/// <summary>
/// Center the panel on the specified target.
/// </summary>
// void CenterOn (Transform target, Vector3 panelCenter)
// {
// if (target != null && mScrollView != null && mScrollView.panel != null)
// {
// Transform panelTrans = mScrollView.panel.cachedTransform;
// mCenteredObject = target.gameObject;
//
// // Figure out the difference between the chosen child and the panel's center in local coordinates
// Vector3 cp = panelTrans.InverseTransformPoint(target.position);
// Vector3 cc = panelTrans.InverseTransformPoint(panelCenter);
// Vector3 localOffset = cp - cc;
//
// // Offset shouldn't occur if blocked
// if (!mScrollView.canMoveHorizontally) localOffset.x = 0f;
// if (!mScrollView.canMoveVertically) localOffset.y = 0f;
// localOffset.z = 0f;
//
// // Spring the panel to this calculated position
// #if UNITY_EDITOR
// if (!Application.isPlaying)
// {
// panelTrans.localPosition = panelTrans.localPosition - localOffset;
//
// Vector4 co = mScrollView.panel.clipOffset;
// co.x += localOffset.x;
// co.y += localOffset.y;
// mScrollView.panel.clipOffset = co;
// }
// else
// #endif
// {
// SpringPanelMoveBy.Begin(mScrollView.panel.cachedGameObject, -localOffset, springStrength).onFinished = onFinished;
// //SpringPanel.Begin(mScrollView.panel.cachedGameObject,panelTrans.localPosition - localOffset, springStrength).onFinished = onFinished;
// }
// }
// else mCenteredObject = null;
//
// // Notify the listener
// if (onCenter != null) onCenter(mCenteredObject);
// }
/// <summary>
/// Center the panel on the specified target.
/// </summary>
// public void CenterOn (Transform target)
// {
// if (mScrollView != null && mScrollView.panel != null)
// {
// Vector3[] corners = mScrollView.panel.worldCorners;
// Vector3 panelCenter = (corners[2] + corners[0]) * 0.5f;
// CenterOn(target, panelCenter);
// }
// }
private void CenterOn()
{
if (mScrollView.movement == UIScrollViewSimple.Movement.Horizontal)
{
var pos = mScrollView.transform.localPosition;
var offset = pos.x;
var grid = mScrollView.thisGrid;
var cellSize = grid.cellWidth;
var relative = new Vector3();
if (offset < 0)
{
if (offset > -cellSize / 2.0f)
{
relative = new Vector3(-offset, 0, 0);
SpringPanelMoveBy.Begin(mScrollView.panel.gameObject, relative, 13f, onFinished).strength = springStrength;
}
else
{
relative = new Vector3(-grid.cellWidth - offset, 0, 0);
SpringPanelMoveBy.Begin(mScrollView.panel.gameObject, relative, 13f, onFinished).strength = springStrength;
}
}
else
{
relative = new Vector3(-offset, 0, 0);
SpringPanelMoveBy.Begin(mScrollView.panel.gameObject, relative, 13f, onFinished).strength = springStrength;
}
}
else
{
}
}
/// <summary>
/// Advance toward the target position.
/// </summary>
protected virtual void AdvanceTowardsPosition()
{
float delta = RealTime.deltaTime;
bool trigger = false;
Vector3 before = mTrans.localPosition;
Vector3 after = NGUIMath.SpringLerp(before, before + target, strength, delta);
Vector3 offset = after - before;
target = target - offset;
//bool isLast = false;
if (target.sqrMagnitude < 0.01f)
{
after = target;
enabled = false;
trigger = true;
//isLast = true;
}
UIScrollViewSimple tempScrollViewSimple = mTrans.GetComponent <UIScrollViewSimple>();
if (tempScrollViewSimple != null)
{
tempScrollViewSimple.MoveRelative(offset, true);
//if (isLast)
//{
// if (tempScrollViewSimple.centerOnChild != null)
// {
// tempScrollViewSimple.centerOnChild.Recenter();
// }
//}
}
else
{
mTrans.localPosition = after;
Vector2 cr = mPanel.clipOffset;
cr.x -= offset.x;
cr.y -= offset.y;
mPanel.clipOffset = cr;
}
if (mDrag != null)
{
mDrag.UpdateScrollbars(false);
}
if (tempScrollViewSimple != null)
{
tempScrollViewSimple.UpdateScrollbars(false);
}
if (trigger && onFinished != null)
{
current = this;
onFinished();
current = null;
}
}
/// <summary>
/// Start the tweening process.
/// </summary>
static public SpringPanelMoveBy Begin(GameObject go, Vector3 pos, float strength, SpringPanel.OnFinished act = null)
{
SpringPanelMoveBy sp = go.GetComponent <SpringPanelMoveBy>();
if (sp == null)
{
sp = go.AddComponent <SpringPanelMoveBy>();
}
sp.target = pos;
sp.strength = strength;
sp.onFinished = act;
sp.enabled = true;
return(sp);
}
