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269 | import * as THREE from 'three'
import { OrbitControls } from 'three/examples/jsm/controls/OrbitControls'
import Stats from 'three/examples/jsm/libs/stats.module'
import { TWEEN } from 'three/examples/jsm/libs/tween.module.min'
// For missing typescript definition error see https://sbcode.net/threejs/tween/
const scene = new THREE.Scene()
const spotLight = new THREE.SpotLight()
spotLight.position.set(5, 5, 5)
spotLight.angle = 0.3
spotLight.penumbra = 0.5
spotLight.castShadow = true
spotLight.shadow.mapSize.width = 512
spotLight.shadow.mapSize.height = 512
spotLight.shadow.bias = -0.001
spotLight.shadow.radius = 20
spotLight.shadow.blurSamples = 10
spotLight.shadow.camera.far = 15
scene.add(spotLight)
const camera = new THREE.PerspectiveCamera(
75,
window.innerWidth / window.innerHeight,
0.1,
100
)
camera.position.y = 2
camera.position.z = 4
// const helper = new THREE.CameraHelper(spotLight.shadow.camera)
// scene.add(helper)
const renderer = new THREE.WebGLRenderer({ antialias: true })
renderer.outputEncoding = THREE.sRGBEncoding
renderer.setSize(window.innerWidth, window.innerHeight)
renderer.shadowMap.enabled = true
renderer.shadowMap.type = THREE.VSMShadowMap
document.body.appendChild(renderer.domElement)
const controls = new OrbitControls(camera, renderer.domElement)
controls.enableDamping = true
const cube = new THREE.Mesh(
new THREE.BoxGeometry(),
new THREE.MeshPhysicalMaterial({ color: 0xff8800 })
)
cube.position.set(-2, 0, 0)
cube.castShadow = true
cube.userData.scaled = false
scene.add(cube)
const cylinder = new THREE.Mesh(
new THREE.CylinderGeometry(0.66, 0.66),
new THREE.MeshPhysicalMaterial({ color: 0x008800 })
)
cylinder.castShadow = true
cylinder.userData.scaled = false
scene.add(cylinder)
const pyramid = new THREE.Mesh(
new THREE.TetrahedronGeometry(),
new THREE.MeshPhysicalMaterial({ color: 0x0088ff })
)
pyramid.position.set(2, 0, 0)
pyramid.castShadow = true
pyramid.userData.scaled = false
scene.add(pyramid)
const texture = new THREE.TextureLoader().load('img/grid.png')
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
scene.environment = envTexture
const floor = new THREE.Mesh(
new THREE.PlaneGeometry(10, 10),
new THREE.MeshPhysicalMaterial()
) //{map:texture}))
floor.rotateX(-Math.PI / 2)
floor.position.y = -1.25
floor.receiveShadow = true
scene.add(floor)
const raycaster = new THREE.Raycaster()
let intersects: THREE.Intersection[]
const pickableObjects: THREE.Mesh[] = [cube, cylinder, pyramid]
let hoveredObject: null | THREE.Mesh = null
const wasHoveredObjects: THREE.Mesh[] = []
const originalMaterial = [
cube.material.clone(),
cylinder.material.clone(),
pyramid.material.clone(),
]
const highlightedMaterial = new THREE.MeshPhysicalMaterial({
color: 0xff2244,
reflectivity: 1.0,
map: texture,
})
document.addEventListener('mousemove', onDocumentMouseMove, false)
function onDocumentMouseMove(event: MouseEvent) {
raycaster.setFromCamera(
{
x: (event.clientX / renderer.domElement.clientWidth) * 2 - 1,
y: -(event.clientY / renderer.domElement.clientHeight) * 2 + 1,
},
camera
)
intersects = raycaster.intersectObjects(pickableObjects, false)
pickableObjects.forEach((o: THREE.Mesh, i) => {
if (wasHoveredObjects.includes(o)) {
wasHoveredObjects.splice(wasHoveredObjects.indexOf(o), 1)
//console.log(wasHoveredObjects)
new TWEEN.Tween((o.material as THREE.MeshPhysicalMaterial).color)
.to(
{
r: originalMaterial[i].color.r,
g: originalMaterial[i].color.g,
b: originalMaterial[i].color.b,
},
100
)
.start()
new TWEEN.Tween(o.material as THREE.MeshPhysicalMaterial)
.to(
{
thickness: 0,
roughness: 1,
clearcoat: 0,
transmission: 0,
ior: 1.5,
},
100
)
.start()
}
})
if (intersects.length) {
const o = intersects[0].object as THREE.Mesh
if (hoveredObject !== o) {
if (hoveredObject !== null) {
//currently something already hovered, so unhover it
wasHoveredObjects.push(hoveredObject)
}
hoveredObject = o
new TWEEN.Tween((o.material as THREE.MeshPhysicalMaterial).color)
.to(
{
r: highlightedMaterial.color.r,
g: highlightedMaterial.color.g,
b: highlightedMaterial.color.b,
},
100
)
.start()
new TWEEN.Tween(o.material as THREE.MeshPhysicalMaterial)
.to(
{
thickness: 3.0,
roughness: 0.1,
clearcoat: 0.1,
transmission: 0.99,
ior: 1.1,
},
100
)
.start()
}
} else {
// no intersects so nothing should be coloured as if hovered
if (hoveredObject !== null) {
wasHoveredObjects.push(hoveredObject)
hoveredObject = null
}
}
}
renderer.domElement.addEventListener('pointerdown', onClick, false)
function onClick(event: MouseEvent) {
raycaster.setFromCamera(
{
x: (event.clientX / renderer.domElement.clientWidth) * 2 - 1,
y: -(event.clientY / renderer.domElement.clientHeight) * 2 + 1,
},
camera
)
intersects = raycaster.intersectObjects(pickableObjects, false)
if (intersects.length) {
if (!intersects[0].object.userData.scaled) {
intersects[0].object.userData.scaled = true
new TWEEN.Tween((intersects[0].object as THREE.Mesh).scale)
.to(
{
x: 1.5,
y: 1.5,
z: 1.5,
},
250
)
.start()
} else {
intersects[0].object.userData.scaled = false
new TWEEN.Tween((intersects[0].object as THREE.Mesh).scale)
.to(
{
x: 1.0,
y: 1.0,
z: 1.0,
},
250
)
.start()
}
}
}
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)
function animate() {
requestAnimationFrame(animate)
cube.rotation.x += 0.01
cube.rotation.y += 0.01
cylinder.rotation.x += 0.01
cylinder.rotation.y += 0.01
pyramid.rotation.x += 0.01
pyramid.rotation.y += 0.01
controls.update()
//helper.update()
TWEEN.update()
render()
stats.update()
}
function render() {
renderer.render(scene, camera)
}
animate()
|