Video Lecture
Description
Allows you to change the transforms of an object within the scene.
You attach the controls to the object, and then add the controls to the scene, so that the interaction handles are visible.
And then you can rescale, rotate and position the object within the scene.
Lesson Script
./src/client/client.ts
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69 | import * as THREE from 'three'
import { TransformControls } from 'three/examples/jsm/controls/TransformControls'
import Stats from 'three/examples/jsm/libs/stats.module'
const scene = new THREE.Scene()
scene.add(new THREE.AxesHelper(5))
const camera = new THREE.PerspectiveCamera(
75,
window.innerWidth / window.innerHeight,
0.1,
1000
)
camera.position.z = 2
const renderer = new THREE.WebGLRenderer()
renderer.setSize(window.innerWidth, window.innerHeight)
document.body.appendChild(renderer.domElement)
const geometry = new THREE.BoxGeometry()
const material = new THREE.MeshNormalMaterial()
const cube = new THREE.Mesh(geometry, material)
scene.add(cube)
const controls = new TransformControls(camera, renderer.domElement)
controls.attach(cube)
scene.add(controls)
window.addEventListener('keydown', function (event) {
switch (event.code) {
case 'KeyG':
controls.setMode('translate')
break
case 'KeyR':
controls.setMode('rotate')
break
case 'KeyS':
controls.setMode('scale')
break
}
})
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)
// controls.update()
render()
stats.update()
}
function render() {
renderer.render(scene, camera)
}
animate()
|
Useful Links
TransformControls (Official Documentation)
KeyboardEvent.code
Paperback 
