private void SetPivot(AnimationStartPosition pivotPosition)
{
switch (pivotPosition)
{
case (AnimationStartPosition.Bottom):
rectTransform.pivot = new Vector2();
break;
case (AnimationStartPosition.Top):
rectTransform.pivot = new Vector2(0.5f, 1);
break;
case (AnimationStartPosition.Right):
rectTransform.pivot = new Vector2(1, 0.5f);
break;
case (AnimationStartPosition.Left):
rectTransform.pivot = new Vector2(0, 0.5f);
break;
case (AnimationStartPosition.TopRight):
rectTransform.pivot = Vector2.one;
break;
case (AnimationStartPosition.TopLeft):
rectTransform.pivot = new Vector2(0, 1);
break;
case (AnimationStartPosition.BottomRight):
rectTransform.pivot = new Vector2(1, 0);
break;
case (AnimationStartPosition.BottomLeft):
rectTransform.pivot = Vector2.zero;
break;
case (AnimationStartPosition.Center):
rectTransform.pivot = new Vector2(0.5f, 0.5f);
break;
}
}
/// <summary>
/// Used for initializing the position from a certian corner.
/// </summary>
/// <param name="initialPosition">the start position of the transform</param>
/// <param name="rect">the rect transform</param>
/// <param name="animationFromCornerType">BottomRight, TopRight, BottomLeft, TopLeft, Up, Bottom, Left, Or Right</param>
/// <param name="animationFromCornerStartFromType">Screen or Rect</param>
/// <returns></returns>
public static Vector3 GetStartPositionFromCorner
(Vector3 initialPosition, RectTransform rect, AnimationStartPosition animationFromCornerType, AnimationFromCornerStartFromType animationFromCornerStartFromType)
{
float startPositionX = 0;
float startPositionY = 0;
if (animationFromCornerStartFromType == AnimationFromCornerStartFromType.ScreenCorner)
{
switch (animationFromCornerType)
{
case (AnimationStartPosition.BottomRight):
startPositionX = Screen.width + (rect.rect.width / 2);
startPositionY = 0 - (rect.rect.height / 2);
break;
case (AnimationStartPosition.BottomLeft):
startPositionX = 0 - (rect.rect.width / 2);
startPositionY = 0 - (rect.rect.height / 2);
break;
case (AnimationStartPosition.TopRight):
startPositionX = Screen.width + (rect.rect.width / 2);
startPositionY = Screen.height + (rect.rect.height / 2);
break;
case (AnimationStartPosition.TopLeft):
startPositionX = 0 - (rect.rect.width / 2);
startPositionY = Screen.height + (rect.rect.height / 2);
break;
case (AnimationStartPosition.Top):
startPositionX = initialPosition.x;
startPositionY = Screen.height + (rect.rect.height / 2);
break;
case (AnimationStartPosition.Bottom):
startPositionX = initialPosition.x;
startPositionY = 0 - (rect.rect.height / 2);
break;
case (AnimationStartPosition.Left):
startPositionX = 0 - (rect.rect.width / 2);
startPositionY = initialPosition.y;
break;
case (AnimationStartPosition.Right):
startPositionX = Screen.width + (rect.rect.width / 2);
startPositionY = initialPosition.y;
break;
}
}
else if (animationFromCornerStartFromType == AnimationFromCornerStartFromType.ParentRectCorner)
{
switch (animationFromCornerType)
{
case (AnimationStartPosition.Top):
startPositionX = initialPosition.x;
startPositionY = rect.parent.position.y + (rect.parent.GetComponent <RectTransform>().rect.height / 2) + (rect.rect.height / 2);
break;
case (AnimationStartPosition.Bottom):
startPositionX = initialPosition.x;
startPositionY = rect.parent.position.y - (rect.parent.GetComponent <RectTransform>().rect.height / 2) - (rect.rect.height / 2);
break;
case (AnimationStartPosition.Left):
startPositionX = rect.parent.position.x - (rect.parent.GetComponent <RectTransform>().rect.width / 2) - (rect.rect.width / 2);
startPositionY = initialPosition.y;
break;
case (AnimationStartPosition.Right):
startPositionX = rect.parent.position.x + (rect.parent.GetComponent <RectTransform>().rect.width / 2) + (rect.rect.width / 2);
startPositionY = initialPosition.y;
break;
case (AnimationStartPosition.BottomRight):
startPositionX = rect.parent.position.x + (rect.parent.GetComponent <RectTransform>().rect.width / 2) + (rect.rect.width / 2);
startPositionY = rect.parent.position.y - (rect.parent.GetComponent <RectTransform>().rect.height / 2) - (rect.rect.height / 2);
break;
case (AnimationStartPosition.BottomLeft):
startPositionX = rect.parent.position.x - (rect.parent.GetComponent <RectTransform>().rect.width / 2) - (rect.rect.width / 2);
startPositionY = rect.parent.position.y - (rect.parent.GetComponent <RectTransform>().rect.height / 2) - (rect.rect.height / 2);
break;
case (AnimationStartPosition.TopRight):
startPositionX = rect.parent.position.x + (rect.parent.GetComponent <RectTransform>().rect.width / 2) + (rect.rect.width / 2);
startPositionY = rect.parent.position.y + (rect.parent.GetComponent <RectTransform>().rect.height / 2) + (rect.rect.height / 2);
break;
case (AnimationStartPosition.TopLeft):
startPositionX = rect.parent.position.x - (rect.parent.GetComponent <RectTransform>().rect.width / 2) - (rect.rect.width / 2);
startPositionY = rect.parent.position.y + (rect.parent.GetComponent <RectTransform>().rect.height / 2) + (rect.rect.height / 2);
break;
}
}
Vector3 startPos = new Vector3(startPositionX, startPositionY, 0);
return(startPos);
}
