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;
}
public static void SetRect(this RectTransform rectTransform, Rect rect)
{
if (rectTransform is null)
{
throw new NullReferenceException(nameof(rectTransform));
}
if (!rectTransform)
{
throw new MissingReferenceException(nameof(rectTransform));
}
RectTransformUtilities.SetRectWithoutChecks(rectTransform, rect);
}
/// <summary>
/// Determine if the next mouse pos would result in the rect staying within screenbounds
/// </summary>
/// <param name="newMousePos"></param>
/// <param name="fourCornerArray"></param>
/// <returns></returns>
private bool DetermineValidMousepos(Vector2 newMousePos, out Vector2[] fourCornerArray)
{
var diff = lastFrameMousePos - newMousePos;
fourCornerArray = lastFrameRectCorners;
for (int i = 0; i < 4; i++)
{
fourCornerArray[i] = new Vector2(
fourCornerArray[i].x - diff.x,
fourCornerArray[i].y - diff.y);
}
;
return(RectTransformUtilities.CornersAreWithinScreenBounds(fourCornerArray));
}
public void OnBeginDrag(PointerEventData eventData)
{
var mousePos = Input.mousePosition;
var mousePosv2 = new Vector2(
mousePos.x,
mousePos.y);
lastFrameMousePos = mousePosv2;
var center = RectTransformUtilities.GetScreenSpacePos(rectTransform);
lastFrameRectCorners = RectTransformUtilities.GetScreenCoordinatesOfCorners(rectTransform, center);
offset = mousePosv2 - center;
}
public void OnDrag(PointerEventData eventData)
{
var mousePos = Input.mousePosition;
var mousePosv2 = new Vector2(
mousePos.x,
mousePos.y);
Vector2[] fourCornerArray;
if (DetermineValidMousepos(mousePosv2, out fourCornerArray))
{
RectTransformUtilities.SetScreenSpacePos(rectTransform, mousePosv2 - offset);
}
lastFrameMousePos = mousePosv2;
lastFrameRectCorners = fourCornerArray;
}
public override void OnInspectorGUI()
{
base.OnInspectorGUI();
GetData();
//Show if target parent is not null
if (HasParent)
{
ShowAnchorSetter = EditorGUILayout.Foldout(ShowAnchorSetter, ShowAnchorSetter ? "Hide Custom Anchor Setter" : "Show Custom Anchor Setter");
if (ShowAnchorSetter)
{
EditorGUILayout.Vector2Field("Absolute pos", RectTransformUtilities.GetAbsolutePosition(_target));
EditorGUILayout.Vector2Field("Absolute size", RectTransformUtilities.GetAbsoluteSize(_target));
int width = 150;
GUI.backgroundColor = Color.clear;
GUILayoutOption[] options = { GUILayout.MaxWidth(100.0f), GUILayout.MinWidth(10.0f) };
GUILayout.BeginHorizontal(GUILayout.Width(width));
if (GUILayout.Button(buttonsIcons["Pivot_Button_Top_L_unactive"]))
{
SetCutomAnchorsButton_OnClick(CustomAnchorTypes.LeftTopCorner);
}
if (GUILayout.Button(buttonsIcons["Pivot_Button_Top_Center_unactive"]))
{
SetCutomAnchorsButton_OnClick(CustomAnchorTypes.Top);
}
if (GUILayout.Button(buttonsIcons["Pivot_Button_Top_R_unactive"]))
{
SetCutomAnchorsButton_OnClick(CustomAnchorTypes.RightTopCorner);
}
if (GUILayout.Button(buttonsIcons["Pivot_Button_Streach_Top_unactive"]))
{
SetCutomAnchorsButton_OnClick(CustomAnchorTypes.StretchX_Top);
}
GUILayout.EndHorizontal();
GUILayout.BeginHorizontal(GUILayout.Width(width));
if (GUILayout.Button(buttonsIcons["Pivot_Button_R_Center_unactive"]))
{
SetCutomAnchorsButton_OnClick(CustomAnchorTypes.Left);
}
if (GUILayout.Button(buttonsIcons["Pivot_Button_Center_unactive"]))
{
SetCutomAnchorsButton_OnClick(CustomAnchorTypes.Center);
}
if (GUILayout.Button(buttonsIcons["Pivot_Button_L_Center_unactive"]))
{
SetCutomAnchorsButton_OnClick(CustomAnchorTypes.Right);
}
if (GUILayout.Button(buttonsIcons["Pivot_Button_Streach_Center_Horizontal_unactive"]))
{
SetCutomAnchorsButton_OnClick(CustomAnchorTypes.StretchX);
}
GUILayout.EndHorizontal();
GUILayout.BeginHorizontal(GUILayout.Width(width));
if (GUILayout.Button(buttonsIcons["Pivot_Button_Down_L_unactive"]))
{
SetCutomAnchorsButton_OnClick(CustomAnchorTypes.LeftBottomCorner);
}
if (GUILayout.Button(buttonsIcons["Pivot_Button_Down_Center_unactive"]))
{
SetCutomAnchorsButton_OnClick(CustomAnchorTypes.Bottom);
}
if (GUILayout.Button(buttonsIcons["Pivot_Button_Down_R_unactive"]))
{
SetCutomAnchorsButton_OnClick(CustomAnchorTypes.RightBottomCorner);
}
if (GUILayout.Button(buttonsIcons["Pivot_Button_Streach_Down_unactive"]))
{
SetCutomAnchorsButton_OnClick(CustomAnchorTypes.StretchX_Bottom);
}
GUILayout.EndHorizontal();
GUILayout.BeginHorizontal(GUILayout.Width(width));
if (GUILayout.Button(buttonsIcons["Pivot_Button_Streach_L_unactive"]))
{
SetCutomAnchorsButton_OnClick(CustomAnchorTypes.StretchY_Left);
}
if (GUILayout.Button(buttonsIcons["Pivot_Button_Streach_Center_Vertical_unactive"]))
{
SetCutomAnchorsButton_OnClick(CustomAnchorTypes.StretchY);
}
if (GUILayout.Button(buttonsIcons["Pivot_Button_Streach_Center_R_unactive"]))
{
SetCutomAnchorsButton_OnClick(CustomAnchorTypes.StretchY_Right);
}
if (GUILayout.Button(buttonsIcons["Pivot_Button_Streach_Center_unactive"]))
{
SetCutomAnchorsButton_OnClick(CustomAnchorTypes.OnCorners);
}
GUILayout.EndHorizontal();
}
}
else //Show when there is no parent
{
GUILayout.Label("No parent with RectTransform", EditorStyles.centeredGreyMiniLabel);
}
}
