@Override
public void interpolate(float f) {
interpolatedPositionA.x = lastPhysicsPosA.x * f;
interpolatedPositionA.x += joint.getAnchorA().x * (1 - f);
interpolatedPositionA.y = lastPhysicsPosA.y * f;
interpolatedPositionA.y += joint.getAnchorA().y * (1 - f);
interpolatedPositionB.x = lastPhysicsPosB.x * f;
interpolatedPositionB.x += joint.getAnchorB().x * (1 - f);
interpolatedPositionB.y = lastPhysicsPosB.y * f;
interpolatedPositionB.y += joint.getAnchorB().y * (1 - f);
}
@Override
public void dispose() {
body.setActive(false);
body.setAwake(false);
Iterator<Joint> joints = world.getJoints();
while (joints.hasNext()) {
Joint joint = joints.next();
if (joint.getBodyA() == body || joint.getBodyB() == body) {
world.destroyJoint(joint);
}
}
world.destroyBody(body);
body = null;
}
/**
* Create a joint to constrain bodies together. No reference to the definition is retained. This
* may cause the connected bodies to cease colliding.
*
* @warning This function is locked during callbacks.
*/
public Joint createJoint(JointDef def) {
long jointAddr = createProperJoint(def);
Joint joint = null;
if (def.type == JointType.DistanceJoint) joint = new DistanceJoint(this, jointAddr);
if (def.type == JointType.FrictionJoint) joint = new FrictionJoint(this, jointAddr);
if (def.type == JointType.GearJoint) joint = new GearJoint(this, jointAddr);
if (def.type == JointType.LineJoint) joint = new LineJoint(this, jointAddr);
if (def.type == JointType.MouseJoint) joint = new MouseJoint(this, jointAddr);
if (def.type == JointType.PrismaticJoint) joint = new PrismaticJoint(this, jointAddr);
if (def.type == JointType.PulleyJoint) joint = new PulleyJoint(this, jointAddr);
if (def.type == JointType.RevoluteJoint) joint = new RevoluteJoint(this, jointAddr);
if (def.type == JointType.WeldJoint) joint = new WeldJoint(this, jointAddr);
if (joint != null) joints.put(joint.addr, joint);
JointEdge jointEdgeA = new JointEdge(def.bodyB, joint);
JointEdge jointEdgeB = new JointEdge(def.bodyA, joint);
joint.jointEdgeA = jointEdgeA;
joint.jointEdgeB = jointEdgeB;
def.bodyA.joints.add(jointEdgeA);
def.bodyB.joints.add(jointEdgeB);
return joint;
}
@Override
public void storeCurrentState() {
lastPhysicsPosA.set(joint.getAnchorA());
lastPhysicsPosB.set(joint.getAnchorB());
}
@Override
public Vector2 getAnchorB() {
return joint.getAnchorB();
}