public Vector2 GetCornerPosition(BoxCorner corner)
{
Vector2 pos = Vector2.zero;
switch (corner)
{
case BoxCorner.UpperLeft: pos = bound.center + Vector3.Scale(bound.extents, new Vector3(-1, 1, 0)); break;
case BoxCorner.UpperRight: pos = bound.center + Vector3.Scale(bound.extents, new Vector3(1, 1, 0)); break;
case BoxCorner.LowerLeft: pos = bound.center + Vector3.Scale(bound.extents, new Vector3(-1, -1, 0)); break;
case BoxCorner.LowerRight: pos = bound.center + Vector3.Scale(bound.extents, new Vector3(1, -1, 0)); break;
}
return(pos);
}
private void ShowPoint(BoxCorner corner)
{
Vector3 point = area.GetCornerPosition(corner);
EditorGUI.BeginChangeCheck();
point = Handles.FreeMoveHandle(point, Quaternion.identity, 0.1f, Vector3.one, Handles.DotHandleCap);
if (EditorGUI.EndChangeCheck())
{
area.SetCornerPosition(corner, point);
changing = true;
}
else if (changing)
{
Undo.RecordObject(area, "Change area");
EditorUtility.SetDirty(area);
area.SetCornerPosition(corner, point);
changing = false;
}
}
public void SetCornerPosition(BoxCorner corner, Vector2 newPosition)
{
Vector3 LowerLeft = GetCornerPosition(BoxCorner.UpperLeft);
Vector3 UpperRight = GetCornerPosition(BoxCorner.LowerRight);
Vector3 UnchangedPoint = Vector3.zero;
switch (corner)
{
case BoxCorner.UpperLeft:
UnchangedPoint = GetCornerPosition(BoxCorner.LowerRight);
LowerLeft = new Vector2(newPosition.x, UnchangedPoint.y);
UpperRight = new Vector2(UnchangedPoint.x, newPosition.y);
break;
case BoxCorner.UpperRight:
UnchangedPoint = GetCornerPosition(BoxCorner.LowerLeft);
LowerLeft = UnchangedPoint;
UpperRight = newPosition;
break;
case BoxCorner.LowerLeft:
UnchangedPoint = GetCornerPosition(BoxCorner.UpperRight);
LowerLeft = newPosition;
UpperRight = UnchangedPoint;
break;
case BoxCorner.LowerRight:
UnchangedPoint = GetCornerPosition(BoxCorner.UpperLeft);
LowerLeft = new Vector2(UnchangedPoint.x, newPosition.y);
UpperRight = new Vector2(newPosition.x, UnchangedPoint.y);
break;
}
UpperRight.z = transform.position.z;
LowerLeft.z = transform.position.z;
bound.SetMinMax(UpperRight, LowerLeft);
}
