180 lines
5.2 KiB
Markdown
180 lines
5.2 KiB
Markdown
|
||
Egret3D中的立方体由`CubeGeometry`类负责实现，通过`CubeGeometry`可快速创建一个宽度，高度和深度均为80的立方体模型。
|
||
|
||
下面示例代码中我们创建一个宽度为100，高度为30，深度为300的立方体。代码如下：
|
||
|
||
```
|
||
class CubeDemo extends LoadingUI {
|
||
/**
|
||
* Canvas操作对象
|
||
* @version Egret 3.0
|
||
* @platform Web,Native
|
||
*/
|
||
protected _egret3DCanvas: egret3d.Egret3DCanvas;
|
||
/**
|
||
* View3D操作对象
|
||
* @version Egret 3.0
|
||
* @platform Web,Native
|
||
*/
|
||
protected _view3D: egret3d.View3D;
|
||
/**
|
||
* look at 摄像机控制器 。</p>
|
||
* 指定摄像机看向的目标对象。</p>
|
||
* 1.按下鼠标左键并移动鼠标可以使摄像机绕着目标进行旋转。</p>
|
||
* 2.按下键盘的(w s a d) 可以摄像机(上 下 左 右)移动。</p>
|
||
* 3.滑动鼠标滚轮可以控制摄像机的视距。</p>
|
||
* @version Egret 3.0
|
||
* @platform Web,Native
|
||
*/
|
||
private cameraCtl: egret3d.LookAtController;
|
||
/**
|
||
* 灯光组
|
||
* @version Egret 3.0
|
||
* @platform Web,Native
|
||
*/
|
||
private lights: egret3d.LightGroup = new egret3d.LightGroup();
|
||
/**
|
||
* 模型对象
|
||
* @version Egret 3.0
|
||
* @platform Web,Native
|
||
*/
|
||
private model: egret3d.Mesh;
|
||
/**
|
||
* 待机动画
|
||
* @version Egret 3.0
|
||
* @platform Web,Native
|
||
*/
|
||
private idle: egret3d.SkeletonAnimationClip;
|
||
/**
|
||
* 跑步动画
|
||
* @version Egret 3.0
|
||
* @platform Web,Native
|
||
*/
|
||
private run: egret3d.SkeletonAnimationClip;
|
||
/**
|
||
* 攻击动画
|
||
* @version Egret 3.0
|
||
* @platform Web,Native
|
||
*/
|
||
private attack: egret3d.SkeletonAnimationClip;
|
||
/**
|
||
* @language zh_CN
|
||
* 当前动画
|
||
*/
|
||
public currentAnim: string;
|
||
|
||
|
||
public constructor() {
|
||
|
||
|
||
super();
|
||
|
||
///创建Canvas对象。
|
||
this._egret3DCanvas = new egret3d.Egret3DCanvas();
|
||
///Canvas的起始坐标，页面左上角为起始坐标(0,0)。
|
||
this._egret3DCanvas.x = 0;
|
||
this._egret3DCanvas.y = 0;
|
||
///设置Canvas页面尺寸。
|
||
this._egret3DCanvas.width = window.innerWidth;
|
||
this._egret3DCanvas.height = window.innerHeight;
|
||
///创建View3D对象,页面左上角为起始坐标(0,0),其参数依次为:
|
||
///@param x: number 起始坐标x,
|
||
///@param y: number 起始坐标y
|
||
///@param width: number 显示区域的宽
|
||
///@param height: number 显示区域的高
|
||
this._view3D = new egret3d.View3D(0,0,window.innerWidth,window.innerHeight);
|
||
///当前对象对视位置,其参数依次为:
|
||
///@param pos 对象的位置
|
||
///@param target 目标的位置
|
||
this._view3D.camera3D.lookAt(new egret3d.Vector3D(0,0,1000),new egret3d.Vector3D(0,0,0));
|
||
///View3D的背景色设置
|
||
this._view3D.backColor = 0xffffffff;
|
||
///将View3D添加进Canvas中
|
||
this._egret3DCanvas.addView3D(this._view3D);
|
||
|
||
///创建平行光
|
||
var dirLight: egret3d.DirectLight = new egret3d.DirectLight(new egret3d.Vector3D(-0.5,0.6,0.2));
|
||
dirLight.diffuse = 0xffffff;
|
||
this.lights.addLight(dirLight);
|
||
|
||
this.InitCameraCtl();
|
||
|
||
///启动Canvas。
|
||
this._egret3DCanvas.start();
|
||
this._egret3DCanvas.addEventListener(egret3d.Event3D.ENTER_FRAME,this.update,this);
|
||
|
||
this.OnInitLoadingView(5);
|
||
|
||
|
||
///设置window resize事件
|
||
egret3d.Input.addEventListener(egret3d.Event3D.RESIZE,this.OnWindowResize,this);
|
||
|
||
this.createCube();
|
||
}
|
||
|
||
/**
|
||
* @language zh_CN
|
||
* 窗口尺寸变化事件
|
||
* @version Egret 3.0
|
||
* @platform Web,Native
|
||
*/
|
||
private OnWindowResize(e: egret3d.Event3D): void {
|
||
///重置ui大小
|
||
this._egret3DCanvas.width = window.innerWidth;
|
||
this._egret3DCanvas.height = window.innerHeight;
|
||
this._view3D.width = window.innerWidth;
|
||
this._view3D.height = window.innerHeight;
|
||
}
|
||
|
||
/**
|
||
* @language zh_CN
|
||
* 初始化相机控制
|
||
* @version Egret 3.0
|
||
* @platform Web,Native
|
||
*/
|
||
private InitCameraCtl() {
|
||
///摄像机控制类
|
||
this.cameraCtl = new egret3d.LookAtController(this._view3D.camera3D,new egret3d.Object3D());
|
||
///设置目标和相机的距离
|
||
this.cameraCtl.distance = 500;
|
||
///设置相机x轴旋转
|
||
this.cameraCtl.rotationX = 0;
|
||
}
|
||
|
||
/**
|
||
* @language zh_CN
|
||
* 模型加载回调
|
||
* @param e: egret3d.URLLoader 加载器对象
|
||
* @version Egret 3.0
|
||
* @platform Web,Native
|
||
*/
|
||
protected createCube() {
|
||
this.OnLoadFinished();
|
||
this.CloseLoadingView();
|
||
|
||
///创建纹理材质
|
||
var mat = new egret3d.TextureMaterial();
|
||
///创建模型基类
|
||
var ge: egret3d.CubeGeometry = new egret3d.CubeGeometry(100,30,300);
|
||
///生成mesh
|
||
this.model = new egret3d.Mesh(ge,mat);
|
||
this.model.material.lightGroup = this.lights;
|
||
this.model.y = -100;
|
||
///插入model
|
||
this._view3D.addChild3D(this.model);
|
||
|
||
}
|
||
|
||
|
||
public update(e: egret3d.Event3D) {
|
||
this.cameraCtl.update();
|
||
}
|
||
}
|
||
```
|
||
|
||
编译并运行，效果如图：
|
||
|
||
|
||
|
||
|