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193 | 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'
const scene = new THREE.Scene()
scene.add(new THREE.AxesHelper(5))
const light = new THREE.DirectionalLight()
light.castShadow = true
light.shadow.mapSize.width = 512
light.shadow.mapSize.height = 512
light.shadow.camera.near = 0.5
light.shadow.camera.far = 100
scene.add(light)
//const helper = new THREE.DirectionalLightHelper(light);
const helper = new THREE.CameraHelper(light.shadow.camera)
scene.add(helper)
const camera = new THREE.PerspectiveCamera(
75,
window.innerWidth / window.innerHeight,
0.1,
1000
)
camera.position.z = 7
const renderer = new THREE.WebGLRenderer()
renderer.setSize(window.innerWidth, window.innerHeight)
renderer.shadowMap.enabled = true
renderer.shadowMap.type = THREE.PCFSoftShadowMap
//renderer.shadowMap.type = THREE.BasicShadowMap
//renderer.shadowMap.type = THREE.PCFShadowMap
//renderer.shadowMap.type = THREE.VSMShadowMap
document.body.appendChild(renderer.domElement)
new OrbitControls(camera, renderer.domElement)
const planeGeometry = new THREE.PlaneGeometry(100, 20)
const plane = new THREE.Mesh(planeGeometry, new THREE.MeshPhongMaterial())
plane.rotateX(-Math.PI / 2)
plane.position.y = -1.75
plane.receiveShadow = true
scene.add(plane)
const torusGeometry = [
new THREE.TorusGeometry(),
new THREE.TorusGeometry(),
new THREE.TorusGeometry(),
new THREE.TorusGeometry(),
new THREE.TorusGeometry()
]
const material = [
new THREE.MeshBasicMaterial(),
new THREE.MeshLambertMaterial(),
new THREE.MeshPhongMaterial(),
new THREE.MeshPhysicalMaterial({}),
new THREE.MeshToonMaterial()
]
const torus = [
new THREE.Mesh(torusGeometry[0], material[0]),
new THREE.Mesh(torusGeometry[1], material[1]),
new THREE.Mesh(torusGeometry[2], material[2]),
new THREE.Mesh(torusGeometry[3], material[3]),
new THREE.Mesh(torusGeometry[4], material[4])
]
const texture = new THREE.TextureLoader().load('img/grid.png')
material[0].map = texture
material[1].map = texture
material[2].map = texture
material[3].map = texture
material[4].map = texture
torus[0].position.x = -8
torus[1].position.x = -4
torus[2].position.x = 0
torus[3].position.x = 4
torus[4].position.x = 8
torus[0].castShadow = true
torus[1].castShadow = true
torus[2].castShadow = true
torus[3].castShadow = true
torus[4].castShadow = true
torus[0].receiveShadow = true
torus[1].receiveShadow = true
torus[2].receiveShadow = true
torus[3].receiveShadow = true
torus[4].receiveShadow = true
scene.add(torus[0])
scene.add(torus[1])
scene.add(torus[2])
scene.add(torus[3])
scene.add(torus[4])
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 data = {
color: light.color.getHex(),
mapsEnabled: true,
shadowMapSizeWidth: 512,
shadowMapSizeHeight: 512
}
const gui = new GUI()
const lightFolder = gui.addFolder('THREE.Light')
lightFolder.addColor(data, 'color').onChange(() => {
light.color.setHex(Number(data.color.toString().replace('#', '0x')))
})
lightFolder.add(light, 'intensity', 0, 1, 0.01)
const directionalLightFolder = gui.addFolder('THREE.DirectionalLight')
directionalLightFolder
.add(light.shadow.camera, 'left', -10, -1, 0.1)
.onChange(() => light.shadow.camera.updateProjectionMatrix())
directionalLightFolder
.add(light.shadow.camera, 'right', 1, 10, 0.1)
.onChange(() => light.shadow.camera.updateProjectionMatrix())
directionalLightFolder
.add(light.shadow.camera, 'top', 1, 10, 0.1)
.onChange(() => light.shadow.camera.updateProjectionMatrix())
directionalLightFolder
.add(light.shadow.camera, 'bottom', -10, -1, 0.1)
.onChange(() => light.shadow.camera.updateProjectionMatrix())
directionalLightFolder
.add(light.shadow.camera, 'near', 0.1, 100)
.onChange(() => light.shadow.camera.updateProjectionMatrix())
directionalLightFolder
.add(light.shadow.camera, 'far', 0.1, 100)
.onChange(() => light.shadow.camera.updateProjectionMatrix())
directionalLightFolder
.add(data, 'shadowMapSizeWidth', [256, 512, 1024, 2048, 4096])
.onChange(() => updateShadowMapSize())
directionalLightFolder
.add(data, 'shadowMapSizeHeight', [256, 512, 1024, 2048, 4096])
.onChange(() => updateShadowMapSize())
directionalLightFolder.add(light.position, 'x', -50, 50, 0.01)
directionalLightFolder.add(light.position, 'y', -50, 50, 0.01)
directionalLightFolder.add(light.position, 'z', -50, 50, 0.01)
directionalLightFolder.open()
function updateShadowMapSize() {
light.shadow.mapSize.width = data.shadowMapSizeWidth
light.shadow.mapSize.height = data.shadowMapSizeHeight
;(light.shadow.map as any) = null
}
const meshesFolder = gui.addFolder('Meshes')
meshesFolder.add(data, 'mapsEnabled').onChange(() => {
material.forEach((m) => {
if (data.mapsEnabled) {
m.map = texture
} else {
m.map = null
}
m.needsUpdate = true
})
})
function animate() {
requestAnimationFrame(animate)
helper.update()
torus.forEach((t) => {
t.rotation.y += 0.01
})
render()
stats.update()
}
function render() {
renderer.render(scene, camera)
}
animate()
|
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