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205 | 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 'three/examples/jsm/libs/dat.gui.module'
const scene = new THREE.Scene()
scene.background = new THREE.Color(0x87ceeb)
const ambientLight = new THREE.AmbientLight(0xaaaaaa)
scene.add(ambientLight)
const light1 = new THREE.DirectionalLight()
light1.position.set(5, 10, 5)
light1.castShadow = true
light1.shadow.bias = -0.0002
light1.shadow.mapSize.height = 1024
light1.shadow.mapSize.width = 1024
light1.shadow.camera.left = -10
light1.shadow.camera.right = 10
light1.shadow.camera.top = 10
light1.shadow.camera.bottom = -10
scene.add(light1)
const camera = new THREE.PerspectiveCamera(
75,
window.innerWidth / window.innerHeight,
0.01,
100
)
camera.position.set(0, 8, 0)
const renderer = new THREE.WebGLRenderer()
renderer.setSize(window.innerWidth, window.innerHeight)
renderer.shadowMap.enabled = true
document.body.appendChild(renderer.domElement)
const orbitControls = new OrbitControls(camera, renderer.domElement)
orbitControls.enableDamping = true
const planeGeometry = new THREE.PlaneGeometry(25, 25)
const texture = new THREE.TextureLoader().load('img/grid.png')
const plane: THREE.Mesh = new THREE.Mesh(
planeGeometry,
new THREE.MeshPhongMaterial({ map: texture })
)
plane.rotateX(-Math.PI / 2)
plane.receiveShadow = true
scene.add(plane)
window.addEventListener('resize', onWindowResize, false)
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight
camera.updateProjectionMatrix()
renderer.setSize(window.innerWidth, window.innerHeight)
render()
}
const cubeRenderTarget1: THREE.WebGLCubeRenderTarget =
new THREE.WebGLCubeRenderTarget(128, {
format: THREE.RGBFormat,
generateMipmaps: true,
minFilter: THREE.LinearMipmapLinearFilter
})
const cubeRenderTarget2: THREE.WebGLCubeRenderTarget =
new THREE.WebGLCubeRenderTarget(128, {
format: THREE.RGBFormat,
generateMipmaps: true,
minFilter: THREE.LinearMipmapLinearFilter
})
const cubeRenderTarget3: THREE.WebGLCubeRenderTarget =
new THREE.WebGLCubeRenderTarget(128, {
format: THREE.RGBFormat,
generateMipmaps: true,
minFilter: THREE.LinearMipmapLinearFilter
})
const cubeCamera1: THREE.CubeCamera = new THREE.CubeCamera(
0.1,
1000,
cubeRenderTarget1
)
const cubeCamera2: THREE.CubeCamera = new THREE.CubeCamera(
0.1,
1000,
cubeRenderTarget2
)
const cubeCamera3: THREE.CubeCamera = new THREE.CubeCamera(
0.1,
1000,
cubeRenderTarget3
)
const pivot1 = new THREE.Object3D()
scene.add(pivot1)
const pivot2 = new THREE.Object3D()
scene.add(pivot2)
const pivot3 = new THREE.Object3D()
scene.add(pivot3)
const material1 = new THREE.MeshPhongMaterial({
shininess: 100,
color: 0xffffff,
specular: 0xffffff,
envMap: cubeRenderTarget1.texture,
refractionRatio: 0.5,
transparent: true,
side: THREE.BackSide,
combine: THREE.MixOperation
})
const material2 = new THREE.MeshPhongMaterial({
shininess: 100,
color: 0xffffff,
specular: 0xffffff,
envMap: cubeRenderTarget2.texture,
refractionRatio: 0.5,
transparent: true,
side: THREE.BackSide,
combine: THREE.MixOperation
})
const material3 = new THREE.MeshPhongMaterial({
shininess: 100,
color: 0xffffff,
specular: 0xffffff,
envMap: cubeRenderTarget3.texture,
refractionRatio: 0.5,
transparent: true,
side: THREE.BackSide,
combine: THREE.MixOperation
})
cubeRenderTarget1.texture.mapping = THREE.CubeRefractionMapping
cubeRenderTarget2.texture.mapping = THREE.CubeRefractionMapping
cubeRenderTarget3.texture.mapping = THREE.CubeRefractionMapping
const ball1 = new THREE.Mesh(new THREE.SphereGeometry(1, 32, 32), material1)
ball1.position.set(1, 1.1, 0)
ball1.castShadow = true
ball1.receiveShadow = true
ball1.add(cubeCamera1)
pivot1.add(ball1)
const ball2 = new THREE.Mesh(new THREE.SphereGeometry(1, 32, 32), material2)
ball2.position.set(3.1, 1.1, 0)
ball2.castShadow = true
ball2.receiveShadow = true
ball2.add(cubeCamera2)
pivot2.add(ball2)
const ball3 = new THREE.Mesh(new THREE.SphereGeometry(1, 32, 32), material3)
ball3.position.set(5.2, 1.1, 0)
ball3.castShadow = true
ball3.receiveShadow = true
ball3.add(cubeCamera3)
pivot3.add(ball3)
const data = { refractionRatio: 0 }
const gui = new GUI()
const refractionFolder = gui.addFolder('Refraction')
refractionFolder
.add(data, 'refractionRatio', 0, 1, 0.01)
.onChange((v: number) => {
material1.refractionRatio = v
material2.refractionRatio = v
material3.refractionRatio = v
})
refractionFolder.open()
const stats = Stats()
document.body.appendChild(stats.dom)
const clock = new THREE.Clock()
function animate() {
requestAnimationFrame(animate)
const delta = clock.getDelta()
ball1.rotateY(-0.2 * delta)
pivot1.rotateY(0.2 * delta)
ball2.rotateY(-0.3 * delta)
pivot2.rotateY(0.3 * delta)
ball3.rotateY(-0.4 * delta)
pivot3.rotateY(0.4 * delta)
orbitControls.update()
render()
stats.update()
}
function render() {
ball1.visible = false
cubeCamera1.update(renderer, scene)
ball1.visible = true
ball2.visible = false
cubeCamera2.update(renderer, scene)
ball2.visible = true
ball3.visible = false
cubeCamera3.update(renderer, scene)
ball3.visible = true
renderer.render(scene, camera)
}
animate()
|
