沿着曲线创建螺旋线

// prepare the renderer

let WIDTH
let HEIGHT
let aspectRatio = function() {
  return WIDTH / HEIGHT
}

const renderer = new THREE.WebGLRenderer({
  antialias: true,
  alpha: true
})
document.body.appendChild(renderer.domElement)

const camera = new THREE.PerspectiveCamera(32, aspectRatio(), 1, 1000)
camera.position.set(0, 0, 50)

function resize() {
  WIDTH = window.innerWidth
  HEIGHT = window.innerHeight
  renderer.setSize(WIDTH, HEIGHT)
  camera.aspect = aspectRatio()
  camera.updateProjectionMatrix()
}
resize()

window.addEventListener("resize", resize)

const scene = new THREE.Scene()

const light = new THREE.DirectionalLight(0xffffff, 1, Infinity)
light.position.set(0, 0, 1)
camera.add(light)

scene.add(camera)

// populate the scene

let group = new THREE.Group()
group.scale.set(5, 5, 5)
scene.add(group)

let curvePoints = []
let rad = Math.PI / 4
for (let i = -10; i <= 10; ++i) {
  curvePoints.push(new THREE.Vector3(i / 5, Math.sin(rad * i), Math.cos(rad * i)))
}
let curve = new THREE.CatmullRomCurve3(curvePoints)

let geoPoints = curve.getPoints(500);

let geo = new THREE.BufferGeometry().setFromPoints(geoPoints)
let mat = new THREE.LineBasicMaterial({
  color: "yellow"
})
let mesh = new THREE.Line(geo, mat)
group.add(mesh)

let dir = new THREE.Vector3()
let up = new THREE.Vector3(0, 1, 0)
let temp = new THREE.Vector3()
let amount = 0.25;
let innerHelixPoints = []
geoPoints.forEach(function(point, index, arr) {
  if (index > 0) {
    dir.subVectors(point, arr[index - 1])
    dir.normalize()
    temp.crossVectors(dir, up)
    temp.applyAxisAngle(dir, amount * index)
    temp.setLength(0.5)
    temp.add(arr[index - 1])
    innerHelixPoints.push(temp.clone())
  }
})

geo = new THREE.BufferGeometry().setFromPoints(innerHelixPoints)
mat = new THREE.LineBasicMaterial({
  color: "blue"
})
mesh = new THREE.Line(geo, mat)
group.add(mesh)

/* let geo = new THREE.BoxBufferGeometry(10, 10, 10)
let mat = new THREE.MeshLambertMaterial({
    color: "red"
})
let mesh = new THREE.Mesh(geo, mat)
scene.add(mesh) */

function updateObjects() {
  group.rotation.x += 0.001
  group.rotation.y += 0.002
}

// rendering functions

function render() {
  renderer.render(scene, camera)
}

let animationLoopId = null

function animationLoop() {
  animationLoopId = requestAnimationFrame(animationLoop)
  updateObjects()
  render()
}

animationLoop()

html,
body {
  padding: 0;
  margin: 0;
  overflow: hidden;
  background: slateGray;
}

<script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/93/three.js"></script>