/// <summary>
/// Get scroll.
/// </summary>
/// <param name="type">Type.</param>
/// <param name="position">Position.</param>
/// <param name="value">Scroll value.</param>
protected virtual Vector3 ScrollOnClick(ScrollButtonType type, Vector3 position, float value)
{
switch (type)
{
case ScrollButtonType.Top:
position.y -= value;
break;
case ScrollButtonType.Bottom:
position.y += value;
break;
case ScrollButtonType.Left:
position.x += value;
break;
case ScrollButtonType.Right:
position.x -= value;
break;
default:
throw new NotSupportedException("Unknown ScrollButtonType: " + type);
}
return(position);
}
/// <summary>
/// Scroll on click.
/// </summary>
/// <param name="type">Type.</param>
public void ScrollOnClick(ScrollButtonType type)
{
if (!Interactable)
{
return;
}
AnimationStop();
if ((AnimationStartTime + AnimationLength) < GetTime())
{
return;
}
ScrollRect.StopMovement();
var start = ScrollRect.content.localPosition;
var end = ScrollOnClick(type, start, ScrollRect.scrollSensitivity * ScrollSensitivityRateOnClick);
if (Animate)
{
CurrentCoroutine = AnimationClick(start, end);
StartCoroutine(CurrentCoroutine);
}
else
{
ScrollRect.content.localPosition = end;
ForceUpdateBounds();
}
}
/// <summary>
/// Animation on hold.
/// </summary>
/// <returns>Nothing.</returns>
/// <param name="type">Type.</param>
protected virtual IEnumerator AnimationHold(ScrollButtonType type)
{
do
{
var delta = UnscaledTime ? Time.unscaledDeltaTime : Time.deltaTime;
var step = scrollRect.scrollSensitivity * ScrollSensitivityRateHold * delta;
ScrollRect.content.localPosition = ScrollOnClick(type, ScrollRect.content.localPosition, step);
ForceUpdateBounds();
yield return(null);
}while (gameObject.activeSelf);
}
/// <summary>
/// Scroll on hold.
/// </summary>
/// <param name="type">Type.</param>
public void ScrolOnHold(ScrollButtonType type)
{
if (!Interactable)
{
return;
}
AnimationStop();
AnimationStartTime = GetTime();
StartPosition = ScrollRect.content.localPosition;
ScrollRect.StopMovement();
CurrentCoroutine = AnimationHold(type);
StartCoroutine(CurrentCoroutine);
}