public static void TransitionTo(Panel to,
TransitionToPanel.Direction direction)
{
if (transitioning)
{
return;
}
instance.StartCoroutine(instance.InternalTransitionTo(
Panel.current, to, direction));
}
private IEnumerator InternalTransitionTo(Panel from, Panel to,
TransitionToPanel.Direction direction)
{
transitioning = true;
CanvasGroup fromGroup = from.GetComponent <CanvasGroup>();
RectTransform fromRect = from.GetComponent <RectTransform>();
CanvasGroup toGroup = to.GetComponent <CanvasGroup>();
RectTransform toRect = to.GetComponent <RectTransform>();
const float kLength = 0.2f;
const float kMovement = 100f;
float toRectSource;
if (direction == TransitionToPanel.Direction.Left)
{
toRectSource = -kMovement;
}
else
{
toRectSource = kMovement;
}
float fromRectDestination = -toRectSource;
for (float time = 0f; time < kLength; time += Time.deltaTime)
{
float progress = time / kLength;
fromGroup.alpha = 1f - progress;
fromRect.anchoredPosition = new Vector2(
Damp(0f, fromRectDestination, progress),
0f);
yield return(null);
}
fromGroup.alpha = 0f;
from.gameObject.SetActive(false);
to.gameObject.SetActive(true);
toGroup.alpha = 0f;
for (float time = 0f; time < kLength; time += Time.deltaTime)
{
float progress = time / kLength;
toGroup.alpha = progress;
toRect.anchoredPosition = new Vector2(
Damp(toRectSource, 0f, progress),
0f);
yield return(null);
}
toGroup.alpha = 1f;
toRect.anchoredPosition = Vector2.zero;
transitioning = false;
}