/// <summary>
/// Solve the flash problem! (JCS_CheckableObject)
///
/// Check if the mouse still on top of the image!
///
/// ATTENTIOIN(jenchieh): this will not work on the
/// resizable window.
/// </summary>
/// <returns></returns>
public static bool MouseOverGUI(RectTransform imageRect, RectTransform rootPanel = null)
{
Vector2 mousePos = JCS_Input.MousePositionOnGUILayer();
Vector2 checkPos = imageRect.localPosition;
if (rootPanel != null)
{
checkPos += new Vector2(rootPanel.localPosition.x, rootPanel.localPosition.y);
}
// this item image size
Vector2 slotRect = imageRect.sizeDelta;
float halfSlotWidth = slotRect.x / 2 * imageRect.localScale.x;
float halfSlotHeight = slotRect.y / 2 * imageRect.localScale.y;
float leftBorder = checkPos.x - halfSlotWidth;
float rightBorder = checkPos.x + halfSlotWidth;
float topBorder = checkPos.y + halfSlotHeight;
float bottomBorder = checkPos.y - halfSlotHeight;
// Basic AABB collide math
if (mousePos.x <= rightBorder &&
mousePos.x >= leftBorder &&
mousePos.y <= topBorder &&
mousePos.y >= bottomBorder)
{
return(true);
}
return(false);
}
//========================================
// Self-Define
//------------------------------
//----------------------
// Public Functions
public void FollowMouse(JCS_2D8Direction point)
{
if (mPanelRectTransform == null)
{
return;
}
// point we going to pop this dialogue
Vector3 showPoint = JCS_Input.MousePositionOnGUILayer();
Vector2 dialogueRect = mPanelRectTransform.sizeDelta;
float halfPanelWidth = dialogueRect.x / 2 * mPanelRectTransform.localScale.x;
float halfPanelHeight = dialogueRect.y / 2 * mPanelRectTransform.localScale.x;;
switch (point)
{
case JCS_2D8Direction.TOP:
showPoint.y -= halfPanelHeight;
break;
case JCS_2D8Direction.BOTTOM:
showPoint.y += halfPanelHeight;
break;
case JCS_2D8Direction.RIGHT:
showPoint.x -= halfPanelWidth;
break;
case JCS_2D8Direction.LEFT:
showPoint.x += halfPanelWidth;
break;
case JCS_2D8Direction.TOP_LEFT:
showPoint.y -= halfPanelHeight;
showPoint.x += halfPanelWidth;
break;
case JCS_2D8Direction.TOP_RIGHT:
showPoint.y -= halfPanelHeight;
showPoint.x -= halfPanelWidth;
break;
case JCS_2D8Direction.BOTTOM_LEFT:
showPoint.y += halfPanelHeight;
showPoint.x += halfPanelWidth;
break;
case JCS_2D8Direction.BOTTOM_RIGHT:
showPoint.y += halfPanelHeight;
showPoint.x -= halfPanelWidth;
break;
}
this.mPanelRectTransform.localPosition = showPoint;
if (mFitPushScreen)
{
FitPushScreen();
}
}
