Method DestroyBody

DynamicsB2World.go:209–276

(b *B2Body)

}

func (world *B2World) DestroyBody(b *B2Body) {
	B2Assert(world.M_bodyCount > 0)
	B2Assert(world.IsLocked() == false)

	if world.IsLocked() {
		return
	}

	// Delete the attached joints.
	je := b.M_jointList
	for je != nil {
		je0 := je
		je = je.Next

		if world.M_destructionListener != nil {
			world.M_destructionListener.SayGoodbyeToJoint(je0.Joint)
		}

		world.DestroyJoint(je0.Joint)

		b.M_jointList = je
	}
	b.M_jointList = nil

	// Delete the attached contacts.
	ce := b.M_contactList
	for ce != nil {
		ce0 := ce
		ce = ce.Next
		world.M_contactManager.Destroy(ce0.Contact)
	}
	b.M_contactList = nil

	// Delete the attached fixtures. This destroys broad-phase proxies.
	f := b.M_fixtureList
	for f != nil {
		f0 := f
		f = f.M_next

		if world.M_destructionListener != nil {
			world.M_destructionListener.SayGoodbyeToFixture(f0)
		}

		f0.DestroyProxies(&world.M_contactManager.M_broadPhase)
		f0.Destroy()

		b.M_fixtureList = f
		b.M_fixtureCount -= 1
	}

	b.M_fixtureList = nil
	b.M_fixtureCount = 0

	// Remove world body list.
	if b.M_prev != nil {
		b.M_prev.M_next = b.M_next
	}