Class MaterialDragSystem

Constructors

constructor

Properties

addEventCache args canvas coordinateType? downHandler dragStatus? eventCache handler isMouseDown isMouseMoved maxFPS mouseDealType? mouseDownInfo? moveHandler onMouseDown onMouseMove onMouseUp onTouchDown onTouchMove onTouchUp pressTimer prevDiff prevVector removeEventCache startDiff startVector triggerEvent upHandler updateEventCache useX? touchableDevice

Methods

dispose registerListener

Constructors

constructor

  • new MaterialDragSystem(handler, maxFPS?): MaterialDragSystem

  • Parameters

    • handler: ((e, event, extra?) => void)
    • Optional maxFPS: number

    Returns MaterialDragSystem

Properties

Private addEventCache

addEventCache: any

args

args: any[]

入参

Private canvas

canvas: any

渲染器的 canvas 元素

Private Optional coordinateType

coordinateType?: any

坐标轴类型

Private downHandler

downHandler: any

Private Optional dragStatus

dragStatus?: any

当前的拖拽状态

Private eventCache

eventCache: any

缓存事件池，用于多点触控

handler

handler: ((e, event, extra?) => void)

Type declaration

    • (e, event, extra?): void

    • 事件回调处理

      Parameters

      Returns void

Private isMouseDown

isMouseDown: any

当前鼠标是否处于按下状态

Private isMouseMoved

isMouseMoved: any

maxFPS

maxFPS: number

Private Optional mouseDealType

mouseDealType?: any

当次鼠标事件处理类型

Private Optional mouseDownInfo

mouseDownInfo?: any

Private moveHandler

moveHandler: any

onMouseDown

onMouseDown: ((...args) => ((event) => void))

Type declaration

    • (...args): ((event) => void)

    • Parameters

      • Rest ...args: any[]

      Returns ((event) => void)

        • (event): void

        • Parameters

          • event: PointerEvent

          Returns void

Private onMouseMove

onMouseMove: any

Private onMouseUp

onMouseUp: any

onTouchDown

onTouchDown: ((...args) => ((event) => void))

Type declaration

    • (...args): ((event) => void)

    • Parameters

      • Rest ...args: any[]

      Returns ((event) => void)

        • (event): void

        • Parameters

          • event: TouchEvent

          Returns void

Private onTouchMove

onTouchMove: any

Private onTouchUp

onTouchUp: any

Private pressTimer

pressTimer: any

Private prevDiff

prevDiff: any

双指间距

Private prevVector

prevVector: any

双指方向

Private removeEventCache

removeEventCache: any

Private startDiff

startDiff: any

初始的间距

Private startVector

startVector: any

初始的方向

Private triggerEvent

triggerEvent: any

Private upHandler

upHandler: any

Private updateEventCache

updateEventCache: any

Private Optional useX

useX?: any

使用 x 还是 y 轴间距作为缩放系数计算因子

Static touchableDevice

touchableDevice: boolean

Methods

dispose

  • dispose(): void

  • Returns void

registerListener

  • registerListener(): void

  • Returns void

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