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Beautified threejs starter with shaders
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import * as THREE from 'three'; | |
import { OrbitControls } from 'three/examples/jsm/controls/OrbitControls.js'; | |
export default class Sketch { | |
constructor( options ) { | |
this.time = 0; | |
this.container = options.dom; | |
this.width = this.container.offsetWidth; | |
this.height = this.container.offsetHeight; | |
this.scene = new THREE.Scene(); | |
this.camera = new THREE.PerspectiveCamera( 70, this.width / this.height, 0.01, 10 ); | |
this.camera.position.z = 1; | |
this.renderer = new THREE.WebGLRenderer( { antialias: true } ); | |
this.renderer.setSize( this.width, this.height ); | |
this.container.appendChild( this.renderer.domElement ); | |
this.controls = new OrbitControls( this.camera, this.renderer.domElement ); | |
this.resize(); | |
this.setupListeners(); | |
this.addObjects(); | |
this.render(); | |
} | |
setupListeners() { | |
window.addEventListener( 'resize', this.resize.bind( this ) ); | |
} | |
resize() { | |
this.width = this.container.offsetWidth; | |
this.height = this.container.offsetHeight; | |
this.renderer.setSize( this.width, this.height ); | |
this.camera.aspect = this.width / this.height; | |
this.camera.updateProjectionMatrix(); | |
} | |
addObjects() { | |
this.geometry = new THREE.BoxGeometry( 0.4, 0.4, 0.4 ); | |
this.material = new THREE.MeshNormalMaterial(); | |
this.material = new THREE.ShaderMaterial({ | |
fragmentShader: ` | |
void main() { | |
gl_FragColor = vec4(1.0, 0.0, 1.0, 1.0); | |
} | |
`, | |
vertexShader: ` | |
void main() { | |
gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 ); | |
} | |
`, | |
}); | |
this.mesh = new THREE.Mesh( this.geometry, this.material ); | |
this.scene.add( this.mesh ); | |
} | |
render() { | |
this.time += 0.05; | |
// this.mesh.rotation.x = this.time / 2000; | |
// this.mesh.rotation.y = this.time / 1000; | |
this.renderer.render( this.scene, this.camera ); | |
window.requestAnimationFrame( this.render.bind( this ) ); | |
} | |
} | |
new Sketch({ | |
dom: document.getElementById( 'container' ), | |
}); |
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