Very useful RectTransform extension methods

Recently I came across this question that had some really handy extension methods I thought I'd share. I've added AnchorToCorners as well. Feel free to share what you found useful for you

Code (csharp):

1.  
2.   public static class RectTransformExtensions
3.    {
4.      public static void AnchorToCorners(this RectTransform transform)
5.      {
6.        if (transform == null)
7.          throw new ArgumentNullException("transform");
8.  
9.        if (transform.parent == null)
10.          return;
11.  
12.        var parent = transform.parent.GetComponent<RectTransform>();
13.  
14.        Vector2 newAnchorsMin = new Vector2(transform.anchorMin.x + transform.offsetMin.x / parent.rect.width,
15.                          transform.anchorMin.y + transform.offsetMin.y / parent.rect.height);
16.  
17.        Vector2 newAnchorsMax = new Vector2(transform.anchorMax.x + transform.offsetMax.x / parent.rect.width,
18.                          transform.anchorMax.y + transform.offsetMax.y / parent.rect.height);
19.  
20.        transform.anchorMin = newAnchorsMin;
21.        transform.anchorMax = newAnchorsMax;
22.        transform.offsetMin = transform.offsetMax = new Vector2(0, 0);
23.      }
24.  
25.      public static void SetPivotAndAnchors(this RectTransform trans, Vector2 aVec)
26.      {
27.        trans.pivot = aVec;
28.        trans.anchorMin = aVec;
29.        trans.anchorMax = aVec;
30.      }
31.  
32.      public static Vector2 GetSize(this RectTransform trans)
33.      {
34.        return trans.rect.size;
35.      }
36.  
37.      public static float GetWidth(this RectTransform trans)
38.      {
39.        return trans.rect.width;
40.      }
41.  
42.      public static float GetHeight(this RectTransform trans)
43.      {
44.        return trans.rect.height;
45.      }
46.  
47.      public static void SetSize(this RectTransform trans, Vector2 newSize)
48.      {
49.        Vector2 oldSize = trans.rect.size;
50.        Vector2 deltaSize = newSize - oldSize;
51.        trans.offsetMin = trans.offsetMin - new Vector2(deltaSize.x * trans.pivot.x, deltaSize.y * trans.pivot.y);
52.        trans.offsetMax = trans.offsetMax + new Vector2(deltaSize.x * (1f - trans.pivot.x), deltaSize.y * (1f - trans.pivot.y));
53.      }
54.  
55.      public static void SetWidth(this RectTransform trans, float newSize)
56.      {
57.        SetSize(trans, new Vector2(newSize, trans.rect.size.y));
58.      }
59.  
60.      public static void SetHeight(this RectTransform trans, float newSize)
61.      {
62.        SetSize(trans, new Vector2(trans.rect.size.x, newSize));
63.      }
64.  
65.      public static void SetBottomLeftPosition(this RectTransform trans, Vector2 newPos)
66.      {
67.        trans.localPosition = new Vector3(newPos.x + (trans.pivot.x * trans.rect.width), newPos.y + (trans.pivot.y * trans.rect.height), trans.localPosition.z);
68.      }
69.  
70.      public static void SetTopLeftPosition(this RectTransform trans, Vector2 newPos)
71.      {
72.        trans.localPosition = new Vector3(newPos.x + (trans.pivot.x * trans.rect.width), newPos.y - ((1f - trans.pivot.y) * trans.rect.height), trans.localPosition.z);
73.      }
74.  
75.      public static void SetBottomRightPosition(this RectTransform trans, Vector2 newPos)
76.      {
77.        trans.localPosition = new Vector3(newPos.x - ((1f - trans.pivot.x) * trans.rect.width), newPos.y + (trans.pivot.y * trans.rect.height), trans.localPosition.z);
78.      }
79.  
80.      public static void SetRightTopPosition(this RectTransform trans, Vector2 newPos)
81.      {
82.        trans.localPosition = new Vector3(newPos.x - ((1f - trans.pivot.x) * trans.rect.width), newPos.y - ((1f - trans.pivot.y) * trans.rect.height), trans.localPosition.z);
83.      }
84.    }
85.  

 

I did an asset called "Rect Transform Extended" with this kind of solutions, take a look:
http://forum.unity3d.com/threads/released-ui-rect-transform-extended.403626/

 

Trying to set size for last 2 hours and then found this script, thought will not work but is worked like a charm thank you. you are the man!

 

it says SetSize doesn't exist? i want to set the height and width of my button