Class SAPBroadphase

Sweep and prune broadphase along one axis.

Hierarchy

Constructors

constructor

Properties

axisIndex axisList boundingVolumeType result type world? AABB BOUNDING_CIRCLE NAIVE SAP

Methods

aabbQuery boundingVolumeCheck getCollisionPairs setWorld sortList aabbCheck boundingRadiusCheck canCollide

Constructors

constructor

Properties

axisIndex

axisIndex: number = 0

axisList

axisList: Body[] = []

List of bodies currently in the broadphase.

boundingVolumeType

boundingVolumeType: 2 | 1

The bounding volume type to use in the broadphase algorithms. Should be set to Broadphase.AABB or Broadphase.BOUNDING_CIRCLE.

result

result: Body[]

The resulting overlapping pairs. Will be filled with results during .getCollisionPairs().

type

type: 2 | 1

Optional world

world?: World

The world to search for collision pairs in. To change it, use .setWorld()

Static AABB

AABB: 1 = ...

Axis aligned bounding box type.

Static BOUNDING_CIRCLE

BOUNDING_CIRCLE: 2 = ...

Bounding circle type.

Static NAIVE

NAIVE: 1 = ...

Naive Broadphase

Static SAP

SAP: 2 = ...

SAP Broadphase

Methods

aabbQuery

  • Returns all the bodies within an AABB.

    Parameters

    • world: World
    • aabb: AABB
    • result: Body[] = []

      An array to store resulting bodies in.

    Returns Body[]

    Todo

    since the list is sorted, optimization can be done

boundingVolumeCheck

  • Check whether the bounding volumes of two bodies overlap.

    Parameters

    Returns boolean

getCollisionPairs

setWorld

  • Change the world

    Parameters

    Returns void

sortList

  • Returns void

Static aabbCheck

  • Check whether the AABB of two bodies overlap.

    Parameters

    Returns boolean

Static boundingRadiusCheck

  • Check whether the bounding radius of two bodies overlap.

    Parameters

    Returns boolean

Static canCollide

  • Check whether two bodies are allowed to collide at all.

    Parameters

    Returns boolean

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