Class b2Shape

constructor

• new b2Shape(): b2Shape

• Creates a new b2Shape.

  Returns b2Shape

Statice_circleShape

Statice_edgeShape

Statice_hitCollide

Statice_missCollide

Statice_polygonShape

Statice_shapeTypeCount

Statice_unknownShape

StaticstartsInsideCollide

ComputeAABB

• ComputeAABB(aabb: b2AABB, xf: b2Transform): void

• Given a transform, compute the associated axis aligned bounding box for this shape.

  Parameters

  • aabb: b2AABB

    Calculated AABB, this argument is out.
  • xf: b2Transform

    Transform to calculate the AABB.

  Returns void

ComputeMass

• ComputeMass(massData: b2MassData, density: number): void

• Compute the mass properties of this shape using its dimensions and density. The inertia tensor is computed about the local origin, not the centroid.

  Parameters

  • massData: b2MassData

    Calculate the mass, this argument is out.
  • density: number

    Density.

  Returns void

ComputeSubmergedArea

• ComputeSubmergedArea(
      normal: b2Vec2,
      offset: number,
      xf: b2Transform,
      c: b2Vec2,
  ): number

• Compute the volume and centroid of this shape intersected with a half plane

  Parameters

  • normal: b2Vec2

    The surface normal.
  • offset: number

    The surface offset along the normal.
  • xf: b2Transform

    The shape transform.
  • c: b2Vec2

    The centroid, this argument is out.

  Returns number

Copy

• Copy(): b2Shape

• Clone the shape.

  Returns b2Shape

GetType

• GetType(): number

• Get the type of this shape. You can use this to down cast to the concrete shape.

  Returns number

RayCast

• RayCast(
      output: b2RayCastOutput,
      input: b2RayCastInput,
      transform: b2Transform,
  ): boolean

• Cast a ray against this shape.

  Parameters

  • output: b2RayCastOutput

    Ray cast results, this argument is out.
  • input: b2RayCastInput

    Ray cast input parameters.
  • transform: b2Transform

    The transform to be applied to the shape.

  Returns boolean

Set

• Set(other: b2Shape): void

• Set the shape values from another shape.

  Parameters

  • other: b2Shape

    The other shape to copy values from.

  Returns void

TestPoint

• TestPoint(xf: b2Transform, p: b2Vec2): boolean

• Test a point for containment in this shape. This only works for convex shapes.

  Parameters

  • xf: b2Transform

    Shape world transform.
  • p: b2Vec2

    Point to test against, in world coordinates.

  Returns boolean

  True if the point is in this shape, otherwise false.

StaticTestOverlap

• TestOverlap(
      shape1: b2Shape,
      transform1: b2Transform,
      shape2: b2Shape,
      transform2: b2Transform,
  ): boolean

• Test if two shapes overlap with the applied transforms.

  Parameters

  • shape1: b2Shape

    shape to test for overlap with shape2.
  • transform1: b2Transform

    shape1 transform to apply.
  • shape2: b2Shape

    shape to test for overlap with shape1.
  • transform2: b2Transform

    shape2 transform to apply.

  Returns boolean

  True if shape1 and shape2 overlap, otherwise false.