PigeonGL

Class: ThirdPersonLayer

ThirdPersonLayer

第三人称视角图层

new ThirdPersonLayer(target, viewRotation, targetRotation)

构造函数

Parameters:
Name Type Description
target Object

需要摄像机跟随的物体
viewRotation Number

观看视角（deg）
targetRotation Number

物体初始旋转角度，用来配合摄像机位置 (deg)
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Extends

Methods

updateCamera()

更新相机，物体移动后需要更新相机，重新计算相机位置

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on()

事件监听,用法同jQuery.on

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fire()

触发事件

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Example
this.fire("change",event)

off()

关闭事件

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Example
this.off('change',onChange)

onAdd(map)

地图添加图层时调用,由子类实现

Parameters:
Name Type Description
map Map

PigeonGL.Map实例
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update()

地图每帧调用该函数

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onRemove()

移除图层时调用

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addLayer(layer)

添加图层

Parameters:
Name Type Description
layer Layer

图层
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removeLayer(layer)

删除图层

Parameters:
Name Type Description
layer Layer

图层
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getLayerById()

获取图层通过id

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