/// <summary> /// Creates a new motorcycle and a driver into the given Box2D world. /// Creates all the parts of the motorcycle and driver and joints them together. /// </summary> /// <param name="pBikeSpeed">A pointer to the variable that describes the speed of the /// motorcycle</param> /// <param name="pRotationData">RotationData to provide the information of the rotation /// of the device</param> /// <param name="pWorld">The Box2D world where the bike is created into</param> /// <param name="pCamPos">A pointer to the variable that describes the position of the /// camera</param> /// <param name="pContent">The used ContentManager instance</param> /// <param name="pSpriteBatch">The used SpriteBatch instance</param> public Bike(float []pBikeSpeed, RotationData pRotationData, World pWorld, float[] pCamPos, ContentManager pContent) { OffTheBike = false; camPos = pCamPos; world = pWorld; content = pContent; RotationData = pRotationData; bikeSpeed = pBikeSpeed; frontWheel = CreateCirclePart("wheel", frontWheelInitPos, 35.0f, 0, 0.1f, 0.9f, 0.2f); frontFork = CreateBoxPart("susp_lower_long", frontForkInitPos, 20.53f, 21.33f, 0, 0.8f, 1.0f, 0.2f); rearWheel = CreateCirclePart("rearWheel", rearWheelInitPos, 32.0f, 0, 0.4f, 1.0f, 0.2f); rearFork = CreateBoxPart("rearFork", rearForkInitPos, 64.0f, 17.0f, rearForkInitRot, 0.5f, 1.0f, 0.2f); bikeBody = CreateBikeBody(bikeBodyInitPos, bikeBodyInitRot, 0.5f, 1.0f, 0.2f); RevoluteJointDef motorDef = new RevoluteJointDef(); motorDef.Initialize(rearWheel, rearFork, rearWheel.GetWorldCenter()); motorDef.maxMotorTorque = 2.0f; motorDef.enableMotor = true; motor = (RevoluteJoint)world.CreateJoint(motorDef); RevoluteJointDef rearForkBodyDef = new RevoluteJointDef(); Vector2 anchor = rearFork.GetWorldCenter(); anchor.X += (32.0f / Level.FACTOR); anchor.Y += (13.5f / Level.FACTOR); rearForkBodyDef.Initialize(rearFork, bikeBody, anchor); rearForkBodyDef.bodyA = rearFork; rearForkBodyDef.bodyB = bikeBody; rearForkBodyDef.maxMotorTorque = 300.0f; world.CreateJoint(rearForkBodyDef); RevoluteJointDef frontWheelJointDef = new RevoluteJointDef(); frontWheelJointDef.Initialize(frontWheel, frontFork, frontWheel.GetWorldCenter()); frontWheelJointDef.maxMotorTorque = 300.0f; world.CreateJoint(frontWheelJointDef); DistanceJointDef frontSuspToBikeDef = new DistanceJointDef(); frontSuspToBikeDef.Initialize(bikeBody, frontFork, frontFork.GetWorldCenter() + new Vector2(0, 0.4f), frontFork.GetWorldCenter()); frontSuspToBikeDef.frequencyHz = 4.0f; frontSuspToBikeDef.dampingRatio = 0.1f; frontSuspToBikeDef.collideConnected = true; world.CreateJoint(frontSuspToBikeDef); DistanceJointDef rearForkDistanceDef = new DistanceJointDef(); rearForkDistanceDef.Initialize(bikeBody, rearFork, rearFork.GetWorldCenter() + new Vector2(0, 0.4f), rearFork.GetWorldCenter()); rearForkDistanceDef.frequencyHz = 7.0f; rearForkDistanceDef.dampingRatio = 0.1f; rearForkDistanceDef.collideConnected = true; world.CreateJoint(rearForkDistanceDef); PrismaticJointDef fSuspBikePrismaticDef = new PrismaticJointDef(); fSuspBikePrismaticDef.Initialize(bikeBody, frontFork, bikeBody.GetWorldCenter(), new Vector2(0, 1)); fSuspBikePrismaticDef.enableLimit = true; fSuspBikePrismaticDef.lowerTranslation = -0.2f; fSuspBikePrismaticDef.upperTranslation = 0.2f; fSuspBikePrismaticDef.collideConnected = true; world.CreateJoint(fSuspBikePrismaticDef); humanBody = CreateBoxPart("human", humanBodyInitPos, 17.0f, 64.0f, 0, 0.1f, 1.0f, 0.2f); head = CreateBoxPart("head", headInitPos, 38.4f, 29.9f, headInitRot, 0.1f, 1.0f, 0.2f); hand = CreateBoxPart("hand", handInitPos, 34.13f, 8.53f, handInitRot, 0.1f, 1.0f, 0.2f); arm = CreateBoxPart("arm", armInitPos, 42.67f, 8.53f, armInitRot, 0.1f, 1.0f, 0.2f); WeldJointDef headToHumanDef = new WeldJointDef(); headToHumanDef.Initialize(head, humanBody, head.GetWorldCenter()); world.CreateJoint(headToHumanDef); RevoluteJointDef humanToBikeDef = new RevoluteJointDef(); anchor = humanBody.GetWorldCenter(); anchor.Y += (30.0f / Level.FACTOR); humanToBikeDef.Initialize(humanBody, bikeBody, anchor); humanToBikeDef.maxMotorTorque = 300.0f; humanToBike = world.CreateJoint(humanToBikeDef); RevoluteJointDef humanToArmDef = new RevoluteJointDef(); anchor = arm.GetWorldPoint(new Vector2(-21.33f / Level.FACTOR, 4.26f / Level.FACTOR)); humanToArmDef.Initialize(humanBody, arm, anchor); humanToArmDef.maxMotorTorque = 300.0f; world.CreateJoint(humanToArmDef); RevoluteJointDef armToHandDef = new RevoluteJointDef(); anchor = arm.GetWorldPoint(new Vector2(21.33f / Level.FACTOR, 4.26f / Level.FACTOR)); armToHandDef.Initialize(arm, hand, anchor); armToHandDef.maxMotorTorque = 300.0f; world.CreateJoint(armToHandDef); RevoluteJointDef handToBikeDef = new RevoluteJointDef(); anchor = hand.GetWorldPoint(new Vector2(17.06f / Level.FACTOR, 4.26f / Level.FACTOR)); handToBikeDef.Initialize(hand, bikeBody, anchor); handToBikeDef.maxMotorTorque = 300.0f; handToBike = world.CreateJoint(handToBikeDef); DistanceJointDef armToBikeDef = new DistanceJointDef(); armToBikeDef.Initialize(hand, bikeBody, hand.GetWorldPoint(new Vector2(-17.00f / Level.FACTOR, 4.26f / Level.FACTOR)), bikeBody.GetWorldCenter()); armToBikeDef.length = 40.0f / Level.FACTOR; armToBikeDef.frequencyHz = 10.0f; armToBikeDef.dampingRatio = 1.0f; armToBikeDef.collideConnected = true; armToBike = world.CreateJoint(armToBikeDef); }
/// <summary> /// Call this to draw shapes and other debug draw data. /// </summary> public void DrawDebugData() { if (DebugDraw == null) { return; } DebugDrawFlags flags = DebugDraw.Flags; if ((flags & DebugDrawFlags.Shape) == DebugDrawFlags.Shape) { for (Body b = _bodyList; b != null; b = b.GetNext()) { Transform xf; b.GetTransform(out xf); for (Fixture f = b.GetFixtureList(); f != null; f = f.GetNext()) { if (b.IsActive() == false) { DrawShape(f, xf, new Color(0.5f, 0.5f, 0.3f)); } else if (b.GetType() == BodyType.Static) { DrawShape(f, xf, new Color(0.5f, 0.9f, 0.5f)); } else if (b.GetType() == BodyType.Kinematic) { DrawShape(f, xf, new Color(0.5f, 0.5f, 0.9f)); } else if (b.IsAwake() == false) { DrawShape(f, xf, new Color(0.6f, 0.6f, 0.6f)); } else { DrawShape(f, xf, new Color(0.9f, 0.7f, 0.7f)); } } } } if ((flags & DebugDrawFlags.Joint) == DebugDrawFlags.Joint) { for (Joint j = _jointList; j != null; j = j.GetNext()) { DrawJoint(j); } } if ((flags & DebugDrawFlags.Pair) == DebugDrawFlags.Pair) { Color color = new Color(0.3f, 0.9f, 0.9f); for (Contact c = _contactManager._contactList; c != null; c = c.GetNext()) { Fixture fixtureA = c.GetFixtureA(); Fixture fixtureB = c.GetFixtureB(); AABB aabbA; AABB aabbB; fixtureA.GetAABB(out aabbA); fixtureB.GetAABB(out aabbB); Vector2 cA = aabbA.GetCenter(); Vector2 cB = aabbB.GetCenter(); DebugDraw.DrawSegment(cA, cB, color); } } if ((flags & DebugDrawFlags.AABB) == DebugDrawFlags.AABB) { Color color = new Color(0.9f, 0.3f, 0.9f); BroadPhase bp = _contactManager._broadPhase; for (Body b = _bodyList; b != null; b = b.GetNext()) { if (b.IsActive() == false) { continue; } for (Fixture f = b.GetFixtureList(); f != null; f = f.GetNext()) { AABB aabb; bp.GetFatAABB(f._proxyId, out aabb); FixedArray8 <Vector2> vs = new FixedArray8 <Vector2>(); vs[0] = new Vector2(aabb.lowerBound.X, aabb.lowerBound.Y); vs[1] = new Vector2(aabb.upperBound.X, aabb.lowerBound.Y); vs[2] = new Vector2(aabb.upperBound.X, aabb.upperBound.Y); vs[3] = new Vector2(aabb.lowerBound.X, aabb.upperBound.Y); DebugDraw.DrawPolygon(ref vs, 4, color); } } } if ((flags & DebugDrawFlags.CenterOfMass) == DebugDrawFlags.CenterOfMass) { for (Body b = _bodyList; b != null; b = b.GetNext()) { Transform xf; b.GetTransform(out xf); xf.Position = b.GetWorldCenter(); DebugDraw.DrawTransform(ref xf); } } }