/// <summary>
/// 用户拖动组件
/// </summary>
/// <param name="sender">事件发送者</param>
/// <param name="e">事件</param>
private void listView2_ItemDrag(object sender, ItemDragEventArgs e)
{
dragItem = e.Item;
view = DragView.view2;
string strItem = e.Item.ToString();
//开始进行"Drag"操作
DoDragDrop(strItem, DragDropEffects.Move);
}
void Start()
{
canChangeItem = true;
int count = listEnhanceItems.Count;
dFactor = (Mathf.RoundToInt((1f / count) * 10000f)) * 0.0001f;
mCenterIndex = count / 2;
if (count % 2 == 0)
{
mCenterIndex = count / 2 - 1;
}
int index = 0;
for (int i = count - 1; i >= 0; i--)
{
listEnhanceItems[i].CurveOffSetIndex = i;
listEnhanceItems[i].CenterOffSet = dFactor * (mCenterIndex - index);
listEnhanceItems[i].SetSelectState(false);
GameObject obj = listEnhanceItems[i].gameObject;
DragView script = obj.GetComponent <DragView>();
if (script != null)
{
script.SetScrollView(this);
}
index++;
}
// set the center item with startCenterIndex
if (startCenterIndex < 0 || startCenterIndex >= count)
{
Debug.LogError("## startCenterIndex < 0 || startCenterIndex >= listEnhanceItems.Count out of index ##");
startCenterIndex = mCenterIndex;
}
// sorted items
listSortedItems = new List <ScrollViewItem>(listEnhanceItems.ToArray());
totalHorizontalWidth = cellWidth * count;
curCenterItem = listEnhanceItems[startCenterIndex];
curHorizontalValue = 0.5f - curCenterItem.CenterOffSet;
LerpTweenToTarget(0f, curHorizontalValue, false);
//
// enable the drag actions
//
EnableDrag(true);
}
public GameObject RayCast(Camera cam, Vector3 inPos)
{
Vector3 pos = cam.ScreenToViewportPoint(inPos);
if (float.IsNaN(pos.x) || float.IsNaN(pos.y))
{
return(null);
}
if (pos.x < 0f || pos.x > 1f || pos.y < 0f || pos.y > 1f)
{
return(null);
}
Ray ray = cam.ScreenPointToRay(inPos);
float dis = 100f;
RaycastHit[] hits = Physics.RaycastAll(ray, dis, rayCastMask);
if (hits.Length > 0)
{
for (int i = 0; i < hits.Length; i++)
{
GameObject go = hits[i].collider.gameObject;
DragView dragView = go.GetComponent <DragView>();
if (dragView == null)
{
continue;
}
else
{
// 只需返回当前悬停对象
return(go);
}
}
}
return(null);
}
/// <summary>
/// 用户拖动组件
/// </summary>
/// <param name="sender">事件发送者</param>
/// <param name="e">事件</param>
private void listView2_ItemDrag(object sender, ItemDragEventArgs e)
{
dragItem = e.Item;
view = DragView.view2;
string strItem = e.Item.ToString();
//开始进行"Drag"操作
DoDragDrop(strItem, DragDropEffects.Move);
}
private void Awake()
{
DragInstance = this;
canvasParent = GameObject.FindGameObjectWithTag("Canvas");
}