/// <summary>
/// CollisionSkin moved
/// </summary>
/// <param name="skin"></param>
public override void CollisionSkinMoved(CollisionSkin skin)
{
GridEntry entry = (GridEntry)skin.ExternalData;
if (entry == null)
{
System.Diagnostics.Debug.WriteLine("Warning skin has grid entry null!");
return;
}
int gridIndex = CalcGridIndexForSkin(skin);
// see if it's moved grid
if (gridIndex == entry.GridIndex)
{
return;
}
GridEntry start;
if (gridIndex >= 0)
{
start = gridEntries[gridIndex];
}
else
{
start = overflowEntries;
}
GridEntry.RemoveGridEntry(entry);
GridEntry.InsertGridEntryAfter(entry, start);
}
/// <summary>
/// Adds a CollisionSkin
/// </summary>
/// <param name="skin"></param>
public override void AddCollisionSkin(CollisionSkin skin)
{
if (skins.Contains(skin))
{
System.Diagnostics.Debug.WriteLine("Warning: tried to add skin to CollisionSkinGrid but it's already registered");
}
else
{
skins.Add(skin);
}
skin.CollisionSystem = this;
if (freeGrids.Count == 0)
{
freeGrids.Push(new GridEntry());
}
// also do the grid stuff - for now put it on the overflow list
GridEntry entry = freeGrids.Pop();
skin.ExternalData = entry;
entry.Skin = skin;
// add entry to the start of the list
GridEntry.InsertGridEntryAfter(entry, overflowEntries);
CollisionSkinMoved(skin);
}