private void SetUpCustomAnchors(RectTransform rectTransform, CustomAnchorTypes customAnchorType)
{
Vector2 pivot = rectTransform.pivot;
//rectTransform.pivot = new Vector2(0.5f, 0.5f);
var absoluteSize = RectTransformUtilities.GetAbsoluteSize(rectTransform);
var absolutePos = RectTransformUtilities.GetAbsolutePosition(rectTransform);
var parentAbsoluteSize = RectTransformUtilities.GetAbsoluteSize(rectTransform.parent.GetComponent <RectTransform>());
var offsetForAnchors = new Vector2((0.5f - rectTransform.pivot.x) * rectTransform.sizeDelta.x, (0.5f - rectTransform.pivot.y) * rectTransform.sizeDelta.y);
var offsetForAnchoredPosition = new Vector2((0.5f - rectTransform.pivot.x) * absoluteSize.x, (0.5f - rectTransform.pivot.y) * absoluteSize.y);
Debug.Log(offsetForAnchors);
Debug.Log(offsetForAnchoredPosition);
absolutePos += offsetForAnchors;
rectTransform.pivot = new Vector2(0.5f, 0.5f);
rectTransform.anchorMin = new Vector2();
rectTransform.anchorMax = new Vector2();
rectTransform.anchorMin = CustomAnchorMin(absoluteSize, absolutePos, parentAbsoluteSize, rectTransform.pivot, customAnchorType);
rectTransform.anchorMax = CustomAnchorMax(absoluteSize, absolutePos, parentAbsoluteSize, rectTransform.pivot, customAnchorType);
rectTransform.anchoredPosition = CustomAnchorPosition(absoluteSize, customAnchorType, offsetForAnchoredPosition);
rectTransform.sizeDelta = CustomAnchorSize(absoluteSize, customAnchorType);
rectTransform.pivot = pivot;
}
private Vector2 CustomAnchorSize(Vector2 absoluteSize, CustomAnchorTypes customAnchorType)
{
switch (customAnchorType)
{
case CustomAnchorTypes.OnCorners:
return(new Vector2());
case CustomAnchorTypes.StretchX:
return(new Vector2(0f, absoluteSize.y));
case CustomAnchorTypes.StretchX_Bottom:
return(new Vector2(0f, absoluteSize.y));
case CustomAnchorTypes.StretchX_Top:
return(new Vector2(0f, absoluteSize.y));
case CustomAnchorTypes.StretchY:
return(new Vector2(absoluteSize.x, 0f));
case CustomAnchorTypes.StretchY_Left:
return(new Vector2(absoluteSize.x, 0f));
case CustomAnchorTypes.StretchY_Right:
return(new Vector2(absoluteSize.x, 0f));
case CustomAnchorTypes.LeftTopCorner:
return(new Vector2(absoluteSize.x, absoluteSize.y));
case CustomAnchorTypes.Top:
return(new Vector2(absoluteSize.x, absoluteSize.y));
case CustomAnchorTypes.RightTopCorner:
return(new Vector2(absoluteSize.x, absoluteSize.y));
case CustomAnchorTypes.Left:
return(new Vector2(absoluteSize.x, absoluteSize.y));
case CustomAnchorTypes.Center:
return(new Vector2(absoluteSize.x, absoluteSize.y));
case CustomAnchorTypes.Right:
return(new Vector2(absoluteSize.x, absoluteSize.y));
case CustomAnchorTypes.LeftBottomCorner:
return(new Vector2(absoluteSize.x, absoluteSize.y));
case CustomAnchorTypes.Bottom:
return(new Vector2(absoluteSize.x, absoluteSize.y));
case CustomAnchorTypes.RightBottomCorner:
return(new Vector2(absoluteSize.x, absoluteSize.y));
default:
return(new Vector2());
}
}
private Vector2 CustomAnchorPosition(Vector2 absoluteSize, CustomAnchorTypes customAnchorType, Vector2 offset)
{
switch (customAnchorType)
{
case CustomAnchorTypes.OnCorners:
return(new Vector2());
case CustomAnchorTypes.StretchX:
return(new Vector2(0, -offset.y));
case CustomAnchorTypes.StretchX_Bottom:
return(new Vector2(0f, absoluteSize.y / 2 - offset.y));
case CustomAnchorTypes.StretchX_Top:
return(new Vector2(0f, -absoluteSize.y / 2 - offset.y));
case CustomAnchorTypes.StretchY:
return(new Vector2(-offset.x, 0));
case CustomAnchorTypes.StretchY_Left:
return(new Vector2(absoluteSize.x / 2 - offset.x, 0));
case CustomAnchorTypes.StretchY_Right:
return(new Vector2(-absoluteSize.x / 2 - offset.x, 0));
case CustomAnchorTypes.LeftTopCorner:
return(new Vector2(absoluteSize.x / 2, -absoluteSize.y / 2) - offset);
case CustomAnchorTypes.Top:
return(new Vector2(0f, -absoluteSize.y / 2) - offset);
case CustomAnchorTypes.RightTopCorner:
return(new Vector2(-absoluteSize.x / 2, -absoluteSize.y / 2) - offset);
case CustomAnchorTypes.Left:
return(new Vector2(absoluteSize.x / 2, 0f) - offset);
case CustomAnchorTypes.Center:
return(new Vector2() - offset);
case CustomAnchorTypes.Right:
return(new Vector2(-absoluteSize.x / 2, 0f) - offset);
case CustomAnchorTypes.LeftBottomCorner:
return(new Vector2(absoluteSize.x / 2, absoluteSize.y / 2) - offset);
case CustomAnchorTypes.Bottom:
return(new Vector2(0f, absoluteSize.y / 2) - offset);
case CustomAnchorTypes.RightBottomCorner:
return(new Vector2(-absoluteSize.x / 2, absoluteSize.y / 2) - offset);
default:
return(new Vector2() - offset);
}
}
public void SetCutomAnchorsButton_OnClick(CustomAnchorTypes customAnchorType)
{
//Iterate over all targets in this editor
foreach (var t in targets)
{
//Register changes made for specific rect transform
Undo.RecordObject(t, ButtonText);
//Set anchor which depends on given parameter customAnchorType
SetUpCustomAnchors(t as RectTransform, customAnchorType);
}
}
private Vector2 CustomAnchorMax(Vector2 absoluteSize, Vector2 absolutePos, Vector2 parentAbsoluteSize, Vector2 pivot,
CustomAnchorTypes customAnchorType)
{
float anchorMaxX = 0f;
float anchorMaxY = 0f;
switch (customAnchorType)
{
case CustomAnchorTypes.OnCorners:
anchorMaxX = (absolutePos.x + absoluteSize.x * (1.0f - pivot.x)) / parentAbsoluteSize.x;
anchorMaxY = (absolutePos.y + absoluteSize.y * (1.0f - pivot.y)) / parentAbsoluteSize.y;
break;
case CustomAnchorTypes.StretchX:
anchorMaxX = (absolutePos.x + absoluteSize.x * (1.0f - pivot.x)) / parentAbsoluteSize.x;
anchorMaxY = absolutePos.y / parentAbsoluteSize.y;
break;
case CustomAnchorTypes.StretchX_Bottom:
anchorMaxX = (absolutePos.x + absoluteSize.x * (1.0f - pivot.x)) / parentAbsoluteSize.x;
anchorMaxY = (absolutePos.y - absoluteSize.y * pivot.y) / parentAbsoluteSize.y;
break;
case CustomAnchorTypes.StretchX_Top:
anchorMaxX = (absolutePos.x + absoluteSize.x * (1.0f - pivot.x)) / parentAbsoluteSize.x;
anchorMaxY = (absolutePos.y + absoluteSize.y * (1.0f - pivot.y)) / parentAbsoluteSize.y;
break;
case CustomAnchorTypes.StretchY:
anchorMaxX = absolutePos.x / parentAbsoluteSize.x;
anchorMaxY = (absolutePos.y + absoluteSize.y * (1.0f - pivot.y)) / parentAbsoluteSize.y;
break;
case CustomAnchorTypes.StretchY_Left:
anchorMaxX = (absolutePos.x - absoluteSize.x * pivot.x) / parentAbsoluteSize.x;
anchorMaxY = (absolutePos.y + absoluteSize.y * (1.0f - pivot.y)) / parentAbsoluteSize.y;
break;
case CustomAnchorTypes.StretchY_Right:
anchorMaxX = (absolutePos.x + absoluteSize.x * (1.0f - pivot.x)) / parentAbsoluteSize.x;
anchorMaxY = (absolutePos.y + absoluteSize.y * (1.0f - pivot.y)) / parentAbsoluteSize.y;
break;
case CustomAnchorTypes.LeftTopCorner:
anchorMaxX = (absolutePos.x - absoluteSize.x * pivot.x) / parentAbsoluteSize.x;
anchorMaxY = (absolutePos.y + absoluteSize.y * (1.0f - pivot.y)) / parentAbsoluteSize.y;
break;
case CustomAnchorTypes.Top:
anchorMaxX = absolutePos.x / parentAbsoluteSize.x;
anchorMaxY = (absolutePos.y + absoluteSize.y * (1.0f - pivot.y)) / parentAbsoluteSize.y;
break;
case CustomAnchorTypes.RightTopCorner:
anchorMaxX = (absolutePos.x + absoluteSize.x * (1.0f - pivot.x)) / parentAbsoluteSize.x;
anchorMaxY = (absolutePos.y + absoluteSize.y * (1.0f - pivot.y)) / parentAbsoluteSize.y;
break;
case CustomAnchorTypes.Left:
anchorMaxX = (absolutePos.x - absoluteSize.x * pivot.x) / parentAbsoluteSize.x;
anchorMaxY = absolutePos.y / parentAbsoluteSize.y;
break;
case CustomAnchorTypes.Center:
anchorMaxX = absolutePos.x / parentAbsoluteSize.x;
anchorMaxY = absolutePos.y / parentAbsoluteSize.y;
break;
case CustomAnchorTypes.Right:
anchorMaxX = (absolutePos.x + absoluteSize.x * (1.0f - pivot.x)) / parentAbsoluteSize.x;
anchorMaxY = absolutePos.y / parentAbsoluteSize.y;
break;
case CustomAnchorTypes.LeftBottomCorner:
anchorMaxX = (absolutePos.x - absoluteSize.x * pivot.x) / parentAbsoluteSize.x;
anchorMaxY = (absolutePos.y - absoluteSize.y * pivot.y) / parentAbsoluteSize.y;
break;
case CustomAnchorTypes.Bottom:
anchorMaxX = absolutePos.x / parentAbsoluteSize.x;
anchorMaxY = (absolutePos.y - absoluteSize.y * pivot.y) / parentAbsoluteSize.y;
break;
case CustomAnchorTypes.RightBottomCorner:
anchorMaxX = (absolutePos.x + absoluteSize.x * (1.0f - pivot.x)) / parentAbsoluteSize.x;
anchorMaxY = (absolutePos.y - absoluteSize.y * pivot.y) / parentAbsoluteSize.y;
break;
}
return(new Vector2(anchorMaxX, anchorMaxY));
}
