public void Select(FooterBarButton target)
{
if (_lastSelectedButton != null)
{
_lastSelectedButton.ShowNormalSprite();
}
_lastSelectedNumber = _buttons.ToList().FindIndex(c => c == target);
_lastSelectedButton = target;
lastSelectedRect = target.ButtonBounds;
// var lastSelectedRect = target.transform as RectTransform;
var rectTransform = transform as RectTransform;
// do move
Vector2 targetPos = lastSelectedRect.position;
targetPos.y = rectTransform.position.y;
// init animation
rectTransform.DOMove(targetPos, _animationLength).SetEase(_animationEase);
// do scale
Vector2 newSizeDelta;
newSizeDelta.x = lastSelectedRect.sizeDelta.x + _constWidthAdd;
newSizeDelta.y = _constHeight;
// init animation
rectTransform.DOSizeDelta(newSizeDelta, _animationLength).SetEase(_animationEase);
}
public void Highlight(FooterBarButton target)
{
currentHighlighted = target;
var currentHighlightedRect = target.ButtonBounds;
var rectTransform = transform as RectTransform;
// var lastSelectedRect = target.transform as RectTransform;
// do move
// mid point between two vectors = (a + b) / 2f
Vector2 midPoint = (currentHighlightedRect.position + lastSelectedRect.position) / 2f;
midPoint.y = rectTransform.position.y;
// init animation
rectTransform.DOMove(midPoint, _animationLength).SetEase(_animationEase);
// do scale
Vector2 newSizeDelta;
bool targetOnRight = currentHighlightedRect.position.x > rectTransform.position.x;
float leftX;
float rightX;
Vector3 localPosSelected = transform.InverseTransformPoint(lastSelectedRect.position);
Vector3 localPosHighlighted = transform.InverseTransformPoint(currentHighlightedRect.position);
if (targetOnRight)
{
leftX = localPosSelected.x + lastSelectedRect.rect.xMin;
rightX = localPosHighlighted.x + currentHighlightedRect.rect.xMax;
}
else
{
leftX = localPosSelected.x + lastSelectedRect.rect.xMax;
rightX = localPosHighlighted.x + currentHighlightedRect.rect.xMin;
}
newSizeDelta.x = Mathf.Abs(leftX) + Mathf.Abs(rightX);
//newSizeDelta.x += _constWidthAdd;
newSizeDelta.y = _constHeight;
// init animation
rectTransform.DOSizeDelta(newSizeDelta, _animationLength).SetEase(_animationEase);
lastSelectedRect = target.ButtonBounds;
}
public void SelectFirst(FooterBarButton target)
{
_lastSelectedButton = target;
lastSelectedRect = target.ButtonBounds;
var rectTransform = transform as RectTransform;
_constWidthAdd = rectTransform.sizeDelta.x - lastSelectedRect.sizeDelta.x;
_constHeight = rectTransform.sizeDelta.y;
_constYpos = rectTransform.position.y;
_constWidthAdd = rectTransform.sizeDelta.x - lastSelectedRect.sizeDelta.x;
// set pos
rectTransform.position
= new Vector3(lastSelectedRect.position.x, // x
_constYpos); // y
// set scale
rectTransform.sizeDelta
= new Vector3(lastSelectedRect.sizeDelta.x + _constWidthAdd, // x
_constHeight); // y
}
