public virtual void OnPointerDown(PointerEventData e)
{
if (flags == CursorFlag.None)
{
return;
}
grip = flags;
OnDrag(e);
}
public virtual void OnPointerUp(PointerEventData e)
{
grip = CursorFlag.None;
if (!onUI)
{
flags = CursorFlag.None;
Cursor.SetCursor(null, Vector2.zero, CursorMode.Auto);
}
}
public virtual void OnPointerExit(PointerEventData e)
{
onUI = false;
if (grip != CursorFlag.None)
{
return;
}
flags = CursorFlag.None;
Cursor.SetCursor(null, Vector2.zero, CursorMode.Auto);
}
protected virtual void Update()
{
if (!onUI || grip != CursorFlag.None)
{
return;
}
var r = rect.rect;
var v2 = rect.InverseTransformPoint(Input.mousePosition);
if (v2.x <= r.x + edgeWidth)
{
flags |= CursorFlag.Left;
}
else
{
flags &= ~CursorFlag.Left;
}
if (v2.y <= r.y + edgeWidth)
{
flags |= CursorFlag.Bottom;
}
else
{
flags &= ~CursorFlag.Bottom;
}
if (v2.x >= r.x + r.width - edgeWidth)
{
flags |= CursorFlag.Right;
}
else
{
flags &= ~CursorFlag.Right;
}
if (v2.y >= r.y + r.height - edgeWidth)
{
flags |= CursorFlag.Top;
}
else
{
flags &= ~CursorFlag.Top;
}
if ((flags & CursorFlag.TL) == CursorFlag.TL || (flags & CursorFlag.BR) == CursorFlag.BR)
{
Cursor.SetCursor(NWSE_Cursor, new Vector2(16, 16), CursorMode.Auto);
}
else if ((flags & CursorFlag.TR) == CursorFlag.TR || (flags & CursorFlag.BL) == CursorFlag.BL)
{
Cursor.SetCursor(NESW_Cursor, new Vector2(16, 16), CursorMode.Auto);
}
else if ((flags & CursorFlag.Top) == CursorFlag.Top || (flags & CursorFlag.Bottom) == CursorFlag.Bottom)
{
Cursor.SetCursor(NS_Cursor, new Vector2(16, 16), CursorMode.Auto);
}
else if ((flags & CursorFlag.Left) == CursorFlag.Left || (flags & CursorFlag.Right) == CursorFlag.Right)
{
Cursor.SetCursor(WE_Cursor, new Vector2(16, 16), CursorMode.Auto);
}
else
{
Cursor.SetCursor(null, Vector2.zero, CursorMode.Auto);
}
}
protected virtual void OnEnable()
{
onUI = false;
flags = grip = CursorFlag.None;
}
