此代碼正常工作,但有一個小錯誤:沒有動畫。它繪製一個軸和一個立方體。立方體必須是動畫的。我只在控制檯中看到「animate」字符串一次。Three.js + TypeScript。爲什麼只有一次調用動畫的方法?
解決方案。這個一個requestAnimationFrame(this.animate.bind(this));
https://codepen.io/8Observer8/pen/oWoXyz
/// <reference path="../node_modules/@types/three/index.d.ts" />
//import * as THREE from "three";
// this line does't work. Error: Cannot find module 'three' from ...
// https://github.com/pinqy520/three-typescript-starter/blob/master/src/index.ts
class Game
{
private _scene: THREE.Scene;
//private _canvas: HTMLCanvasElement;
private _camera: THREE.PerspectiveCamera;
private _renderer: THREE.WebGLRenderer;
private _axis: THREE.AxisHelper;
private _light: THREE.DirectionalLight;
private _light2: THREE.DirectionalLight;
private _material: THREE.MeshBasicMaterial;
private _box: THREE.Mesh;
public constructor()
{
//this._canvas = <HTMLCanvasElement>document.getElementById(canvasElement);
this._scene = new THREE.Scene(); // create the scene
// create the camera
this._camera = new THREE.PerspectiveCamera(75, window.innerWidth/window.innerHeight, 0.1, 1000);
this._renderer = new THREE.WebGLRenderer();
this._axis = new THREE.AxisHelper(10); // add axis to the scene
this._light = new THREE.DirectionalLight(0xffffff, 1.0); // add light1
this._light2 = new THREE.DirectionalLight(0xffffff, 1.0); // add light2
this._material = new THREE.MeshBasicMaterial({
color: 0xaaaaaa,
wireframe: true
});
// create a box and add it to the scene
this._box = new THREE.Mesh(new THREE.BoxGeometry(1, 1, 1), this._material);
}
public createScene(): void
{
// set size
this._renderer.setSize(window.innerWidth, window.innerHeight);
document.body.appendChild(this._renderer.domElement); // add canvas to dom
this._scene.add(this._axis);
this._light.position.set(100, 100, 100);
this._scene.add(this._light);
this._light2.position.set(-100, 100, -100)
this._scene.add(this._light2);
this._scene.add(this._box)
this._box.position.x = 0.5;
this._box.rotation.y = 0.5;
this._camera.position.x = 5;
this._camera.position.y = 5;
this._camera.position.z = 5;
this._camera.lookAt(this._scene.position);
}
public animate(): void
{
requestAnimationFrame(this.animate.bind(this));
this._render();
}
private _render(): void
{
let timer = 0.002 * Date.now();
this._box.position.y = 0.5 + 0.5 * Math.sin(timer);
this._box.rotation.x += 0.1;
this._renderer.render(this._scene, this._camera);
}
}
window.onload =() =>
{
let game = new Game();
game.createScene();
game.animate();
}
您從動畫方法獲取控制檯日誌多少次? – M98
我只在控制檯中看到「animate」字符串一次。 – 8Observer8
你可以試試嗎? 'requestAnimationFrame(this.animate());' – M98