【Three.js基础学习】19.Custom models with Blender

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前言

blender模型资源:【blender】一个汉堡包-CSDN博客

一、代码

javascript 复制代码
import './style.css'
import * as THREE from 'three'
import { OrbitControls } from 'three/examples/jsm/controls/OrbitControls.js'
import { GLTFLoader } from 'three/examples/jsm/loaders/GLTFLoader.js'
import { DRACOLoader } from 'three/examples/jsm/loaders/DRACOLoader.js'
import * as dat from 'dat.gui'

/**
 * Base
 */
// Debug
const gui = new dat.GUI()

// Canvas
const canvas = document.querySelector('canvas.webgl')

// Scene
const scene = new THREE.Scene()

/**
 * Models
 */
const dracoLoader = new DRACOLoader()
dracoLoader.setDecoderPath('/draco/')

const gltfLoader = new GLTFLoader()
gltfLoader.setDRACOLoader(dracoLoader)

let mixer = null

gltfLoader.load(
    '/models/hamburger.glb',
    (gltf) =>
    {
        scene.add(gltf.scene)
    }
)

/**
 * Floor
 */
const floor = new THREE.Mesh(
    new THREE.PlaneBufferGeometry(50, 50),
    new THREE.MeshStandardMaterial({
        color: '#444444',
        metalness: 0,
        roughness: 0.5
    })
)
floor.receiveShadow = true
floor.rotation.x = - Math.PI * 0.5
scene.add(floor)

/**
 * Lights
 */
const ambientLight = new THREE.AmbientLight(0xffffff, 0.8)
scene.add(ambientLight)

const directionalLight = new THREE.DirectionalLight(0xffffff, 0.6)
directionalLight.castShadow = true
directionalLight.shadow.mapSize.set(1024, 1024)
directionalLight.shadow.camera.far = 15
directionalLight.shadow.camera.left = - 7
directionalLight.shadow.camera.top = 7
directionalLight.shadow.camera.right = 7
directionalLight.shadow.camera.bottom = - 7
directionalLight.position.set(5, 5, 5)
scene.add(directionalLight)

/**
 * Sizes
 */
const sizes = {
    width: window.innerWidth,
    height: window.innerHeight
}

window.addEventListener('resize', () =>
{
    // Update sizes
    sizes.width = window.innerWidth
    sizes.height = window.innerHeight

    // Update camera
    camera.aspect = sizes.width / sizes.height
    camera.updateProjectionMatrix()

    // Update renderer
    renderer.setSize(sizes.width, sizes.height)
    renderer.setPixelRatio(Math.min(window.devicePixelRatio, 2))
})

/**
 * Camera
 */
// Base camera
const camera = new THREE.PerspectiveCamera(75, sizes.width / sizes.height, 0.1, 100)
camera.position.set(- 8, 4, 8)
scene.add(camera)

// Controls
const controls = new OrbitControls(camera, canvas)
controls.target.set(0, 1, 0)
controls.enableDamping = true

/**
 * Renderer
 */
const renderer = new THREE.WebGLRenderer({
    canvas: canvas
})
renderer.shadowMap.enabled = true
renderer.shadowMap.type = THREE.PCFSoftShadowMap
renderer.setSize(sizes.width, sizes.height)
renderer.setPixelRatio(Math.min(window.devicePixelRatio, 2))

/**
 * Animate
 */
const clock = new THREE.Clock()
let previousTime = 0

const tick = () =>
{
    const elapsedTime = clock.getElapsedTime()
    const deltaTime = elapsedTime - previousTime
    previousTime = elapsedTime

    if(mixer)
    {
        mixer.update(deltaTime)
    }

    // Update controls
    controls.update()

    // Render
    renderer.render(scene, camera)

    // Call tick again on the next frame
    window.requestAnimationFrame(tick)
}

tick()


总结

想学建模,但是没时间!想学three.js,但是忘得差不多了!不想工作,这可怎么办呢。

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