/// <summary>
/// Raises the drag event.
/// </summary>
/// <param name="eventData">Event data.</param>
public virtual void OnDrag(PointerEventData eventData)
{
if (eventData.button != DragInputButton)
{
return;
}
if (canvas == null)
{
throw new MissingComponentException(gameObject.name + " not in Canvas hierarchy.");
}
Vector2 cur_pos;
Vector2 prev_pos;
RectTransformUtility.ScreenPointToLocalPointInRectangle(drag, eventData.position, eventData.pressEventCamera, out cur_pos);
RectTransformUtility.ScreenPointToLocalPointInRectangle(drag, eventData.position - eventData.delta, eventData.pressEventCamera, out prev_pos);
var new_pos = new Vector3(
drag.localPosition.x + (cur_pos.x - prev_pos.x),
drag.localPosition.y + (cur_pos.y - prev_pos.y),
drag.localPosition.z);
drag.localPosition = new_pos;
//分发OnDrag消息
if (OnDragEvent != null)
{
OnDragEvent.Invoke(eventData);
}
}
public void OnDrag(PointerEventData eventData)
{
if (OnDragEvent != null)
{
OnDragEvent.Invoke(eventData);
}
}
public void OnDrag(PointerEventData eventData)
{
if (interactable)
{
OnDragEvent?.Invoke(index);
}
}
protected override void Awake()
{
base.Awake();
if (onDragEvent == null)
{
onDragEvent = new OnDragEvent();
}
}
public void OnDrag(PointerEventData eventData)
{
if (PointerDownCalled == false)
{
return;
}
ToDrag.position = CachedDragPosition + ((Vector2)Input.mousePosition - CachedMousePosition);
OnDragEvent?.Invoke(eventData);
}
private void StartDrag()
{
currentDragType = DragType.Drag;
button.interactable = false;
isDragging = true;
SetParent();
OnDragEvent?.Invoke(true);
canvasGroup.blocksRaycasts = false;
dragVisuals.OnDrag(true);
}
/// <summary>
/// Every frame on this item drag
/// </summary>
/// <param name="data"></param>
public virtual void OnDrag(PointerEventData data)
{
if (icon != null)
{
icon.transform.position = Input.mousePosition; // Item's icon follows to cursor
if (OnDragEvent != null)
{
OnDragEvent.Invoke(data);
}
}
}
public void StopDrag()
{
StopAllCoroutines();
currentDragType = DragType.Scroll;
isDragging = false;
SetParent();
OnDragEvent?.Invoke(false);
button.interactable = true;
canvasGroup.blocksRaycasts = true;
dragVisuals.OnDrag(false);
}
public void OnDrag(PointerEventData eventData)
{
if (eventData.button != PointerEventData.InputButton.Left)
{
return;
}
if (zooming_)
{
return;
}
OnDragEvent.Invoke(eventData);
}
public void OnDrag(PointerEventData eventData)
{
var delta = eventData.delta;
var relativePosition = (Vector2)transform.position - eventData.position;
var theta = Mathf.Rad2Deg * Mathf.Atan2(relativePosition.y, relativePosition.x);
var fixedDelta = delta.RotateAroundZ(Vector3.zero, (360 - theta) % 360);
var rotationAmount = delta.sqrMagnitude * Mathf.Sign(fixedDelta.y) * speedFactor;
rotationAmount = Mathf.Clamp(rotationAmount, -deltaClamp, deltaClamp);
if (Math.Abs(rotationAmount) < dragThreshold)
{
return;
}
RadialUI.RotateRadial(-rotationAmount);
eventData.delta = fixedDelta;
OnDragEvent?.Invoke(eventData);
}
private void OnDrag(InputAction.CallbackContext callbackContext)
{
if (IsInputNotValidState())
{
return;
}
if (isPress == false)
{
return;
}
OnDragEvent?.Invoke(touchPosition.ReadValue <Vector2>());
#if DEBUGGING
Debug.Log($"Dragging {touchPosition.ReadValue<Vector2>()}");
#endif
}
public void OnDrag(PointerEventData eventData)
{
DragEvent sDragEvent = new DragEvent(this, EDragState.Stay, Input.mousePosition);
foreach (var pDragLogic_KeyPair in _mapDragLogic)
{
if (ContainEnumFlag(pDragLogic_KeyPair.Key, EDragState.Stay) == false)
{
continue;
}
foreach (var pLogic in pDragLogic_KeyPair.Value)
{
pLogic.OnDragEvent(sDragEvent);
}
}
OnDragEvent?.Invoke(sDragEvent);
}
public void Update()
{
var touching = BaseInput.IsTouching(true);
if (touching)
{
var touch0Position = BaseInput.GetTouchPosition(0).y;
var touch1Position = BaseInput.GetTouchPosition(1).y;
var position = (touch0Position + touch1Position) * 0.5f;
if (!Panning)
{
if (!WasTouching)
{
LastPosition = position;
}
var delta = Mathf.Abs(position - LastPosition);
if (!Rotating && delta >= Threshold)
{
LastPosition = position;
Panning = true;
}
}
if (Panning)
{
var delta = position - LastPosition;
OnDragEvent.Invoke(Vector3.up * (delta * Ratio));
LastPosition = position;
}
}
if (!touching && Panning)
{
Panning = false;
OnReleaseEvent.Invoke();
}
WasTouching = touching;
}
public void ClearDragEvent()
{
{
if (OnDragEvent != null)
{
Delegate[] invokeList = OnDragEvent.GetInvocationList();
if (invokeList != null)
{
foreach (Delegate del in invokeList)
{
OnDragEvent -= (OnDragDlg)del;
}
}
}
}
{
if (OnBeginDragEvent != null)
{
Delegate[] invokeList = OnBeginDragEvent.GetInvocationList();
if (invokeList != null)
{
foreach (Delegate del in invokeList)
{
OnBeginDragEvent -= (OnBeginDragDlg)del;
}
}
}
}
{
if (OnEndDragEvent != null)
{
Delegate[] invokeList = OnEndDragEvent.GetInvocationList();
if (invokeList != null)
{
foreach (Delegate del in invokeList)
{
OnEndDragEvent -= (OnEndDragDlg)del;
}
}
}
}
}
private void Update()
{
if (!Dragging || Selected == null)
{
return;
}
if (Raycast(BaseInput.GetTouchPosition(), out var planePosition))
{
var delta = planePosition - LastPosition;
if (Mathf.Approximately(delta.x, 0) && Mathf.Approximately(delta.y, 0) && Mathf.Approximately(delta.z, 0))
{
return;
}
OnDragEvent.Invoke(delta);
LastPosition = planePosition;
}
}
/// <summary>
/// 拖拽
/// </summary>
/// <param name="_eventData">参数</param>
public void OnDrag(PointerEventData _eventData)
{
if (_eventData.dragging)
{
RectTransform canvas = (RectTransform)mMaskableGraphic.canvas.transform;
Vector2 mouseUguiPos = Vector2.zero;
RectTransform dragTransform = (RectTransform)_eventData.pointerDrag.transform;
if (RectTransformUtility.RectangleContainsScreenPoint(canvas, _eventData.position, _eventData.pressEventCamera))
{//如果鼠标在屏幕内
bool isRect = RectTransformUtility.ScreenPointToLocalPointInRectangle(
canvas, _eventData.position, _eventData.pressEventCamera, out mouseUguiPos);
if (isRect)//如果在
{
//设置图片的ugui坐标与鼠标的ugui坐标保持不变
dragTransform.anchoredPosition = mOffset + mouseUguiPos;
dragTransform.FixedPositionInCanvas(canvas);
}
}
OnDragEvent?.Invoke(this, _eventData);
}
}
//鼠标拖拽时的操作;
public void OnDrag(PointerEventData eventData)
{
float delta = eventData.delta.x / Screen.width;
const float ffff = 0.06f;
float ad = Mathf.Abs(delta);
float t = Mathf.Sign(delta) * (ad * ad + 2f * ad * ffff);
mAcc = mAcc * 0.2f + 1E4f * t / (Time.time - mPrevDrag);
if (mAcc >= 0f)
{
mAcc = Mathf.Lerp(k_friction, k_max_acc, mAcc / k_max_acc);
}
else
{
mAcc = Mathf.Lerp(-k_friction, -k_max_acc, -mAcc / k_max_acc);
}
//Log.dtf("zw", "acc : {0}", mAcc);
mPrevDrag = Time.time;
if (OnDragEvent != null)
{
OnDragEvent.Invoke(eventData);
}
}
/// <summary>
/// On drag.
/// </summary>
/// <param name="eventData">Pointer event data.</param>
public void OnDrag(PointerEventData eventData)
{
OnDragEvent?.Invoke(eventData);
}
public void OnDrag(PointerEventData eventData)
{
//if (item != null)
OnDragEvent?.Invoke(this);
}
void IDragHandler.OnDrag(PointerEventData eventData)
{
OnDragEvent.Invoke(eventData);
}
public void OnDrag(BaseEventData eventData)
{
OnDragEvent?.Invoke(this);
}
public void OnDrag(PointerEventData eventData) => OnDragEvent?.Invoke(this);