createBody method

@override int createBody(Shape3D shape, BodySettings3D settings)

Makes a body of shape; 0 when it cannot be made (a shape that is not Shape3D.isValid, a mesh or a height field on a body that is not static, a layer outside 0–15, a full world).

Implementation

@override
int createBody(Shape3D shape, BodySettings3D settings) {
  if (_gone) return 0;
  final pointer = shapes.acquire(shape);
  if (pointer == null) return 0;
  final s = _bodySettings.ref;
  s.position[0] = settings.position.x;
  s.position[1] = settings.position.y;
  s.position[2] = settings.position.z;
  s.rotation[0] = settings.rotation.x;
  s.rotation[1] = settings.rotation.y;
  s.rotation[2] = settings.rotation.z;
  s.rotation[3] = settings.rotation.w;
  s.linearVelocity[0] = settings.linearVelocity.x;
  s.linearVelocity[1] = settings.linearVelocity.y;
  s.linearVelocity[2] = settings.linearVelocity.z;
  s.angularVelocity[0] = settings.angularVelocity.x;
  s.angularVelocity[1] = settings.angularVelocity.y;
  s.angularVelocity[2] = settings.angularVelocity.z;
  s
    ..motionType = settings.type.index
    ..motionQuality = settings.motionQuality.index
    ..layer = settings.layer
    // Translation X, Y and Z only (Jolt's EAllowedDOFs); 0 is all six.
    ..allowedDofs = settings.lockRotation ? 7 : 0
    ..friction = settings.friction
    ..restitution = settings.restitution
    ..linearDamping = settings.linearDamping
    ..angularDamping = settings.angularDamping
    ..gravityFactor = settings.gravityFactor
    ..mass = settings.mass
    ..isSensor = settings.isSensor
    ..allowSleeping = settings.allowSleeping
    ..enhancedInternalEdgeRemoval = false
    ..userData = settings.userData;
  final body = jj_body_create(handle, pointer, _bodySettings);
  if (body == 0) {
    shapes.release(shape);
    return 0;
  }
  _bodyShapes[body] = shape;
  _bodyTypes[body] = settings.type;
  return body;
}