Returns true iff ab properly intersects cd: they share a point interior to both segments. The properness of the intersection is ensured by using stri

@brief Return the inverse of this quaternion */

@par The closed list is the list of polygons that were fully evaluated during the last navigation graph search. (A* or Dijkstra)

tells if the node is a leaf

@par The path can be invalidated if there are structural changes to the underlying navigation mesh, or the state of a polygon within the path changes

@brief Return the length of the vector */

@brief Return the length of a quaternion */

Create a link to a node given by the name of the node

Merges a Box