TubeGeometry(管道缓冲几何体)

罗天旭小于 1 分钟约 287 字

TubeGeometry

class CustomSinCurve extends THREE.Curve {
    constructor(scale = 1) {
        super()
        this.scale = scale
    }
    getPoint(t, optionalTarget = new THREE.Vector3()) {
        const tx = t * 3 - 1.5
        const ty = Math.sin(2 * Math.PI * t)
        const tz = 0
        return optionalTarget.set(tx, ty, tz).multiplyScalar(this.scale)
    }
}
const path = new CustomSinCurve(10)
const geometry = new THREE.TubeGeometry(path, 20, 2, 8, false)
const material = new THREE.MeshBasicMaterial({ color: 0x00ff00 })
const mesh = new THREE.Mesh(geometry, material)
scene.add(mesh)