public static Vector2 GetTopLeftPosition(Size shape, Vector2 anchoredPosition, RectAnchors anchor)
{
switch (anchor)
{
case RectAnchors.Top:
return anchoredPosition - new Vector2(shape.Width / 2, 0);
case RectAnchors.TopRight:
return anchoredPosition - new Vector2(shape.Width, 0);
case RectAnchors.Left:
return anchoredPosition - new Vector2(0, shape.Height / 2);
case RectAnchors.Center:
return anchoredPosition - new Vector2(shape.Width / 2, shape.Height / 2);
case RectAnchors.Right:
return anchoredPosition - new Vector2(shape.Width, shape.Height / 2);
case RectAnchors.BottomLeft:
return anchoredPosition - new Vector2(0, shape.Height);
case RectAnchors.Bottom:
return anchoredPosition - new Vector2(shape.Width / 2, shape.Height);
case RectAnchors.BottomRight:
return anchoredPosition - new Vector2(shape.Width, shape.Height);
default:
return anchoredPosition;
}
}
public void SetViewportPosition(Vector2 position, RectAnchors anchor)
{
this.viewport.Position = AnchorHelper.GetTopLeftPosition(Size, position, anchor);
}
public Vector2 GetViewportPosition(RectAnchors anchor)
{
return AnchorHelper.GetAnchoredPosition(Size, ViewportPosition, anchor);
}
