public static bool IsCursorOver(Mogre.OverlayElement element, Mogre.Vector2 cursorPos, float voidBorder)
{
if (element == null)
{
return(false);
}
Mogre.OverlayManager om = Mogre.OverlayManager.Singleton;
float detrivedLeft = element._getDerivedLeft();
float detrivedTop = element._getDerivedTop();
float l = detrivedLeft * om.ViewportWidth;
float t = detrivedTop * om.ViewportHeight;
float r = 0;
float b = 0;
if (element.MetricsMode == GuiMetricsMode.GMM_RELATIVE)
{
r = l + element.Width * om.ViewportWidth;
b = t + element.Height * om.ViewportHeight;
}
else if (element.MetricsMode == GuiMetricsMode.GMM_PIXELS)
{
r = l + element.Width;
b = t + element.Height;
}
bool b1 = cursorPos.x >= l + voidBorder;
bool b2 = cursorPos.x <= r - voidBorder;
bool b3 = cursorPos.y >= t + voidBorder;
bool b4 = cursorPos.y <= b - voidBorder;
return(b1 && b2 && b3 && b4);
}
/// <summary>
/// Static utility method used to get the cursor's offset from the center of an overlay element in pixels.
/// </summary>
public static Mogre.Vector2 CursorOffset(Mogre.OverlayElement element, Mogre.Vector2 cursorPos)
{
Mogre.OverlayManager om = Mogre.OverlayManager.Singleton;
return(new Mogre.Vector2(cursorPos.x - (element._getDerivedLeft() * om.ViewportWidth + element.Width / 2), cursorPos.y - (element._getDerivedTop() * om.ViewportHeight + element.Height / 2f)));
}