Struct b2RevoluteJointDef 

pub struct b2RevoluteJointDef { /* private fields */ }

Revolute joint definition. This requires defining an anchor point where the bodies are joined. The definition uses local anchor points so that the initial configuration can violate the constraint slightly. You also need to specify the initial relative angle for joint limits. This helps when saving and loading a game. The local anchor points are measured from the body’s origin rather than the center of mass because:

1. you might not know where the center of mass will be.
2. if you add/remove shapes from a body and recompute the mass, the joints will be broken.

Implementations

impl b2RevoluteJointDef

pub unsafe fn Initialize( self: Pin<&mut b2RevoluteJointDef>, bodyA: *mut b2Body, bodyB: *mut b2Body, anchor: &b2Vec2, )

Initialize the bodies, anchors, and reference angle using a world anchor point.

pub fn new() -> impl New<Output = Self>

Trait Implementations

impl AsRef<b2JointDef> for b2RevoluteJointDef

fn as_ref(self: &b2RevoluteJointDef) -> &b2JointDef

Converts this type into a shared reference of the (usually inferred) input type.

impl CopyNew for b2RevoluteJointDef

unsafe fn copy_new( other: &b2RevoluteJointDef, this: Pin<&mut MaybeUninit<b2RevoluteJointDef>>, )

Synthesized copy constructor.

impl Drop for b2RevoluteJointDef

fn drop(self: &mut b2RevoluteJointDef)

Synthesized destructor.

fn pin_drop(self: Pin<&mut Self>)

🔬This is a nightly-only experimental API. (pin_ergonomics)

Execute the destructor for this type, but different to Drop::drop, it requires self to be pinned.

impl ExternType for b2RevoluteJointDef

type Id = (b, _2, R, e, v, o, l, u, t, e, J, o, i, n, t, D, e, f)

A type-level representation of the type’s C++ namespace and type name.

type Kind = Opaque

Either cxx::kind::Opaque or cxx::kind::Trivial.

impl MakeCppStorage for b2RevoluteJointDef

unsafe fn allocate_uninitialized_cpp_storage() -> *mut b2RevoluteJointDef

Allocates heap space for this type in C++ and return a pointer to that space, but do not initialize that space (i.e. do not yet call a constructor).

unsafe fn free_uninitialized_cpp_storage(arg0: *mut b2RevoluteJointDef)

Frees a C++ allocation which has not yet had a constructor called.

impl MoveNew for b2RevoluteJointDef

unsafe fn move_new( other: Pin<MoveRef<'_, b2RevoluteJointDef>>, this: Pin<&mut MaybeUninit<b2RevoluteJointDef>>, )

Synthesized move constructor.

impl SharedPtrTarget for b2RevoluteJointDef

impl UniquePtrTarget for b2RevoluteJointDef

impl VectorElement for b2RevoluteJointDef

impl WeakPtrTarget for b2RevoluteJointDef