public RevoluteJointDef()
{
Type = JointType.Revolute;
LocalAnchorA = new Vec2(0.0f, 0.0f);
LocalAnchorB = new Vec2(0.0f, 0.0f);
ReferenceAngle = 0.0f;
LowerAngle = 0.0f;
UpperAngle = 0.0f;
MaxMotorTorque = 0.0f;
MotorSpeed = 0.0f;
EnableLimit = false;
EnableMotor = false;
}