Class PointToPointConstraint

Connects two bodies at given offset points.

Example

const bodyA = new Body({ mass: 1 })
    const bodyB = new Body({ mass: 1 })
    bodyA.position.set(-1, 0, 0)
    bodyB.position.set(1, 0, 0)
    bodyA.addShape(shapeA)
    bodyB.addShape(shapeB)
    world.addBody(bodyA)
    world.addBody(bodyB)
    const localPivotA = new Vec3(1, 0, 0)
    const localPivotB = new Vec3(-1, 0, 0)
    const constraint = new PointToPointConstraint(bodyA, localPivotA, bodyB, localPivotB)
    world.addConstraint(constraint)

Hierarchy (view full)

Constructors

constructor

Properties

bodyA bodyB collideConnected equationX equationY equationZ equations id pivotA pivotB idCounter

Methods

disable enable update

Constructors

constructor

  • new PointToPointConstraint(bodyA, pivotA, bodyB, pivotB?, maxForce?): PointToPointConstraint

  • Parameters

    • bodyA: Body
    • pivotA: Vec3

      The point relative to the center of mass of bodyA which bodyA is constrained to.

    • bodyB: Body

      Body that will be constrained in a similar way to the same point as bodyA. We will therefore get a link between bodyA and bodyB. If not specified, bodyA will be constrained to a static point.

    • Optional pivotB: Vec3

      The point relative to the center of mass of bodyB which bodyB is constrained to.

    • Optional maxForce: number

      The maximum force that should be applied to constrain the bodies.

    Returns PointToPointConstraint

Properties

bodyA

bodyA: Body

Body A.

bodyB

bodyB: Body

Body B.

collideConnected

collideConnected: boolean

Set to false if you don't want the bodies to collide when they are connected.

equationX

equationX: ContactEquation

equationY

equationY: ContactEquation

equationZ

equationZ: ContactEquation

equations

equations: Equation[]

Equations to be solved in this constraint.

id

id: number

pivotA

pivotA: Vec3

Pivot, defined locally in bodyA.

pivotB

pivotB: Vec3

Pivot, defined locally in bodyB.

Static idCounter

idCounter: number

Methods

disable

  • disable(): void

  • Disables all equations in the constraint.

    Returns void

enable

  • enable(): void

  • Enables all equations in the constraint.

    Returns void

update

  • update(): void

  • Update all the equations with data.

    Returns void

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