public void Update(ClientPhysicsQuadTreeNode root, IXNAGame game)
{
if (sleeping && actor.IsSleeping)
{
return;
}
if (sleeping && !actor.IsSleeping)
{
// Make dynamic again!
sleeping = false;
Node.AddDynamicObjectToIntersectingNodes(this);
}
if (actor.IsSleeping && !sleeping)
{
// Disable dynamic, thus make static
if (node != null)
{
node.RemoveDynamicObjectFromIntersectingNodes(this);
}
sleeping = true;
if (node != null && node.PhysicsEnabled == false)
{
DisablePhysics(); // disable movement
}
return;
}
Move(root, actor.GlobalPosition);
}
public void Move(ClientPhysicsQuadTreeNode root, Vector3 newCenter)
{
// NOTE: IMPORTANT: this is actually a partial implementation of the algorithm itself
Vector3 oldCenter = Center;
ClientPhysicsQuadTreeNode oldNode = Node;
// Update location in quadtree
Center = newCenter;
root.OrdenObject(this);
// Update dynamic object count
Node.AddDynamicObjectToIntersectingNodes(this); // Add must come before remove to prevent overhead
if (oldNode != null)
{
Center = oldCenter; // set old state
oldNode.RemoveDynamicObjectFromIntersectingNodes(this);
Center = newCenter; // set new state
}
}
public ContainmentType ContainedInNode(ClientPhysicsQuadTreeNode _node)
{
return(_node.NodeData.BoundingBox.xna().Contains(new BoundingSphere(Center, Radius)));
}