private void ApplyZoom(Vector2 pivot)
{
CheckOrigSize();
Vector2 prevPivot = SelfRectTransform.pivot;
SelfRectTransform.ShiftPivot(pivot);
SelfRectTransform.sizeDelta = origSize + Vector2.one * zoomedAmount;
SelfRectTransform.ShiftPivot(prevPivot);
}
private Vector2 GetTouchAsLocal(int touchIndex)
{
if (canvas == null)
{
canvas = SelfRectTransform.GetComponentInParent <Canvas>();
}
Vector2 touchPos = Input.touches[touchIndex].position;
Vector2 localTouch;
if (canvas.renderMode == RenderMode.ScreenSpaceOverlay)
{
localTouch = touchPos.GetPositionRelativeTo(SelfRectTransform);
}
else
{
RectTransformUtility.ScreenPointToLocalPointInRectangle(SelfRectTransform, touchPos, canvas.worldCamera, out localTouch);
}
return(localTouch);
}
private Vector2 CalculatePivot(Vector2 position)
{
Vector2 localScrollPoint;
#region Calculating local position in rect transform
if (canvas == null)
{
canvas = SelfRectTransform.GetComponentInParent <Canvas>();
}
if (canvas.renderMode == RenderMode.ScreenSpaceOverlay)
{
localScrollPoint = position.GetPositionRelativeTo(SelfRectTransform); //Works for Overlay mode
}
else
{
RectTransformUtility.ScreenPointToLocalPointInRectangle(SelfRectTransform, position, canvas.worldCamera, out localScrollPoint); //Works for Camera mode
}
#endregion
localScrollPoint = localScrollPoint.RemovePivotOffset(SelfRectTransform);
Vector2 pointPivot = new Vector2(localScrollPoint.x / SelfRectTransform.rect.size.x, localScrollPoint.y / SelfRectTransform.rect.size.y);
return(pointPivot);
}
