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121 | 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()
const axesHelper = new THREE.AxesHelper(5)
scene.add(axesHelper)
const ambientLight = new THREE.AmbientLight(0x444444)
scene.add(ambientLight)
const light = new THREE.DirectionalLight(0xffffff, 2)
light.position.set(0, 0, 3)
light.castShadow = true
light.shadow.bias = -0.003
light.shadow.mapSize.width = 2048
light.shadow.mapSize.height = 2048
light.shadow.camera.left = -2
light.shadow.camera.right = 2
light.shadow.camera.top = -2
light.shadow.camera.bottom = 2
light.shadow.camera.near = 1
light.shadow.camera.far = 5
const helper = new THREE.CameraHelper(light.shadow.camera)
scene.add(helper)
const lightPivot = new THREE.Object3D()
lightPivot.add(light)
scene.add(lightPivot)
scene.background = new THREE.CubeTextureLoader().load([
'img/px_eso0932a.jpg',
'img/nx_eso0932a.jpg',
'img/py_eso0932a.jpg',
'img/ny_eso0932a.jpg',
'img/pz_eso0932a.jpg',
'img/nz_eso0932a.jpg',
])
const camera = new THREE.PerspectiveCamera(
75,
window.innerWidth / window.innerHeight,
0.1,
100
)
const renderer = new THREE.WebGLRenderer()
renderer.shadowMap.enabled = true
renderer.shadowMap.type = THREE.PCFShadowMap
renderer.setSize(window.innerWidth, window.innerHeight)
document.body.appendChild(renderer.domElement)
const locationDataElem = document.getElementById(
'locationData'
) as HTMLDivElement
let locationDataText = ''
const controls = new OrbitControls(camera, renderer.domElement)
controls.addEventListener('change', () => {
locationDataText =
((controls.getPolarAngle() / -Math.PI) * 180 + 90).toFixed(6) +
' ' +
((controls.getAzimuthalAngle() / Math.PI) * 180).toFixed(6)
locationDataElem.innerText = locationDataText
})
controls.screenSpacePanning = true
const sphereGeometry = new THREE.SphereGeometry(1, 720, 360)
const material = new THREE.MeshStandardMaterial()
const texture = new THREE.TextureLoader().load('img/worldColour.5400x2700.jpg')
texture.anisotropy = renderer.capabilities.getMaxAnisotropy()
material.map = texture
const displacementMap = new THREE.TextureLoader().load(
'img/srtm_ramp2.world.5400x2700.jpg'
)
material.displacementMap = displacementMap
material.displacementScale = 0.1
const sphere = new THREE.Mesh(sphereGeometry, material)
sphere.rotation.y = -Math.PI / 2
sphere.castShadow = true
sphere.receiveShadow = true
scene.add(sphere)
camera.position.z = 2
window.addEventListener('resize', onWindowResize, false)
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight
camera.updateProjectionMatrix()
renderer.setSize(window.innerWidth, window.innerHeight)
render()
}
const gui = new GUI()
gui.add(material, 'displacementScale', 0, 1, 0.01)
const stats = Stats()
document.body.appendChild(stats.dom)
function animate() {
requestAnimationFrame(animate)
controls.update()
helper.update()
lightPivot.rotation.y += 0.01
render()
stats.update()
}
function render() {
renderer.render(scene, camera)
}
animate()
|
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