private GameObject AddCorner(Corners corner)
{
GameObject go = new GameObject("Corner " + corner.ToString());
Image img = go.AddComponent <Image>();
img.color = _cornerColor;
if (_cornerSprite != null)
{
img.sprite = _cornerSprite;
}
ResizableUICorner resizableUICorner = go.AddComponent <ResizableUICorner>();
resizableUICorner.ResizableUIComponent = this;
resizableUICorner.DraggableID = corner;
RectTransform imgRect = img.GetComponent <RectTransform>();
imgRect.pivot = new Vector2(0.5f, 0.5f);
imgRect.SetParent(transform);
switch (corner)
{
case Corners.TopLeft:
imgRect.SetAnchorTopLeft(true);
break;
case Corners.TopRight:
imgRect.SetAnchorTopRight(true);
break;
case Corners.BottomLeft:
imgRect.SetAnchorBottomLeft(true);
break;
case Corners.BottomRight:
imgRect.SetAnchorBottomRight(true);
break;
}
imgRect.sizeDelta = new Vector2(_cornerSize, _cornerSize);
go.SetActive(false);
return(go);
}
public void UpdateSize(ResizableUICorner corner, Vector2 change)
{
Vector2 offsetMin = _rectTransform.offsetMin;
Vector2 offsetMax = _rectTransform.offsetMax;
float newX;
float newY;
switch (corner.DraggableID)
{
case Corners.TopLeft:
newX = Mathf.Min(offsetMin.x - change.x, offsetMax.x);
newY = Mathf.Max(offsetMax.y - change.y, offsetMin.y);
_rectTransform.offsetMin = Vector2.Lerp(_rectTransform.offsetMin, new Vector2(newX, offsetMin.y), Time.deltaTime * 50f);
_rectTransform.offsetMax = Vector2.Lerp(_rectTransform.offsetMax, new Vector2(offsetMax.x, newY), Time.deltaTime * 50f);
break;
case Corners.TopRight:
newX = Mathf.Max(offsetMax.x - change.x, offsetMin.x);
newY = Mathf.Max(offsetMax.y - change.y, offsetMin.y);
_rectTransform.offsetMax = Vector2.Lerp(_rectTransform.offsetMax, new Vector2(newX, newY), Time.deltaTime * 50f);
break;
case Corners.BottomLeft:
newX = Mathf.Min(offsetMin.x - change.x, offsetMax.x);
newY = Mathf.Min(offsetMin.y - change.y, offsetMax.y);
_rectTransform.offsetMin = Vector2.Lerp(_rectTransform.offsetMin, new Vector2(newX, newY), Time.deltaTime * 50f);
break;
case Corners.BottomRight:
newX = Mathf.Max(offsetMax.x - change.x, offsetMin.x);
newY = Mathf.Min(offsetMin.y - change.y, offsetMax.y);
_rectTransform.offsetMax = Vector2.Lerp(_rectTransform.offsetMax, new Vector2(newX, offsetMax.y), Time.deltaTime * 50f);
_rectTransform.offsetMin = Vector2.Lerp(_rectTransform.offsetMin, new Vector2(offsetMin.x, newY), Time.deltaTime * 50f);
break;
}
}
