{"name":"Waves","title":"Waves","description":"Layered lines that form smooth wave patterns with animation.","type":"registry:component","add":"when-added","files":[{"type":"registry:component","role":"file","content":"<template>\n  <div\n    ref=\"containerRef\"\n    :class=\"className\"\n    :style=\"{ backgroundColor, ...style }\"\n    class=\"absolute top-0 left-0 w-full h-full overflow-hidden\"\n  >\n    <div\n      class=\"absolute top-0 left-0 bg-[#160000] rounded-full w-[0.5rem] h-[0.5rem]\"\n      :style=\"{\n        transform: 'translate3d(calc(var(--x) - 50%), calc(var(--y) - 50%), 0)',\n        willChange: 'transform'\n      }\"\n    />\n\n    <canvas ref=\"canvasRef\" class=\"block w-full h-full\" />\n  </div>\n</template>\n\n<script setup lang=\"ts\">\nimport { onMounted, onUnmounted, watch, type CSSProperties, useTemplateRef } from 'vue';\n\nclass Grad {\n  x: number;\n  y: number;\n  z: number;\n\n  constructor(x: number, y: number, z: number) {\n    this.x = x;\n    this.y = y;\n    this.z = z;\n  }\n\n  dot2(x: number, y: number): number {\n    return this.x * x + this.y * y;\n  }\n}\n\nclass Noise {\n  grad3: Grad[];\n  p: number[];\n  perm: number[];\n  gradP: Grad[];\n\n  constructor(seed = 0) {\n    this.grad3 = [\n      new Grad(1, 1, 0),\n      new Grad(-1, 1, 0),\n      new Grad(1, -1, 0),\n      new Grad(-1, -1, 0),\n      new Grad(1, 0, 1),\n      new Grad(-1, 0, 1),\n      new Grad(1, 0, -1),\n      new Grad(-1, 0, -1),\n      new Grad(0, 1, 1),\n      new Grad(0, -1, 1),\n      new Grad(0, 1, -1),\n      new Grad(0, -1, -1)\n    ];\n\n    this.p = [\n      151, 160, 137, 91, 90, 15, 131, 13, 201, 95, 96, 53, 194, 233, 7, 225, 140, 36, 103, 30, 69, 142, 8, 99, 37, 240,\n      21, 10, 23, 190, 6, 148, 247, 120, 234, 75, 0, 26, 197, 62, 94, 252, 219, 203, 117, 35, 11, 32, 57, 177, 33, 88,\n      237, 149, 56, 87, 174, 20, 125, 136, 171, 168, 68, 175, 74, 165, 71, 134, 139, 48, 27, 166, 77, 146, 158, 231, 83,\n      111, 229, 122, 60, 211, 133, 230, 220, 105, 92, 41, 55, 46, 245, 40, 244, 102, 143, 54, 65, 25, 63, 161, 1, 216,\n      80, 73, 209, 76, 132, 187, 208, 89, 18, 169, 200, 196, 135, 130, 116, 188, 159, 86, 164, 100, 109, 198, 173, 186,\n      3, 64, 52, 217, 226, 250, 124, 123, 5, 202, 38, 147, 118, 126, 255, 82, 85, 212, 207, 206, 59, 227, 47, 16, 58,\n      17, 182, 189, 28, 42, 223, 183, 170, 213, 119, 248, 152, 2, 44, 154, 163, 70, 221, 153, 101, 155, 167, 43, 172, 9,\n      129, 22, 39, 253, 19, 98, 108, 110, 79, 113, 224, 232, 178, 185, 112, 104, 218, 246, 97, 228, 251, 34, 242, 193,\n      238, 210, 144, 12, 191, 179, 162, 241, 81, 51, 145, 235, 249, 14, 239, 107, 49, 192, 214, 31, 181, 199, 106, 157,\n      184, 84, 204, 176, 115, 121, 50, 45, 127, 4, 150, 254, 138, 236, 205, 93, 222, 114, 67, 29, 24, 72, 243, 141, 128,\n      195, 78, 66, 215, 61, 156, 180\n    ];\n\n    this.perm = new Array(512);\n    this.gradP = new Array(512);\n    this.seed(seed);\n  }\n\n  seed(seed: number) {\n    if (seed > 0 && seed < 1) seed *= 65536;\n    seed = Math.floor(seed);\n    if (seed < 256) seed |= seed << 8;\n\n    for (let i = 0; i < 256; i++) {\n      const v = i & 1 ? this.p[i] ^ (seed & 255) : this.p[i] ^ ((seed >> 8) & 255);\n      this.perm[i] = this.perm[i + 256] = v;\n      this.gradP[i] = this.gradP[i + 256] = this.grad3[v % 12];\n    }\n  }\n\n  fade(t: number): number {\n    return t * t * t * (t * (t * 6 - 15) + 10);\n  }\n\n  lerp(a: number, b: number, t: number): number {\n    return (1 - t) * a + t * b;\n  }\n\n  perlin2(x: number, y: number): number {\n    let X = Math.floor(x),\n      Y = Math.floor(y);\n    x -= X;\n    y -= Y;\n    X &= 255;\n    Y &= 255;\n\n    const n00 = this.gradP[X + this.perm[Y]].dot2(x, y);\n    const n01 = this.gradP[X + this.perm[Y + 1]].dot2(x, y - 1);\n    const n10 = this.gradP[X + 1 + this.perm[Y]].dot2(x - 1, y);\n    const n11 = this.gradP[X + 1 + this.perm[Y + 1]].dot2(x - 1, y - 1);\n    const u = this.fade(x);\n\n    return this.lerp(this.lerp(n00, n10, u), this.lerp(n01, n11, u), this.fade(y));\n  }\n}\n\ninterface Point {\n  x: number;\n  y: number;\n  wave: { x: number; y: number };\n  cursor: { x: number; y: number; vx: number; vy: number };\n}\n\ninterface Mouse {\n  x: number;\n  y: number;\n  lx: number;\n  ly: number;\n  sx: number;\n  sy: number;\n  v: number;\n  vs: number;\n  a: number;\n  set: boolean;\n}\n\ninterface Config {\n  lineColor: string;\n  waveSpeedX: number;\n  waveSpeedY: number;\n  waveAmpX: number;\n  waveAmpY: number;\n  friction: number;\n  tension: number;\n  maxCursorMove: number;\n  xGap: number;\n  yGap: number;\n}\n\ninterface WavesProps {\n  lineColor?: string;\n  backgroundColor?: string;\n  waveSpeedX?: number;\n  waveSpeedY?: number;\n  waveAmpX?: number;\n  waveAmpY?: number;\n  xGap?: number;\n  yGap?: number;\n  friction?: number;\n  tension?: number;\n  maxCursorMove?: number;\n  style?: CSSProperties;\n  className?: string;\n}\n\nconst props = withDefaults(defineProps<WavesProps>(), {\n  lineColor: 'black',\n  backgroundColor: 'transparent',\n  waveSpeedX: 0.0125,\n  waveSpeedY: 0.005,\n  waveAmpX: 32,\n  waveAmpY: 16,\n  xGap: 10,\n  yGap: 32,\n  friction: 0.925,\n  tension: 0.005,\n  maxCursorMove: 100,\n  style: () => ({}),\n  className: ''\n});\n\nconst containerRef = useTemplateRef<HTMLDivElement>('containerRef');\nconst canvasRef = useTemplateRef<HTMLCanvasElement>('canvasRef');\n\nlet ctx: CanvasRenderingContext2D | null = null;\nlet bounding = { width: 0, height: 0, left: 0, top: 0 };\nlet noise: Noise | null = null;\nlet lines: Point[][] = [];\nconst mouse: Mouse = {\n  x: -10,\n  y: 0,\n  lx: 0,\n  ly: 0,\n  sx: 0,\n  sy: 0,\n  v: 0,\n  vs: 0,\n  a: 0,\n  set: false\n};\nlet config: Config = {\n  lineColor: props.lineColor,\n  waveSpeedX: props.waveSpeedX,\n  waveSpeedY: props.waveSpeedY,\n  waveAmpX: props.waveAmpX,\n  waveAmpY: props.waveAmpY,\n  friction: props.friction,\n  tension: props.tension,\n  maxCursorMove: props.maxCursorMove,\n  xGap: props.xGap,\n  yGap: props.yGap\n};\nlet frameId: number | null = null;\n\nconst setSize = () => {\n  const container = containerRef.value;\n  const canvas = canvasRef.value;\n  if (!container || !canvas) return;\n\n  const rect = container.getBoundingClientRect();\n  bounding = {\n    width: rect.width,\n    height: rect.height,\n    left: rect.left,\n    top: rect.top\n  };\n  canvas.width = rect.width;\n  canvas.height = rect.height;\n};\n\nconst setLines = () => {\n  const { width, height } = bounding;\n  lines = [];\n  const oWidth = width + 200,\n    oHeight = height + 30;\n  const { xGap, yGap } = config;\n  const totalLines = Math.ceil(oWidth / xGap);\n  const totalPoints = Math.ceil(oHeight / yGap);\n  const xStart = (width - xGap * totalLines) / 2;\n  const yStart = (height - yGap * totalPoints) / 2;\n\n  for (let i = 0; i <= totalLines; i++) {\n    const pts: Point[] = [];\n    for (let j = 0; j <= totalPoints; j++) {\n      pts.push({\n        x: xStart + xGap * i,\n        y: yStart + yGap * j,\n        wave: { x: 0, y: 0 },\n        cursor: { x: 0, y: 0, vx: 0, vy: 0 }\n      });\n    }\n    lines.push(pts);\n  }\n};\n\nconst movePoints = (time: number) => {\n  if (!noise) return;\n\n  const { waveSpeedX, waveSpeedY, waveAmpX, waveAmpY, friction, tension, maxCursorMove } = config;\n\n  lines.forEach(pts => {\n    pts.forEach(p => {\n      const move = noise!.perlin2((p.x + time * waveSpeedX) * 0.002, (p.y + time * waveSpeedY) * 0.0015) * 12;\n      p.wave.x = Math.cos(move) * waveAmpX;\n      p.wave.y = Math.sin(move) * waveAmpY;\n\n      const dx = p.x - mouse.sx,\n        dy = p.y - mouse.sy;\n      const dist = Math.hypot(dx, dy);\n      const l = Math.max(175, mouse.vs);\n      if (dist < l) {\n        const s = 1 - dist / l;\n        const f = Math.cos(dist * 0.001) * s;\n        p.cursor.vx += Math.cos(mouse.a) * f * l * mouse.vs * 0.00065;\n        p.cursor.vy += Math.sin(mouse.a) * f * l * mouse.vs * 0.00065;\n      }\n\n      p.cursor.vx += (0 - p.cursor.x) * tension;\n      p.cursor.vy += (0 - p.cursor.y) * tension;\n      p.cursor.vx *= friction;\n      p.cursor.vy *= friction;\n      p.cursor.x += p.cursor.vx * 2;\n      p.cursor.y += p.cursor.vy * 2;\n      p.cursor.x = Math.min(maxCursorMove, Math.max(-maxCursorMove, p.cursor.x));\n      p.cursor.y = Math.min(maxCursorMove, Math.max(-maxCursorMove, p.cursor.y));\n    });\n  });\n};\n\nconst moved = (point: Point, withCursor = true): { x: number; y: number } => {\n  const x = point.x + point.wave.x + (withCursor ? point.cursor.x : 0);\n  const y = point.y + point.wave.y + (withCursor ? point.cursor.y : 0);\n  return { x: Math.round(x * 10) / 10, y: Math.round(y * 10) / 10 };\n};\n\nconst drawLines = () => {\n  const { width, height } = bounding;\n  if (!ctx) return;\n\n  ctx.clearRect(0, 0, width, height);\n  ctx.beginPath();\n  ctx.strokeStyle = config.lineColor;\n\n  lines.forEach(points => {\n    let p1 = moved(points[0], false);\n    ctx!.moveTo(p1.x, p1.y);\n    points.forEach((p, idx) => {\n      const isLast = idx === points.length - 1;\n      p1 = moved(p, !isLast);\n      const p2 = moved(points[idx + 1] || points[points.length - 1], !isLast);\n      ctx!.lineTo(p1.x, p1.y);\n      if (isLast) ctx!.moveTo(p2.x, p2.y);\n    });\n  });\n  ctx.stroke();\n};\n\nconst tick = (t: number) => {\n  const container = containerRef.value;\n  if (!container) return;\n\n  mouse.sx += (mouse.x - mouse.sx) * 0.1;\n  mouse.sy += (mouse.y - mouse.sy) * 0.1;\n  const dx = mouse.x - mouse.lx,\n    dy = mouse.y - mouse.ly;\n  const d = Math.hypot(dx, dy);\n  mouse.v = d;\n  mouse.vs += (d - mouse.vs) * 0.1;\n  mouse.vs = Math.min(100, mouse.vs);\n  mouse.lx = mouse.x;\n  mouse.ly = mouse.y;\n  mouse.a = Math.atan2(dy, dx);\n  container.style.setProperty('--x', `${mouse.sx}px`);\n  container.style.setProperty('--y', `${mouse.sy}px`);\n\n  movePoints(t);\n  drawLines();\n  frameId = requestAnimationFrame(tick);\n};\n\nconst onResize = () => {\n  setSize();\n  setLines();\n};\n\nconst updateMouse = (x: number, y: number) => {\n  mouse.x = x - bounding.left;\n  mouse.y = y - bounding.top;\n  if (!mouse.set) {\n    mouse.sx = mouse.x;\n    mouse.sy = mouse.y;\n    mouse.lx = mouse.x;\n    mouse.ly = mouse.y;\n    mouse.set = true;\n  }\n};\n\nconst onMouseMove = (e: MouseEvent) => {\n  updateMouse(e.clientX, e.clientY);\n};\n\nconst onTouchMove = (e: TouchEvent) => {\n  const touch = e.touches[0];\n  updateMouse(touch.clientX, touch.clientY);\n};\n\nonMounted(() => {\n  const canvas = canvasRef.value;\n  const container = containerRef.value;\n  if (!canvas || !container) return;\n\n  ctx = canvas.getContext('2d');\n  noise = new Noise(Math.random());\n\n  setSize();\n  setLines();\n  frameId = requestAnimationFrame(tick);\n\n  window.addEventListener('resize', onResize);\n  window.addEventListener('mousemove', onMouseMove);\n  window.addEventListener('touchmove', onTouchMove, { passive: false });\n});\n\nonUnmounted(() => {\n  window.removeEventListener('resize', onResize);\n  window.removeEventListener('mousemove', onMouseMove);\n  window.removeEventListener('touchmove', onTouchMove);\n  if (frameId !== null) {\n    cancelAnimationFrame(frameId);\n  }\n});\n\nwatch(\n  () => [\n    props.lineColor,\n    props.waveSpeedX,\n    props.waveSpeedY,\n    props.waveAmpX,\n    props.waveAmpY,\n    props.friction,\n    props.tension,\n    props.maxCursorMove,\n    props.xGap,\n    props.yGap\n  ],\n  () => {\n    config = {\n      lineColor: props.lineColor,\n      waveSpeedX: props.waveSpeedX,\n      waveSpeedY: props.waveSpeedY,\n      waveAmpX: props.waveAmpX,\n      waveAmpY: props.waveAmpY,\n      friction: props.friction,\n      tension: props.tension,\n      maxCursorMove: props.maxCursorMove,\n      xGap: props.xGap,\n      yGap: props.yGap\n    };\n  }\n);\n</script>\n","path":"Waves/Waves.vue","_imports_":[],"registryDependencies":[],"dependencies":[],"devDependencies":[]}],"registryDependencies":[],"dependencies":[],"devDependencies":[],"categories":["Backgrounds"]}