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349 | import * as THREE from 'three'
import { OrbitControls } from 'three/examples/jsm/controls/OrbitControls'
import Stats from 'three/examples/jsm/libs/stats.module'
import { GUI } from 'dat.gui'
import * as CANNON from 'cannon-es'
import CannonUtils from './utils/cannonUtils'
import { OBJLoader } from 'three/examples/jsm/loaders/OBJLoader'
import { RGBELoader } from 'three/examples/jsm/loaders/RGBELoader'
const scene = new THREE.Scene()
new RGBELoader().load(
'img/kloppenheim_06_puresky_1k.hdr',
function (texture) {
texture.mapping = THREE.EquirectangularReflectionMapping
scene.environment = texture
}
)
const camera = new THREE.PerspectiveCamera(
75,
window.innerWidth / window.innerHeight,
0.1,
1000
)
camera.position.set(-10, 4, 14)
const renderer = new THREE.WebGLRenderer({ antialias: true })
renderer.setSize(window.innerWidth, window.innerHeight)
document.body.appendChild(renderer.domElement)
const controls = new OrbitControls(camera, renderer.domElement)
controls.screenSpacePanning = true
controls.target.y = 5
const world = new CANNON.World()
world.gravity.set(0, -9.82, 0)
const railMaterial = new THREE.MeshPhysicalMaterial()
railMaterial.color = new THREE.Color('#ffffff')
railMaterial.roughness = 0
railMaterial.metalness = 1
railMaterial.clearcoat = 1
railMaterial.clearcoatRoughness = 1
const inverseSphereMaterial = new THREE.MeshPhysicalMaterial({
color: 0xffffff,
metalness: 0,
roughness: 0.35,
transmission: 1.0,
clearcoat: 1.0,
clearcoatRoughness: 0.35,
ior: 1.05,
thickness: 5,
})
const ballMaterial = [
new THREE.MeshPhysicalMaterial({
map: new THREE.TextureLoader().load('img/1-ball.jpg'),
roughness: 0.88,
metalness: 1.0,
clearcoat: 0.3,
clearcoatRoughness: 0.15,
}),
new THREE.MeshPhysicalMaterial({
map: new THREE.TextureLoader().load('img/2-ball.jpg'),
roughness: 0.88,
metalness: 1.0,
clearcoat: 0.3,
clearcoatRoughness: 0.15,
}),
new THREE.MeshPhysicalMaterial({
map: new THREE.TextureLoader().load('img/3-ball.jpg'),
roughness: 0.88,
metalness: 1.0,
clearcoat: 0.3,
clearcoatRoughness: 0.15,
}),
new THREE.MeshPhysicalMaterial({
map: new THREE.TextureLoader().load('img/4-ball.jpg'),
roughness: 0.88,
metalness: 1.0,
clearcoat: 0.3,
clearcoatRoughness: 0.15,
}),
new THREE.MeshPhysicalMaterial({
map: new THREE.TextureLoader().load('img/5-ball.jpg'),
roughness: 0.88,
metalness: 1.0,
clearcoat: 0.3,
clearcoatRoughness: 0.15,
}),
new THREE.MeshPhysicalMaterial({
map: new THREE.TextureLoader().load('img/6-ball.jpg'),
roughness: 0.88,
metalness: 1.0,
clearcoat: 0.3,
clearcoatRoughness: 0.15,
}),
new THREE.MeshPhysicalMaterial({
map: new THREE.TextureLoader().load('img/7-ball.jpg'),
roughness: 0.88,
metalness: 1.0,
clearcoat: 0.3,
clearcoatRoughness: 0.15,
}),
new THREE.MeshPhysicalMaterial({
map: new THREE.TextureLoader().load('img/8-ball.jpg'),
roughness: 0.88,
metalness: 1.0,
clearcoat: 0.3,
clearcoatRoughness: 0.15,
}),
new THREE.MeshPhysicalMaterial({
map: new THREE.TextureLoader().load('img/9-ball.jpg'),
roughness: 0.88,
metalness: 1.0,
clearcoat: 0.3,
clearcoatRoughness: 0.15,
}),
new THREE.MeshPhysicalMaterial({
map: new THREE.TextureLoader().load('img/10-ball.jpg'),
roughness: 0.88,
metalness: 1.0,
clearcoat: 0.3,
clearcoatRoughness: 0.15,
}),
]
const positions = [
[-2, 3, 0],
[0, 3, 0],
[2, 3, 0],
[0, 3, -2],
[0, 3, 2],
[-2, 6, 0],
[0.5, 8, 0.5],
[2, 6, 0],
[0, 6, -2],
[0, 6, 2],
]
const sphereMesh: THREE.Mesh[] = new Array()
const sphereBody: CANNON.Body[] = new Array()
for (let i = 0; i < 10; i++) {
const sphereGeometry = new THREE.SphereGeometry(1, 16, 16)
sphereMesh.push(new THREE.Mesh(sphereGeometry, ballMaterial[i]))
sphereMesh[i].position.x = positions[i][0]
sphereMesh[i].position.y = positions[i][1]
sphereMesh[i].position.z = positions[i][2]
scene.add(sphereMesh[i])
const sphereShape = new CANNON.Sphere(1)
sphereBody.push(new CANNON.Body({ mass: 1 }))
sphereBody[i].addShape(sphereShape)
sphereBody[i].position.x = sphereMesh[i].position.x
sphereBody[i].position.y = sphereMesh[i].position.y
sphereBody[i].position.z = sphereMesh[i].position.z
world.addBody(sphereBody[i])
}
let inverseSphere: THREE.Object3D
let inverseSphereBody: CANNON.Body
let innerRail: THREE.Object3D
let outerRail: THREE.Object3D
let modelLoaded = false
const objLoader = new OBJLoader()
objLoader.load(
'models/inverseSphere4.obj',
(object) => {
object.traverse(function (child) {
if ((child as THREE.Mesh).isMesh) {
if (child.name.startsWith('sphere')) {
inverseSphere = child
;(inverseSphere as THREE.Mesh).material =
inverseSphereMaterial
inverseSphere.position.x = 0
inverseSphere.position.y = 5
const constraintBody = new CANNON.Body({ mass: 0 })
constraintBody.addShape(new CANNON.Sphere(0.01))
constraintBody.position.set(0, 5, 0)
world.addBody(constraintBody)
const shape = CannonUtils.CreateTrimesh(
(inverseSphere as THREE.Mesh).geometry
)
inverseSphereBody = new CANNON.Body({ mass: 100 })
inverseSphereBody.addShape(shape)
inverseSphereBody.position.x = inverseSphere.position.x
inverseSphereBody.position.y = inverseSphere.position.y
inverseSphereBody.position.z = inverseSphere.position.z
world.addBody(inverseSphereBody)
const c = new CANNON.PointToPointConstraint(
constraintBody,
new CANNON.Vec3(0, 0, 0),
inverseSphereBody,
new CANNON.Vec3(0, 0, 0)
)
world.addConstraint(c)
} else if (child.name.startsWith('outerRail_')) {
outerRail = child
;(outerRail as THREE.Mesh).material = railMaterial
outerRail.position.y = 5
const outerRailShape = CannonUtils.CreateTrimesh(
(outerRail as THREE.Mesh).geometry
)
const outerRailBody = new CANNON.Body({ mass: 0 })
outerRailBody.addShape(outerRailShape)
outerRailBody.position.set(0, 5, 0)
world.addBody(outerRailBody)
} else if (child.name.startsWith('innerRail_')) {
innerRail = child
;(innerRail as THREE.Mesh).material = railMaterial
innerRail.position.y = 5
const innerRailShape = CannonUtils.CreateTrimesh(
(innerRail as THREE.Mesh).geometry
)
inverseSphereBody.addShape(innerRailShape)
}
}
})
scene.add(inverseSphere)
scene.add(outerRail)
scene.add(innerRail)
modelLoaded = true
},
(xhr) => {
console.log((xhr.loaded / xhr.total) * 100 + '% loaded')
},
(error) => {
console.log(error)
}
)
const planeGeometry = new THREE.PlaneGeometry(25, 25)
const planeMesh = new THREE.Mesh(
planeGeometry,
new THREE.MeshStandardMaterial()
)
planeMesh.rotateX(-Math.PI / 2)
scene.add(planeMesh)
window.addEventListener('resize', onWindowResize, false)
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight
camera.updateProjectionMatrix()
renderer.setSize(window.innerWidth, window.innerHeight)
render()
}
const stats = new Stats()
document.body.appendChild(stats.dom)
const gui = new GUI()
const physicsFolder = gui.addFolder('Physics')
physicsFolder.add(world.gravity, 'x', -10.0, 10.0, 0.1)
physicsFolder.add(world.gravity, 'y', -10.0, 10.0, 0.1)
physicsFolder.add(world.gravity, 'z', -10.0, 10.0, 0.1)
const inverseSphereMaterialFolder = gui.addFolder('InverseSphereMaterial')
inverseSphereMaterialFolder.add(inverseSphereMaterial, 'roughness', 0, 1, 0.01)
inverseSphereMaterialFolder.add(inverseSphereMaterial, 'metalness', 0, 1, 0.01)
inverseSphereMaterialFolder.add(inverseSphereMaterial, 'clearcoat', 0, 1, 0.01)
inverseSphereMaterialFolder.add(
inverseSphereMaterial,
'clearcoatRoughness',
0,
1,
0.01
)
inverseSphereMaterialFolder.add(
inverseSphereMaterial,
'transmission',
0,
1,
0.01
)
inverseSphereMaterialFolder.add(inverseSphereMaterial, 'ior', 1, 2.4, 0.01)
inverseSphereMaterialFolder.add(inverseSphereMaterial, 'thickness', 0, 10, 0.01)
inverseSphereMaterialFolder.open()
const railMaterialFolder = gui.addFolder('RailMaterial')
railMaterialFolder.add(railMaterial, 'roughness', 0.0, 1.0, 0.01)
railMaterialFolder.add(railMaterial, 'metalness', 0, 1, 0.01)
railMaterialFolder.add(railMaterial, 'clearcoat', 0, 1, 0.01)
railMaterialFolder.add(railMaterial, 'clearcoatRoughness', 0, 1, 0.01)
const clock = new THREE.Clock()
let delta
function animate() {
requestAnimationFrame(animate)
controls.update()
delta = clock.getDelta() * 2
if (delta > 0.1) delta = 0.1
world.step(delta)
for (let i = 0; i < 10; i++) {
sphereMesh[i].position.set(
sphereBody[i].position.x,
sphereBody[i].position.y,
sphereBody[i].position.z
)
sphereMesh[i].quaternion.set(
sphereBody[i].quaternion.x,
sphereBody[i].quaternion.y,
sphereBody[i].quaternion.z,
sphereBody[i].quaternion.w
)
}
if (modelLoaded) {
inverseSphereBody.angularVelocity.set(0, 0, -0.5)
inverseSphere.position.set(
inverseSphereBody.position.x,
inverseSphereBody.position.y,
inverseSphereBody.position.z
)
inverseSphere.quaternion.set(
inverseSphereBody.quaternion.x,
inverseSphereBody.quaternion.y,
inverseSphereBody.quaternion.z,
inverseSphereBody.quaternion.w
)
innerRail.position.set(
inverseSphereBody.position.x,
inverseSphereBody.position.y,
inverseSphereBody.position.z
)
innerRail.quaternion.set(
inverseSphereBody.quaternion.x,
inverseSphereBody.quaternion.y,
inverseSphereBody.quaternion.z,
inverseSphereBody.quaternion.w
)
}
render()
stats.update()
}
function render() {
renderer.render(scene, camera)
}
animate()
|