/// <summary>
/// Removes redundant points. Two points are redundant if they occupy the same hash grid cell.
/// </summary>
/// <param name="points">List of points to prune.</param>
/// <param name="cellSize">Size of cells to determine redundancy.</param>
public static void RemoveRedundantPoints(RawList <Vector3> points, double cellSize)
{
var set = BlockedCellSets.Take();
for (int i = points.Count - 1; i >= 0; --i)
{
var element = points.Elements[i];
var cell = new BlockedCell
{
X = (int)Math.Floor(element.X / cellSize),
Y = (int)Math.Floor(element.Y / cellSize),
Z = (int)Math.Floor(element.Z / cellSize)
};
if (set.Contains(cell))
{
points.FastRemoveAt(i);
}
else
{
set.Add(cell);
//TODO: Consider adding adjacent cells to guarantee that a point on the border between two cells will still detect the presence
//of a point on the opposite side of that border.
}
}
set.Clear();
BlockedCellSets.GiveBack(set);
}
protected override void GiveBackTester(TrianglePairTester tester)
{
testerPool.GiveBack((TriangleConvexPairTester)tester);
}
private void ReturnPair(GeneralConvexPairTester pair)
{
pair.CleanUp();
testerPool.GiveBack(pair);
}
/// <summary>
/// Returns a resource to the pool.
/// </summary>
/// <param name="list">List to return.</param>
public static void GiveBack(RawList <Collidable> list)
{
list.Clear();
SubPoolCollidableList.GiveBack(list);
}
/// <summary>
/// Returns a resource to the pool.
/// </summary>
/// <param name="list">List to return.</param>
public static void GiveBack(RawList <RayCastResult> list)
{
list.Clear();
SubPoolRayCastResultList.GiveBack(list);
}
/// <summary>
/// Returns a resource to the pool.
/// </summary>
/// <param name="list">List to return.</param>
public static void GiveBack(RawList <BroadPhaseEntry> list)
{
list.Clear();
SubPoolBroadPhaseEntryList.GiveBack(list);
}
/// <summary>
/// Returns a resource to the pool.
/// </summary>
/// <param name="triangle">Triangle collidable to return.</param>
public static void GiveBack(TriangleCollidable triangle)
{
triangle.CleanUp();
SubPoolTriangleCollidables.GiveBack(triangle);
}
/// <summary>
/// Returns a resource to the pool.
/// </summary>
/// <param name="connection">Connection to return.</param>
public static void GiveBack(SimulationIslandConnection connection)
{
connection.CleanUp();
SimulationIslandConnections.GiveBack(connection);
}
/// <summary>
/// Returns a resource to the pool.
/// </summary>
/// <param name="list">List to return.</param>
public static void GiveBack(RawList <Entity> list)
{
list.Clear();
SubPoolEntityRawList.GiveBack(list);
}
/// <summary>
/// Returns a resource to the pool.
/// </summary>
/// <param name="list">List to return.</param>
public static void GiveBack(RawList <CompoundChild> list)
{
list.Clear();
SubPoolCompoundChildList.GiveBack(list);
}
private void ReturnPair(GeneralConvexPairTester pair)
{
boxCollidablePool.GiveBack((ReusableBoxCollidable)pair.CollidableB);
pair.CleanUp();
testerPool.GiveBack(pair);
}
/// <summary>
/// Returns a resource to the pool.
/// </summary>
/// <param name="triangleIndices">TriangleIndices list to return.</param>
public static void GiveBack(RawList <TriangleMeshConvexContactManifold.TriangleIndices> triangleIndices)
{
triangleIndices.Clear();
SubPoolTriangleIndicesList.GiveBack(triangleIndices);
}
/// <summary>
/// Returns a resource to the pool.
/// </summary>
/// <param name="triangle">Triangle to return.</param>
public static void GiveBack(TriangleShape triangle)
{
triangle.collisionMargin = 0;
triangle.sidedness = TriangleSidedness.DoubleSided;
SubPoolTriangleShape.GiveBack(triangle);
}
