C++ (Cpp) get_node_b Examples

Example #1

File: joints_2d.cpp Project: 03050903/godot

RID DampedSpringJoint2D::_configure_joint(){


	Node *node_a = has_node( get_node_a() ) ? get_node( get_node_a() ) : (Node*)NULL;
	Node *node_b = has_node( get_node_b() ) ? get_node( get_node_b() ) : (Node*)NULL;

	if (!node_a || !node_b)
		return RID();

	PhysicsBody2D *body_a=node_a->cast_to<PhysicsBody2D>();
	PhysicsBody2D *body_b=node_b->cast_to<PhysicsBody2D>();

	if (!body_a || !body_b)
		return RID();

	if (get_exclude_nodes_from_collision())
		Physics2DServer::get_singleton()->body_add_collision_exception(body_a->get_rid(),body_b->get_rid());
	else
		Physics2DServer::get_singleton()->body_remove_collision_exception(body_a->get_rid(),body_b->get_rid());

	Matrix32 gt = get_global_transform();
	Vector2 anchor_A = gt.get_origin();
	Vector2 anchor_B = gt.xform( Vector2(0,length) );

	RID dsj = Physics2DServer::get_singleton()->damped_spring_joint_create(anchor_A,anchor_B,body_a->get_rid(),body_b->get_rid());
	if (rest_length)
		Physics2DServer::get_singleton()->damped_string_joint_set_param(dsj,Physics2DServer::DAMPED_STRING_REST_LENGTH,rest_length);
	Physics2DServer::get_singleton()->damped_string_joint_set_param(dsj,Physics2DServer::DAMPED_STRING_STIFFNESS,stiffness);
	Physics2DServer::get_singleton()->damped_string_joint_set_param(dsj,Physics2DServer::DAMPED_STRING_DAMPING,damping);

	return dsj;
}

Example #2

File: joints_2d.cpp Project: 03050903/godot

RID PinJoint2D::_configure_joint() {

	Node *node_a = has_node( get_node_a() ) ? get_node( get_node_a() ) : (Node*)NULL;
	Node *node_b = has_node( get_node_b() ) ? get_node( get_node_b() ) : (Node*)NULL;

	if (!node_a && !node_b)
		return RID();

	PhysicsBody2D *body_a=node_a ? node_a->cast_to<PhysicsBody2D>() : (PhysicsBody2D*)NULL;
	PhysicsBody2D *body_b=node_b ? node_b->cast_to<PhysicsBody2D>() : (PhysicsBody2D*)NULL;

	if (!body_a && !body_b)
		return RID();

	if (!body_a) {
		SWAP(body_a,body_b);
	} else if (body_b) {
		//add a collision exception between both
		if (get_exclude_nodes_from_collision())
			Physics2DServer::get_singleton()->body_add_collision_exception(body_a->get_rid(),body_b->get_rid());
		else
			Physics2DServer::get_singleton()->body_remove_collision_exception(body_a->get_rid(),body_b->get_rid());
	}
	RID pj = Physics2DServer::get_singleton()->pin_joint_create(get_global_transform().get_origin(),body_a->get_rid(),body_b?body_b->get_rid():RID());
	Physics2DServer::get_singleton()->pin_joint_set_param(pj, Physics2DServer::PIN_JOINT_SOFTNESS, softness);
	return pj;

}

Example #3

File: joints_2d.cpp Project: 03050903/godot

RID GrooveJoint2D::_configure_joint(){


	Node *node_a = has_node( get_node_a() ) ? get_node( get_node_a() ) : (Node*)NULL;
	Node *node_b = has_node( get_node_b() ) ? get_node( get_node_b() ) : (Node*)NULL;

	if (!node_a || !node_b)
		return RID();

	PhysicsBody2D *body_a=node_a->cast_to<PhysicsBody2D>();
	PhysicsBody2D *body_b=node_b->cast_to<PhysicsBody2D>();

	if (!body_a || !body_b)
		return RID();


	if (get_exclude_nodes_from_collision())
		Physics2DServer::get_singleton()->body_add_collision_exception(body_a->get_rid(),body_b->get_rid());
	else
		Physics2DServer::get_singleton()->body_remove_collision_exception(body_a->get_rid(),body_b->get_rid());

	Matrix32 gt = get_global_transform();
	Vector2 groove_A1 = gt.get_origin();
	Vector2 groove_A2 = gt.xform( Vector2(0,length) );
	Vector2 anchor_B = gt.xform( Vector2(0,initial_offset) );


	return Physics2DServer::get_singleton()->groove_joint_create(groove_A1,groove_A2,anchor_B,body_a->get_rid(),body_b->get_rid());
}

Example #4

File: joints_2d.cpp Project: KellyThomas/godot

void Joint2D::_update_joint(bool p_only_free) {

	if (joint.is_valid()) {
		if (ba.is_valid() && bb.is_valid())
			Physics2DServer::get_singleton()->body_remove_collision_exception(ba, bb);

		Physics2DServer::get_singleton()->free(joint);
		joint = RID();
		ba = RID();
		bb = RID();
	}

	if (p_only_free || !is_inside_tree())
		return;

	Node *node_a = has_node(get_node_a()) ? get_node(get_node_a()) : (Node *)NULL;
	Node *node_b = has_node(get_node_b()) ? get_node(get_node_b()) : (Node *)NULL;

	if (!node_a || !node_b)
		return;

	PhysicsBody2D *body_a = Object::cast_to<PhysicsBody2D>(node_a);
	PhysicsBody2D *body_b = Object::cast_to<PhysicsBody2D>(node_b);

	if (!body_a || !body_b)
		return;

	if (!body_a) {
		SWAP(body_a, body_b);
	}

	joint = _configure_joint(body_a, body_b);

	if (!joint.is_valid())
		return;

	Physics2DServer::get_singleton()->get_singleton()->joint_set_param(joint, Physics2DServer::JOINT_PARAM_BIAS, bias);

	ba = body_a->get_rid();
	bb = body_b->get_rid();

	Physics2DServer::get_singleton()->joint_disable_collisions_between_bodies(joint, exclude_from_collision);
}