（二十一）unity4.6學習Ugui中文文檔-------互動-Supported Events & Raycasters，ugui-supported

（二十一）unity4.6學習Ugui中文文檔-------互動-Supported Events & Raycasters，ugui-supported

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完整的教程：http://www.unitymanual.com/thread-26665-1-1.html

5.2 Supported Events

Eventsystem支援大量的事件，並且他們可以進一步定製在使用者自訂的使用者編寫的 InputModules中。

支援的StandaloneInputModule和 TouchInputModule的事件提供的介面和所實現的介面可以在 MonoBehaviour中實現。如果你有有效 EventSystem配置的事件會在正確的時間被調用。

•IPointerEnterHandler - OnPointerEnter -Called when a pointer enters the object

•IPointerExitHandler - OnPointerExit - Calledwhen a pointer exits the object

•IPointerDownHandler - OnPointerDown - Calledwhen a pointer is pressed on the object

•IPointerUpHandler - OnPointerUp - Calledwhen a pointer is released (called on the original the pressed object)

•IPointerClickHandler - OnPointerClick -Called when a pointer is pressed and released on the same object

•IBeginDragHandler - OnBeginDrag - Called onthe drag object when dragging is about to begin

•IDragHandler - OnDrag - Called on the dragobject when a drag is happening

•IEndDragHandler - OnEndDrag - Called on thedrag object when a drag finishes

•IDropHandler - OnDrop - Called on the objectwhere a drag finishes

•IScrollHandler - OnScroll - Called when amouse wheel scrolls

•IUpdateSelectedHandler - OnUpdateSelected -Called on the selected object each tick

•ISelectHandler - OnSelect - Called when theobject becomes the selected object

•IDeselectHandler - OnDeselect - Called onthe selected object becomes deselected

•IMoveHandler - OnMove - Called when a moveevent occurs (left, right, up, down, ect)

•ISubmitHandler - OnSubmit - Called when thesubmit button is pressed

•ICancelHandler - OnCancel - Called when thecancel button is pressed

•IPointerEnterHandler-OnPointerEnter-當pointer指標進入該對象時調用

•IPointerExitHandler-OnPointerExit- pointer指標退出該對象時調用

•IPointerDownHandler-OnPointerDown-當指標在對象上按下時調用

•IPointerUpHandler-OnPointerUp-pointer指標被釋放（原狀態為被按下）時調用

•IPointerClickHandler-OnPointerClick-pointer指標在同一對象上按下並釋放時調用（單擊）

•IBeginDragHandler-OnBeginDrag-拖動對象在拖動開始時調用

•IDragHandler-OnDrag-拖動對象，當拖動正在發生進行時調用

•IEndDragHandler-OnEndDrag-拖動對象拖動完成時調用

•IDropHandler-OnDrop-對該對象拖動完成時調用

•IScrollHandler-OnScroll-當滑鼠滾輪滾動時調用

•IUpdateSelectedHandler-OnUpdateSelected-在選定的對象上eachtick中調用

•ISelectHandler-OnSelect-當對象成為所選的對象時調用

•IDeselectHandler-OnDeselect-在被選定的對象成為取消被選擇時調用

•IMoveHandler-OnMove-移動事件發生時調用（左、右、上、下等）

•ISubmitHandler-OnSubmit-當按下提交按鈕時調用

•ICancelHandler-OnCancel-當按下取消按鈕時調用

 

5.3 Raycasters

EventSystem需要一種方法用於檢測當前的輸入的事件需要發送到什麼上，而這由 Raycasters提供的。Raycasters搜尋scene返回給定的螢幕的位置上‘most valid’（最有效）的對象。有幾種類型的 Raycasters被提供：

•GraphicRaycaster - Used for UI elements,lives on a Canvas and searches within the canvas

•Physics2DRaycaster - Used for 2D physicselements

•PhysicsRaycaster - Used for 3D physics elements

•GraphicRaycaster-用於 UI 元素，在畫布上，畫布內搜尋

•Physics2DRaycaster-用於為 2D 物理元素

•PhysicsRaycaster-用於為三維物理元素

當一個情境中存在並且啟用了Raycaster時，它將被用於EventSystem隨時查詢InputModule是誰發出的。

 

ugui Unity3d什版本才可以用

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