public PrismaticJoint(IWorldPool argWorld, PrismaticJointDef def) : base(argWorld, def) { LocalAnchorA = new Vec2(def.LocalAnchorA); LocalAnchorB = new Vec2(def.LocalAnchorB); LocalXAxisA = new Vec2(def.LocalAxisA); LocalXAxisA.Normalize(); LocalYAxisA = new Vec2(); Vec2.CrossToOutUnsafe(1f, LocalXAxisA, LocalYAxisA); ReferenceAngle = def.ReferenceAngle; Impulse = new Vec3(); MotorMass = 0.0f; MotorImpulse = 0.0f; LowerTranslation = def.LowerTranslation; UpperTranslation = def.UpperTranslation; m_maxMotorForce = def.MaxMotorForce; m_motorSpeed = def.MotorSpeed; m_limitEnabled = def.EnableLimit; m_motorEnabled = def.EnableMotor; LimitState = LimitState.Inactive; K = new Mat33(); Axis = new Vec2(); Perp = new Vec2(); }