hamid zarghami
94 lines
2.2 KiB
JavaScript
94 lines
2.2 KiB
JavaScript
import { Animation } from './Animation.js';
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class World extends Animation {
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constructor( game ) {
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super( true );
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this.game = game;
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this.container = this.game.dom.game;
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this.scene = new THREE.Scene();
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this.renderer = new THREE.WebGLRenderer( { antialias: true, alpha: true } );
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this.renderer.setPixelRatio( window.devicePixelRatio );
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this.container.appendChild( this.renderer.domElement );
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this.camera = new THREE.PerspectiveCamera( 2, 1, 0.1, 10000 );
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this.stage = { width: 2, height: 3 };
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this.fov = 10;
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this.createLights();
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this.onResize = [];
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this.resize();
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window.addEventListener( 'resize', () => this.resize(), false );
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}
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update() {
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this.renderer.render( this.scene, this.camera );
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}
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resize() {
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this.width = this.container.offsetWidth;
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this.height = this.container.offsetHeight;
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this.renderer.setSize( this.width, this.height );
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this.camera.fov = this.fov;
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this.camera.aspect = this.width / this.height;
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const aspect = this.stage.width / this.stage.height;
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const fovRad = this.fov * THREE.Math.DEG2RAD;
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let distance = ( aspect < this.camera.aspect )
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? ( this.stage.height / 2 ) / Math.tan( fovRad / 2 )
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: ( this.stage.width / this.camera.aspect ) / ( 2 * Math.tan( fovRad / 2 ) );
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distance *= 0.5;
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this.camera.position.set( distance, distance, distance);
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this.camera.lookAt( this.scene.position );
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this.camera.updateProjectionMatrix();
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const docFontSize = ( aspect < this.camera.aspect )
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? ( this.height / 100 ) * aspect
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: this.width / 100;
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document.documentElement.style.fontSize = docFontSize + 'px';
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if ( this.onResize ) this.onResize.forEach( cb => cb() );
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}
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createLights() {
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this.lights = {
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holder: new THREE.Object3D,
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ambient: new THREE.AmbientLight( 0xffffff, 0.69 ),
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front: new THREE.DirectionalLight( 0xffffff, 0.36 ),
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back: new THREE.DirectionalLight( 0xffffff, 0.19 ),
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};
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this.lights.front.position.set( 1.5, 5, 3 );
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this.lights.back.position.set( -1.5, -5, -3 );
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this.lights.holder.add( this.lights.ambient );
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this.lights.holder.add( this.lights.front );
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this.lights.holder.add( this.lights.back );
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this.scene.add( this.lights.holder );
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}
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}
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export { World };
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