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165 | import * as THREE from 'three'
import { OrbitControls } from 'three/examples/jsm/controls/OrbitControls'
import Stats from 'three/examples/jsm/libs/stats.module'
import { GLTFLoader } from 'three/examples/jsm/loaders/GLTFLoader'
import { CSG } from './utils/CSGMesh'
const scene = new THREE.Scene()
const gridHelper = new THREE.GridHelper(10, 10, 0xaec6cf, 0xaec6cf)
scene.add(gridHelper)
const light1 = new THREE.PointLight()
light1.position.set(5, 10, 5)
scene.add(light1)
const camera = new THREE.PerspectiveCamera(
75,
window.innerWidth / window.innerHeight,
0.1,
1000
)
camera.position.x = 0
camera.position.y = 3
camera.position.z = 3
const renderer = new THREE.WebGLRenderer()
renderer.setSize(window.innerWidth, window.innerHeight)
document.body.appendChild(renderer.domElement)
const controls = new OrbitControls(camera, renderer.domElement)
controls.enableDamping = true
controls.target.set(0, 1.5, 0)
const envTexture = new THREE.CubeTextureLoader().load([
'img/px_25.jpg',
'img/nx_25.jpg',
'img/py_25.jpg',
'img/ny_25.jpg',
'img/pz_25.jpg',
'img/nz_25.jpg'
])
envTexture.mapping = THREE.CubeReflectionMapping
const material = new THREE.MeshPhysicalMaterial({
color: 0xb2ffc8,
envMap: envTexture,
metalness: 0.5,
roughness: 0.1,
transparent: true,
opacity: 0.75,
//transmission: .9,
side: THREE.DoubleSide,
flatShading: true
})
const cubeMesh = new THREE.Mesh(
new THREE.BoxGeometry(1, 2, 2),
new THREE.MeshPhongMaterial({ color: 0xff0000 })
)
cubeMesh.position.set(-2, 1.5, -3)
scene.add(cubeMesh)
let modelsReady = false
let cubeMonkeyMeshIntersect: THREE.Mesh
let cubeMonkeyMeshSubtract: THREE.Mesh
let cubeMonkeyMeshUnion: THREE.Mesh
const loader = new GLTFLoader()
loader.load(
'models/monkey.glb',
function (gltf) {
gltf.scene.traverse(function (child) {
if ((child as THREE.Mesh).isMesh) {
if ((child as THREE.Mesh).name === 'Suzanne') {
const mesh = new THREE.Mesh(
(child as THREE.Mesh).geometry.clone(),
new THREE.MeshPhongMaterial({ color: 0x00ff00 })
)
mesh.position.set(2, 1.5, -3)
mesh.geometry.scale(1.15, 1.15, 1.15)
scene.add(mesh) //adding only the monkey mesh to the scene and ignoring everything else inside the gltf
const cubeCSG = CSG.fromGeometry(
cubeMesh.geometry.clone().translate(-0.5, 0, 0)
)
const monkeyMeshCSG = CSG.fromMesh(mesh)
const cubeMonkeyMeshIntersectCSG = cubeCSG.intersect(
monkeyMeshCSG.clone()
)
cubeMonkeyMeshIntersect = CSG.toMesh(
cubeMonkeyMeshIntersectCSG,
new THREE.Matrix4()
)
cubeMonkeyMeshIntersect.material = material
cubeMonkeyMeshIntersect.position.set(-3, 1.5, 0)
scene.add(cubeMonkeyMeshIntersect)
const cubeMonkeyMeshSubtractCSG = cubeCSG.subtract(
monkeyMeshCSG.clone()
)
cubeMonkeyMeshSubtract = CSG.toMesh(
cubeMonkeyMeshSubtractCSG,
new THREE.Matrix4()
)
cubeMonkeyMeshSubtract.material = material
cubeMonkeyMeshSubtract.position.set(0, 1.5, 0)
scene.add(cubeMonkeyMeshSubtract)
const cubeMonkeyMeshUnionCSG = cubeCSG.union(
monkeyMeshCSG.clone()
)
cubeMonkeyMeshUnion = CSG.toMesh(
cubeMonkeyMeshUnionCSG,
new THREE.Matrix4()
)
cubeMonkeyMeshUnion.material = material
cubeMonkeyMeshUnion.position.set(3, 1.5, 0)
scene.add(cubeMonkeyMeshUnion)
modelsReady = true
}
}
})
},
(xhr) => {
console.log((xhr.loaded / xhr.total) * 100 + '% loaded')
},
(error) => {
console.log(error)
}
)
window.addEventListener('resize', onWindowResize, false)
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight
camera.updateProjectionMatrix()
renderer.setSize(window.innerWidth, window.innerHeight)
}
const stats = Stats()
document.body.appendChild(stats.dom)
function animate() {
requestAnimationFrame(animate)
controls.update()
if (modelsReady) {
cubeMonkeyMeshIntersect.rotation.y += 0.005
cubeMonkeyMeshSubtract.rotation.y += 0.005
cubeMonkeyMeshUnion.rotation.y += 0.005
}
render()
stats.update()
}
function render() {
renderer.render(scene, camera)
}
animate()
|
