private DragDirectionEnum GetMoveDirection(Vector2 delta)
{
float xMove = Mathf.Abs(delta.x);
float yMove = Mathf.Abs(delta.y);
DragDirectionEnum dir = DragDirectionEnum.DragDirNone;
if (xMove < xLimit && yMove < yLimit)
{
return(dir);
}
if (xMove > yMove)
{
if (currentTouch.delta.x > 0)
{
dir = DragDirectionEnum.DragRight;
}
else
{
dir = DragDirectionEnum.DragLeft;
}
}
else
{
if (currentTouch.delta.y > 0)
{
dir = DragDirectionEnum.DragUp;
}
else
{
dir = DragDirectionEnum.DragDown;
}
}
return(dir);
}
private void ProgressTouch(bool press, bool up)
{
if (press)
{
currentTouch.lastPos = currentTouch.pos;
currentTouch.dragState = TouchDragState.Begin;
currentTouch.delta = currentTouch.totalDelta = Vector2.zero;
currentTouch.IsDraging = false;
}
else if (currentTouch.dragState != TouchDragState.End)
{
Vector2 delta = currentTouch.pos - currentTouch.lastPos;
currentTouch.totalDelta += delta;
if (currentTouch.dragState == TouchDragState.Begin && delta.magnitude != 0)
{
currentTouch.delta = currentTouch.totalDelta;
currentTouch.dragState = TouchDragState.StartDrag;
}
else if (currentTouch.dragState == TouchDragState.StartDrag)
{
float drag = useMouse ? mouseDragThreshold : touchDragThreshold;
if (drag < currentTouch.totalDelta.magnitude)
{
currentTouch.dragState = TouchDragState.Drag;
currentTouch.delta = delta;
if (DragBegin != null && !currentTouch.IsDraging)
{
DragBegin(currentTouch.pos);
}
currentTouch.IsDraging = false;
}
}
if (currentTouch.dragState == TouchDragState.Drag)
{
currentTouch.dragState = TouchDragState.StartDrag;
if (Drag != null)
{
Drag(currentTouch.pos, currentTouch.delta);
}
if (DragDirection != null)
{
DragDirectionEnum dir = GetMoveDirection(currentTouch.delta);
DragDirection(dir, Mathf.Abs(currentTouch.delta.y));
}
if (DragFixDirection != null)
{
List <DragDirectionEnum> list = GetMoveFixDirection(currentTouch.delta);
if (list != null && list.Count != 0)
{
foreach (var item in list)
{
DragFixDirection(item, delta);
}
}
}
currentTouch.IsDraging = true;
}
}
if (up)
{
currentTouch.dragState = TouchDragState.End;
if (DragOver != null)
{
DragOver(currentTouch.pos);
}
currentTouch.IsDraging = false;
}
}