///<summary>
/// Cleans up the pair handler.
///</summary>
public override void CleanUp()
{
base.CleanUp();
compoundInfo = null;
//Child type needs to null out other reference.
}
///<summary>
/// Initializes the pair handler.
///</summary>
///<param name="entryA">First entry in the pair.</param>
///<param name="entryB">Second entry in the pair.</param>
public override void Initialize(BroadPhaseEntry entryA, BroadPhaseEntry entryB)
{
compoundInfoB = entryB as CompoundCollidable;
if (compoundInfoB == null)
{
throw new ArgumentException("Inappropriate types used to initialize pair.");
}
base.Initialize(entryA, entryB);
}
///<summary>
/// Constructs a new compound hierarchy.
///</summary>
///<param name="owner">Owner of the hierarchy.</param>
public CompoundHierarchy(CompoundCollidable owner)
{
this.owner = owner;
var children = new CompoundChild[owner.children.Count];
Array.Copy(owner.children.Elements, children, owner.children.Count);
//In order to initialize a good tree, the local space bounding boxes should first be computed.
//Otherwise, the tree would try to create a hierarchy based on a bunch of zeroed out bounding boxes!
for (int i = 0; i < children.Length; i++)
{
children[i].CollisionInformation.worldTransform = owner.Shape.shapes.Elements[i].LocalTransform;
children[i].CollisionInformation.UpdateBoundingBoxInternal(0);
}
tree = new BoundingBoxTree <CompoundChild>(children);
}
///<summary>
/// Initializes the pair handler.
///</summary>
///<param name="entryA">First entry in the pair.</param>
///<param name="entryB">Second entry in the pair.</param>
public override void Initialize(BroadPhaseEntry entryA, BroadPhaseEntry entryB)
{
//Other member of the pair is initialized by the child.
compoundInfo = entryA as CompoundCollidable;
if (compoundInfo == null)
{
compoundInfo = entryB as CompoundCollidable;
if (compoundInfo == null)
{
throw new ArgumentException("Inappropriate types used to initialize pair.");
}
}
base.Initialize(entryA, entryB);
}
///<summary>
/// Cleans up the pair handler.
///</summary>
public override void CleanUp()
{
base.CleanUp();
compoundInfoB = null;
}
