public Car(Physics ph,CarParams p,Pose pose) { this.p = p; car_angle0 = Helper.GetRelAngle(new Vec2(1, 0), forwardVec); body = ph.CreateBox(new Pose { xc = pose.xc, yc = pose.yc }, new Box2DX.Common.Vec2 { X = p.w, Y = p.h }, new BodyBehaviour { isDynamic = true, k = 0.98f * p.mass }); bodyFW1 = ph.CreateBox(new Pose { xc = pose.xc, yc = pose.yc + p.h_base / 2 }, new Box2DX.Common.Vec2 { X = p.w / 10, Y = p.h / 10 }, new BodyBehaviour { isDynamic = true, k = 0.01f * p.mass }); bodyBW1 = ph.CreateBox(new Pose { xc = pose.xc, yc = pose.yc + -p.h_base / 2 }, new Box2DX.Common.Vec2 { X = p.w / 10, Y = p.h / 10 }, new BodyBehaviour { isDynamic = true, k = 0.01f * p.mass }); var jFW1def = new RevoluteJointDef(); jFW1def.Initialize(body, bodyFW1, bodyFW1.GetWorldCenter()); jFW1def.EnableMotor = true; jFW1def.MaxMotorTorque = 1000; jFW1def.EnableLimit = true; jFW1def.LowerAngle = -p.max_steer_angle * Helper.angle_to_rad; jFW1def.UpperAngle = p.max_steer_angle * Helper.angle_to_rad; jFW1 = (RevoluteJoint)ph.world.CreateJoint(jFW1def); var jBW1def = new PrismaticJointDef(); jBW1def.Initialize(body, bodyBW1, bodyBW1.GetWorldCenter(), new Vec2(1, 0)); jBW1def.EnableLimit = true; jBW1def.UpperTranslation = jBW1def.LowerTranslation = 0; jBW1 = (PrismaticJoint)ph.world.CreateJoint(jBW1def); //LidarParams lp = new LidarParams() { dir_deg = 0, d0 = 2.2f, dist = 20, fov_deg = 60, x0 = 0, y0 = 0, num_rays = 20 }; var p1 = new LidarParams(); p1.InitDefault(); p1.d0 = p.h / 2 + 0.2f; InitLidar(p1); body.SetAngle(pose.angle_rad); //rcs = new RCS(this); }