | | }; |
| | | |
| | | // 更新量子粒子 |
| | |
| | | |
| | | // 绘制场景 |
| | | const drawScene = () => { |
| | | if (!ctx) return; |
| | | |
| | | // 清除画布 |
| | | ctx.clearRect(0, 0, canvas.width, canvas.height); |
| | | |
| | | // 绘制科技感背景 |
| | | drawTechBackground(); |
| | | // 减少重复计算,预先计算常用值 |
| | | const canvasWidth = canvas.width; |
| | | const canvasHeight = canvas.height; |
| | | const time = Date.now() * 0.001; |
| | | |
| | | // 绘制技术背景 |
| | | drawTechBackground(ctx, canvasWidth, canvasHeight, time); |
| | | |
| | | // 绘制能量场路径 |
| | | drawEnergyFields(); |
| | |
| | | |
| | | // 绘制量子粒子 |
| | | drawQuantumParticles(); |
| | | |
| | | // 绘制AI节点 |
| | | const aiNode = nodesRef.current.find(node => node.isAI); |
| | | if (aiNode) { |
| | | drawAINode(aiNode.x * canvasWidth, aiNode.y * canvasHeight); |
| | | } |
| | | }; |
| | | |
| | | // 绘制科技感背景 |
| | | const drawTechBackground = () => { |
| | | const drawTechBackground = (ctx: CanvasRenderingContext2D, canvasWidth: number, canvasHeight: number, time: number) => { |
| | | const gridSize = 40; |
| | | const time = Date.now() * 0.001; |
| | | |
| | | // 绘制动态网格 |
| | | // 降低网格密度,仅绘制较少的线条 |
| | | ctx.strokeStyle = 'rgba(70, 130, 180, 0.05)'; |
| | | ctx.lineWidth = 0.5; |
| | | |
| | | for (let y = 0; y < canvas.height; y += gridSize) { |
| | | // 降低网格线频率 |
| | | for (let y = 0; y < canvasHeight; y += gridSize * 1.5) { |
| | | ctx.beginPath(); |
| | | ctx.moveTo(0, y); |
| | | ctx.lineTo(canvas.width, y); |
| | | ctx.lineTo(canvasWidth, y); |
| | | ctx.stroke(); |
| | | |
| | | // 添加波动效果 |
| | | // 对波动效果采样率降低 |
| | | ctx.beginPath(); |
| | | for (let x = 0; x < canvas.width; x += 5) { |
| | | const wave = Math.sin(x * 0.02 + time + y * 0.01) * 2; |
| | | for (let x = 0; x < canvasWidth; x += 10) { |
| | | const wave = Math.sin(x * 0.01 + time + y * 0.005) * 2; |
| | | ctx.lineTo(x, y + wave); |
| | | } |
| | | ctx.strokeStyle = 'rgba(70, 130, 180, 0.02)'; |
| | | ctx.stroke(); |
| | | } |
| | | |
| | | for (let x = 0; x < canvas.width; x += gridSize) { |
| | | for (let x = 0; x < canvasWidth; x += gridSize * 1.5) { |
| | | ctx.beginPath(); |
| | | ctx.moveTo(x, 0); |
| | | ctx.lineTo(x, canvas.height); |
| | | ctx.lineTo(x, canvasHeight); |
| | | ctx.strokeStyle = 'rgba(70, 130, 180, 0.05)'; |
| | | ctx.stroke(); |
| | | } |
| | | |
| | | // 添加随机光点 |
| | | for (let i = 0; i < 15; i++) { |
| | | const x = Math.random() * canvas.width; |
| | | const y = Math.random() * canvas.height; |
| | | const size = 2 + Math.sin(time * 2 + i) * 1; |
| | | // 减少光点数量 |
| | | for (let i = 0; i < 10; i++) { |
| | | const x = Math.random() * canvasWidth; |
| | | const y = Math.random() * canvasHeight; |
| | | const size = 2 + Math.sin(time * 1.5 + i) * 1; |
| | | |
| | | const gradient = ctx.createRadialGradient(x, y, 0, x, y, size * 2); |
| | | gradient.addColorStop(0, 'rgba(106, 219, 255, 0.2)'); |
| | |
| | | |
| | | // 绘制节点 |
| | | const drawNodes = () => { |
| | | // 节点配置 |
| | | const nodes: Node[] = [ |
| | | { x: 0.15, y: 0.3, label: '采购', color: '#6ADBFF', icon: '📦' }, |
| | | { x: 0.35, y: 0.3, label: '生产', color: '#5E72EB', icon: '🏭' }, |
| | | { x: 0.65, y: 0.3, label: '配送', color: '#FF6A88', icon: '🚚' }, |
| | | { x: 0.85, y: 0.3, label: '客户', color: '#FF9D6A', icon: '👥' }, |
| | | { x: 0.85, y: 0.6, label: '需求预测', color: '#FF6A88', icon: '📊' }, |
| | | { x: 0.5, y: 0.5, label: '智能分析引擎', color: '#5E72EB', isAI: true }, |
| | | ]; |
| | | |
| | | // 使用引用中的节点数据 |
| | | const nodes = nodesRef.current; |
| | | const time = Date.now() * 0.001; |
| | | |
| | | nodes.forEach(node => { |
| | |
| | | }); |
| | | }; |
| | | |
| | | // 初始化粒子系统 |
| | | // 初始化粒子 |
| | | const initParticles = () => { |
| | | for (let i = 0; i < 40; i++) { |
| | | // 减少初始粒子数量 |
| | | for (let i = 0; i < 20; i++) { |
| | | setTimeout(() => createQuantumParticle(), i * 100); |
| | | } |
| | | }; |
| | | |
| | | // 定期添加新粒子 |
| | | // 定期添加新粒子,降低频率 |
| | | const particleInterval = setInterval(() => { |
| | | if (particles.length < 50) { |
| | | if (particles.length < 30) { |
| | | createQuantumParticle(); |
| | | } |
| | | }, 500); |
| | | }, 800); |
| | | |
| | | // 动画循环 |
| | | const animate = () => { |
| | | let lastTime = 0; |
| | | const targetFPS = 30; // 降低目标FPS以提高性能 |
| | | const frameInterval = 1000 / targetFPS; |
| | | |
| | | const animate = (timestamp = 0) => { |
| | | const animationId = requestAnimationFrame(animate); |
| | | |
| | | // 限制帧率以提高性能 |
| | | const deltaTime = timestamp - lastTime; |
| | | if (deltaTime < frameInterval) { |
| | | return animationId; |
| | | } |
| | | |
| | | // 记录当前时间 |
| | | lastTime = timestamp - (deltaTime % frameInterval); |
| | | |
| | | // 更新和绘制 |
| | | updateParticles(); |
| | | drawScene(); |
| | | requestAnimationFrame(animate); |
| | | |
| | | return animationId; |
| | | }; |
| | | |
| | | initParticles(); |
| | | animate(); |
| | | const animationId = animate(); |
| | | |
| | | return () => { |
| | | window.removeEventListener('resize', setCanvasSize); |
| | | clearInterval(particleInterval); |
| | | // 清理动画帧 |
| | | cancelAnimationFrame(animationId); |
| | | }; |
| | | }, []); |
| | | |