public static void CenterAnchor(RectCorner corner = RectCorner.UP_LEFT)
{
int undoID = MonkeyEditorUtils.CreateUndoGroup("Mirror Anchors");
foreach (Transform transform in Selection.transforms)
{
RectTransform t = transform as RectTransform;
RectTransform pt = t != null ? t.parent as RectTransform : null;
if (t == null || pt == null)
{
return;
}
Undo.RecordObject(t, "Mirror");
Undo.RecordObject(transform, "Mirror t");
Vector2 previousMax = t.anchorMax;
switch (corner)
{
case RectCorner.UP_RIGHT:
t.anchorMin = Vector2.one - t.anchorMax;
break;
case RectCorner.UP_LEFT:
t.anchorMax = new Vector2(1 - t.anchorMin.x, t.anchorMax.y);
t.anchorMin = new Vector2(t.anchorMin.x, 1 - previousMax.y);
break;
case RectCorner.BOTTOM_RIGHT:
t.anchorMax = new Vector2(t.anchorMax.x, 1 - t.anchorMin.y);
t.anchorMin = new Vector2(1 - previousMax.x, t.anchorMin.y);
break;
case RectCorner.BOTTOM_LEFT:
t.anchorMax = Vector2.one - t.anchorMin;
break;
default:
throw new ArgumentOutOfRangeException(nameof(corner), corner, null);
}
}
Undo.CollapseUndoOperations(undoID);
}
public static PointDouble GetCorner(this RectDouble rect, RectCorner corner)
{
switch (corner)
{
case RectCorner.TopLeft:
return(rect.TopLeft);
case RectCorner.TopRight:
return(rect.TopRight);
case RectCorner.BottomLeft:
return(rect.BottomLeft);
case RectCorner.BottomRight:
return(rect.BottomRight);
}
ExceptionUtil.ThrowInvalidEnumArgumentException <RectCorner>(corner, "corner");
return(new PointDouble());
}
public static IEnumerable <(int x, int y)> DiagonalIndices(int width, int height, RectCorner entryPoint)
{
for (int i = 0; i <= width + height - 2; i++)
{
int x = 0, y = 0;
switch (entryPoint)
{
case RectCorner.XMinYMin:
x = Math.Max(0, i - (height - 1));
y = i - x;
break;
case RectCorner.XMaxYMax:
x = Math.Max(0, width - 1 - i);
y = (width + height - 2) - i - x;
break;
case RectCorner.XMinYMax:
x = Math.Max(i - (height - 1), 0);
y = x + height - 1 - i;
break;
case RectCorner.XMaxYMin:
x = Math.Max(width - 1 - i, 0);
y = x - (width - 1) + i;
break;
}
while (0 <= x && x < width && 0 <= y && y < height)
{
yield return(x, y);
switch (entryPoint)
{
case RectCorner.XMinYMin:
case RectCorner.XMaxYMax:
x++;
y--;
break;
case RectCorner.XMinYMax:
case RectCorner.XMaxYMin:
x++;
y++;
break;
}
}
}
}