AABB
AlignmentBehavior
ArriveBehavior
AStar
BFS
BoundingSphere
BVH
BVHNode
Cell
CellSpacePartitioning
CohesionBehavior
CompositeGoal
ConvexHull
Corridor
CostTable
DFS
Dijkstra
Edge
EntityManager
EvadeBehavior
EventDispatcher
Behavior
FollowPathBehavior
FuzzyAND
FuzzyCompositeTerm
FuzzyFAIRLY
FuzzyModule
FuzzyOR
FuzzyRule
FuzzySet
FuzzyTerm
FuzzyVariable
FuzzyVERY
GameEntity
Goal
GoalEvaluator
Graph
GraphUtils
HalfEdge
HeuristicPolicyDijkstra
HeuristicPolicyEuclid
HeuristicPolicyEuclidSquared
HeuristicPolicyManhattan
InterposeBehavior
LeftSCurveFuzzySet
LeftShoulderFuzzySet
LineSegment
Logger
MathUtils
Matrix3
Matrix4
MemoryRecord
MemorySystem
MeshGeometry
MessageDispatcher
MovingEntity
NavEdge
NavMesh
NavMeshLoader
NavNode
Node
NormalDistFuzzySet
OBB
ObstacleAvoidanceBehavior
OffsetPursuitBehavior
OnPathBehavior
Path
Plane
Polygon
Polyhedron
PriorityQueue
PursuitBehavior
Quaternion
Ray
RectangleTriggerRegion
Regular
RightSCurveFuzzySet
RightShoulderFuzzySet
SAT
SeekBehavior
SeparationBehavior
SingletonFuzzySet
Smoother
SphericalTriggerRegion
State
StateMachine
SteeringBehavior
SteeringManager
Task
TaskQueue
Telegram
Think
Time
TriangularFuzzySet
Trigger
TriggerRegion
Vector3
Vehicle
Version
WanderBehavior

root

BVH中的root节点是整个层次结构的起点,它代表了整个模型的最外层边界信息。在Yuka js库中,root节点是BVH类的一个属性,由BVH类的构造函数创建。

属性

root节点有以下属性:

  • left:BVH树的左子树节点。
  • right:BVH树的右子树节点。
  • aabb:该BVH节点所包含的AABB(轴对齐包围盒)。

方法

root节点有以下方法:

intersect( ray )

该方法用于测试BVH树与光线的交点。参数ray代表射线,返回值为与射线最近的相交处。若没有相交则返回null

traverse( callback )

该方法可用于遍历BVH中的每一个节点,callback参数为回调函数,每遍历一个节点就会调用一次回调函数,并将该节点作为参数传递给回调函数。