// Cache here per time step to reduce cache misses.
// Vec2 m_localCenterA, m_localCenterB;
// double m_invMassA, m_invIA;
// double m_invMassB, m_invIB;
public Joint(IWorldPool worldPool, JointDef def)
{
pool = worldPool;
m_type = def.type;
m_prev = null;
m_next = null;
m_bodyA = def.bodyA;
m_bodyB = def.bodyB;
m_collideConnected = def.collideConnected;
m_islandFlag = false;
m_userData = def.userData;
m_edgeA = new JointEdge();
m_edgeA.joint = null;
m_edgeA.other = null;
m_edgeA.prev = null;
m_edgeA.next = null;
m_edgeB = new JointEdge();
m_edgeB.joint = null;
m_edgeB.other = null;
m_edgeB.prev = null;
m_edgeB.next = null;
// m_localCenterA = new Vec2();
// m_localCenterB = new Vec2();
}
public static Joint create(World world, JointDef def)
{
// Joint joint = null;
switch (def.type)
{
case JointType.MOUSE:
return(new MouseJoint(world.getPool(), (MouseJointDef)def));
case JointType.DISTANCE:
return(new DistanceJoint(world.getPool(), (DistanceJointDef)def));
case JointType.PRISMATIC:
return(new PrismaticJoint(world.getPool(), (PrismaticJointDef)def));
case JointType.REVOLUTE:
return(new RevoluteJoint(world.getPool(), (RevoluteJointDef)def));
case JointType.WELD:
return(new WeldJoint(world.getPool(), (WeldJointDef)def));
case JointType.FRICTION:
return(new FrictionJoint(world.getPool(), (FrictionJointDef)def));
case JointType.WHEEL:
return(new WheelJoint(world.getPool(), (WheelJointDef)def));
case JointType.GEAR:
return(new GearJoint(world.getPool(), (GearJointDef)def));
case JointType.PULLEY:
return(new PulleyJoint(world.getPool(), (PulleyJointDef)def));
case JointType.CONSTANT_VOLUME:
return(new ConstantVolumeJoint(world, (ConstantVolumeJointDef)def));
case JointType.ROPE:
return(new RopeJoint(world.getPool(), (RopeJointDef)def));
case JointType.UNKNOWN:
default:
return(null);
}
}
