Class Touch

封装了触点相关的信息。

Hierarchy

Touch

Index

Constructors

constructor

Properties

Accessors

lastModified

Methods

Constructors

constructor

newTouch(x: number, y: number, id?: number): Touch

- Defined in cocos/core/platform/event-manager/touch.ts:50
Parameters
- x: number
  
  x position of the touch point
- y: number
  
  y position of the touch point
- Default value id: number = 0
  
  The id of the touch point
Returns Touch

Properties

Private _id

_id: number = 0

Private _lastModified

_lastModified: number = 0

Private _point

_point: Vec2 = new Vec2()

Private _prevPoint

_prevPoint: Vec2 = new Vec2()

Private _startPoint

_startPoint: Vec2 = new Vec2()

Private _startPointCaptured

_startPointCaptured: boolean = false

Accessors

lastModified

get lastModified(): number

- Defined in cocos/core/platform/event-manager/touch.ts:48
Returns number

Methods

getDelta

getDelta(out?: Vec2): Vec2

- Defined in cocos/core/platform/event-manager/touch.ts:187
获取触点距离上一次事件移动的距离对象，对象包含 x 和 y 属性。

Parameters
- Optional out: Vec2
  
  Pass the out object to avoid object creation, very good practice
Returns Vec2

getID

getID(): number

- Defined in cocos/core/platform/event-manager/touch.ts:260
触点的标识 ID，可以用来在多点触摸中跟踪触点。

Returns number

getLocation

getLocation(out?: Vec2): Vec2

- Defined in cocos/core/platform/event-manager/touch.ts:66
获取当前触点位置。

Parameters
- Optional out: Vec2
  
  Pass the out object to avoid object creation, very good practice
Returns Vec2

getLocationInView

getLocationInView(out?: Vec2): Vec2

- Defined in cocos/core/platform/event-manager/touch.ts:219
获取当前事件在游戏窗口内的坐标位置对象，对象包含 x 和 y 属性。

Parameters
- Optional out: Vec2
  
  Pass the out object to avoid object creation, very good practice
Returns Vec2

getLocationX

getLocationX(): number

- Defined in cocos/core/platform/event-manager/touch.ts:79
获取当前触点 X 轴位置。

Returns number

getLocationY

getLocationY(): number

- Defined in cocos/core/platform/event-manager/touch.ts:87
获取当前触点 Y 轴位置。

Returns number

getPreviousLocation

getPreviousLocation(out?: Vec2): Vec2

- Defined in cocos/core/platform/event-manager/touch.ts:129
获取触点在上一次事件时的位置对象，对象包含 x 和 y 属性。

Parameters
- Optional out: Vec2
  
  Pass the out object to avoid object creation, very good practice
Returns Vec2

getPreviousLocationInView

getPreviousLocationInView(out?: Vec2): Vec2

- Defined in cocos/core/platform/event-manager/touch.ts:233
获取触点在上一次事件时在游戏窗口中的位置对象，对象包含 x 和 y 属性。

Parameters
- Optional out: Vec2
  
  Pass the out object to avoid object creation, very good practice
Returns Vec2

getStartLocation

getStartLocation(out?: Vec2): Vec2

- Defined in cocos/core/platform/event-manager/touch.ts:158
获获取触点落下时的位置对象，对象包含 x 和 y 属性。

Parameters
- Optional out: Vec2
  
  Pass the out object to avoid object creation, very good practice
Returns Vec2

getStartLocationInView

getStartLocationInView(out?: Vec2): Vec2

- Defined in cocos/core/platform/event-manager/touch.ts:247
获取触点落下时在游戏窗口中的位置对象，对象包含 x 和 y 属性。

Parameters
- Optional out: Vec2
  
  Pass the out object to avoid object creation, very good practice
Returns Vec2

getUIDelta

getUIDelta(out?: Vec2): Vec2

- Defined in cocos/core/platform/event-manager/touch.ts:202
获取触点距离上一次事件移动在 UI 坐标系中的距离对象，对象包含 x 和 y 属性。

Parameters
- Optional out: Vec2
  
  Pass the out object to avoid object creation, very good practice
Returns Vec2

getUILocation

getUILocation(out?: Vec2): Vec2

- Defined in cocos/core/platform/event-manager/touch.ts:96
获取当前触点在 UI 坐标系中的位置。

Parameters
- Optional out: Vec2
  
  Pass the out object to avoid object creation, very good practice
Returns Vec2

getUILocationX

getUILocationX(): number

- Defined in cocos/core/platform/event-manager/touch.ts:110
获取当前触点在 UI 坐标系中 X 轴位置。

Returns number

getUILocationY

getUILocationY(): number

- Defined in cocos/core/platform/event-manager/touch.ts:119
获取当前触点在 UI 坐标系中 Y 轴位置。

Returns number

getUIPreviousLocation

getUIPreviousLocation(out?: Vec2): Vec2

- Defined in cocos/core/platform/event-manager/touch.ts:143
获取触点在上一次事件时在 UI 坐标系中的位置对象，对象包含 x 和 y 属性。

Parameters
- Optional out: Vec2
  
  Pass the out object to avoid object creation, very good practice
Returns Vec2

getUIStartLocation

getUIStartLocation(out?: Vec2): Vec2

- Defined in cocos/core/platform/event-manager/touch.ts:172
获获取触点落下时在 UI 坐标系中的位置对象，对象包含 x 和 y 属性。

Parameters
- Optional out: Vec2
  
  Pass the out object to avoid object creation, very good practice
Returns Vec2

setPoint

setPoint(point: Vec2): void
setPoint(x: number, y: number): void

- Defined in cocos/core/platform/event-manager/touch.ts:287
设置触点位置。

Parameters
- point: Vec2
  
  The location
Returns void
- Defined in cocos/core/platform/event-manager/touch.ts:295
设置触点位置。

Parameters
- x: number
  
  x position
- y: number
  
  y position
Returns void

setPrevPoint

setPrevPoint(point: Vec2): void
setPrevPoint(x: number, y: number): void

- Defined in cocos/core/platform/event-manager/touch.ts:313
设置触点在前一次触发时收集的位置。

Parameters
- point: Vec2
  
  The location
Returns void
- Defined in cocos/core/platform/event-manager/touch.ts:321
设置触点在前一次触发时收集的位置。

Parameters
- x: number
  
  x position
- y: number
  
  y position
Returns void

setTouchInfo

setTouchInfo(id?: number, x?: undefined | number, y?: undefined | number): void

- Defined in cocos/core/platform/event-manager/touch.ts:271
重置触点相关的信息。

Parameters
- Default value id: number = 0
  
  The id of the touch point
- Optional x: undefined | number
  
  x position of the touch point
- Optional y: undefined | number
  
  y position of the touch point
Returns void

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