egret-docs-master/Engine3D/Egret3DAnimation/particleAnimation

粒子动画

// 创建一个粒子动画 手动创建粒子
protected createParticle() {

    var mat: egret3d.TextureMaterial = new egret3d.TextureMaterial();
    mat.ambientColor = 0xffffff;

    // 获取资源 这张贴图不是透明贴图 
    mat.diffuseTexture = this.queueLoader.getAsset("resource/doc/ice_0001.png");

    // 设置渲染模式  颜色叠加渲染出来的效果会受背景影响
    mat.blendMode = egret3d.BlendMode.ADD;

    var particle: egret3d.ParticleEmitter;
    var data: egret3d.ParticleData = new egret3d.ParticleData();
    data.followTarget = new egret3d.ParticleDataFollowTarget();

    // 设置最大粒子数量 
    data.property.particleCount = 1000;
    // 
    data.shape.type = egret3d.ParticleDataShapeType.Point;

    var moveSpeed: egret3d.ParticleDataMoveSpeed = new egret3d.ParticleDataMoveSpeed();
    moveSpeed.min = 80;
    moveSpeed.max = 100;
    data.moveSpeed = moveSpeed;

    var lifeData: egret3d.ParticleDataLife = data.life;
    lifeData.duration = 20;
    lifeData.min = lifeData.max = 2;

    var emission: egret3d.ParticleDataEmission = data.emission;
    emission.rate = 10;

    // 爆发的粒子数据
    emission.bursts = [];

    emission.bursts.push(new egret3d.Point(2.0, 25));
    emission.bursts.push(new egret3d.Point(4.0, 20));
    emission.bursts.push(new egret3d.Point(6.0, 45));

    // 数据矫正
    data.validate();

    // 创建跟随的cube
    this.cube = new egret3d.Mesh(new egret3d.CubeGeometry(10, 10, 10));
    this.view.addChild3D(this.cube);

    // 数据准备好后创建粒子
    particle = new egret3d.ParticleEmitter(data, mat);

    // 设置跟随的对象
    particle.followTarget = this.cube;

    // 播放粒子
    particle.play();

    // 加入场景 
    this.view.addChild3D(particle);
}

// 特效组加载完成 使用插件导出粒子然后加载
protected createEffect() {
	// 特效资源加载完成后，把特效加入场景中
    var effect: egret3d.EffectGroup = this.queueLoader.getAsset("resource/doc/effect/MapConfig.json");
    this.view.addChild3D(effect);
}

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