Example #1
0
        public void WheelBase()
        {
            var transformer = new Program.CoordinatesTransformer(this.controller);
            MockMotorSuspension frontLeftWheel = GetSuspension(new Vector3D(-1, 0, -4), true);
            var frontLeft = new Program.PowerWheel(frontLeftWheel, this.wheelBase, transformer);
            MockMotorSuspension frontRightWheel = GetSuspension(new Vector3D(1, 0, -4), false);
            var frontRight = new Program.PowerWheel(frontRightWheel, this.wheelBase, transformer);

            MockMotorSuspension middleLeftWheel = GetSuspension(new Vector3D(-1, 0, -1), true);
            var middleLeft = new Program.PowerWheel(middleLeftWheel, this.wheelBase, transformer);
            MockMotorSuspension middleRightWheel = GetSuspension(new Vector3D(1, 0, -1), false);
            var middleRight = new Program.PowerWheel(middleRightWheel, this.wheelBase, transformer);

            MockMotorSuspension rearLeftWheel = GetSuspension(new Vector3D(-1, 0, 0), true);
            var rearLeft = new Program.PowerWheel(rearLeftWheel, this.wheelBase, transformer);
            MockMotorSuspension rearRightWheel = GetSuspension(new Vector3D(1, 0, 0), false);
            var rearRight = new Program.PowerWheel(rearRightWheel, this.wheelBase, transformer);

            var powerWheels = new List <Tuple <Program.PowerWheel, MockMotorSuspension> > {
                Tuple.Create(frontLeft, frontLeftWheel),
                Tuple.Create(frontRight, frontRightWheel),
                Tuple.Create(middleLeft, middleLeftWheel),
                Tuple.Create(middleRight, middleRightWheel),
                Tuple.Create(rearLeft, rearLeftWheel),
                Tuple.Create(rearRight, rearRightWheel)
            };

            Assert.AreEqual(-4, this.wheelBase.MinZ);
            Assert.AreEqual(0, this.wheelBase.MaxZ);

            Assert.AreEqual(-2, this.wheelBase.CenterOfTurnZ);

            Assert.AreEqual(5.5, this.wheelBase.TurnRadius);

            Assert.AreEqual(new Vector3D(-5.5, 0, -2), this.wheelBase.LeftCenterOfTurn);
            Assert.AreEqual(new Vector3D(5.5, 0, -2), this.wheelBase.RightCenterOfTurn);

            int nInverted = 0;

            foreach (Tuple <Program.PowerWheel, MockMotorSuspension> p in powerWheels)
            {
                Program.PowerWheel  powerWheel = p.Item1;
                MockMotorSuspension wheel      = p.Item2;
                powerWheel.Turn(-2);
                Assert.IsFalse(wheel.InvertSteer, $"Wheel {powerWheel.Position}");
                powerWheel.Turn(-0.5);
                if (powerWheel.Position.Z == -1)
                {
                    ++nInverted;
                    Assert.IsTrue(wheel.InvertSteer, $"Wheel {powerWheel.Position}");
                }
                else
                {
                    Assert.IsFalse(wheel.InvertSteer, $"Wheel {powerWheel.Position}");
                }
            }
            Assert.AreEqual(2, nInverted);
        }
Example #2
0
        public void Create()
        {
            var transformer = new Program.CoordinatesTransformer(this.controller);
            MockMotorSuspension leftWheel  = GetSuspension(new Vector3D(-1, 0, 1), true);
            MockMotorSuspension rightWheel = GetSuspension(new Vector3D(1, 0, 1), false);

            (rightWheel.Top as MockAttachableTopBlock).WorldPosition = new Vector3D(1, 1, 1);
            var leftPowerWheel  = new Program.PowerWheel(leftWheel, this.wheelBase, transformer);
            var rightPowerWheel = new Program.PowerWheel(rightWheel, this.wheelBase, transformer);

            Assert.AreEqual(3, leftPowerWheel.WheelSize);
            // We are in the wheel's referential, so it should be -1, 0, 1 but it is offset to take into account the point around which the wheel actually rotates
            Assert.AreEqual(new Vector3D(-1.5, 0, 1), leftPowerWheel.Position);
            Assert.AreEqual(205, leftPowerWheel.Mass);
            Assert.AreEqual(0.25, leftPowerWheel.GetCompressionRatio());

            Assert.AreEqual(new Vector3D(1.5, 0, 1), rightPowerWheel.Position);
            Assert.AreEqual(0.75, rightPowerWheel.GetCompressionRatio());

            // to go forward, we need to invert the power on the right wheels
            leftPowerWheel.Power  = 1;
            rightPowerWheel.Power = 1;
            Assert.AreEqual(1, leftWheel.PropulsionOverride);
            Assert.AreEqual(-1, rightWheel.PropulsionOverride);

            // center of mass is forward of the wheels
            leftPowerWheel.Strafe(-1);
            rightPowerWheel.Strafe(-1);
            Assert.IsTrue(leftWheel.InvertSteer);
            Assert.IsTrue(rightWheel.InvertSteer);
            leftPowerWheel.Strafe(1);
            rightPowerWheel.Strafe(1);
            Assert.IsFalse(leftWheel.InvertSteer);
            Assert.IsFalse(rightWheel.InvertSteer);

            // Test GetPointOfContactW
            Assert.AreEqual(new Vector3D(-1, -1.75, 1), leftPowerWheel.GetPointOfContactW());
            Assert.AreEqual(new Vector3D(1, 0.25, 1), rightPowerWheel.GetPointOfContactW());

            // Test roll
            leftPowerWheel.Roll(0.25f);
            rightPowerWheel.Roll(0.25f);
            Assert.AreEqual(-2, leftWheel.Height);
            Assert.AreEqual(-1.75f, rightWheel.Height);
            leftPowerWheel.Roll(0);
            rightPowerWheel.Roll(0);
            Assert.AreEqual(-2, leftWheel.Height);
            Assert.AreEqual(-2, rightWheel.Height);
        }
Example #3
0
        public void WheelBaseTurn()
        {
            var transformer = new Program.CoordinatesTransformer(this.controller);
            MockMotorSuspension frontLeftWheel = GetSuspension(new Vector3D(-1.5, 0, -2), true);
            var frontLeft = new Program.PowerWheel(frontLeftWheel, this.wheelBase, transformer);
            MockMotorSuspension frontRightWheel = GetSuspension(new Vector3D(1.5, 0, -2), false);
            var frontRight = new Program.PowerWheel(frontRightWheel, this.wheelBase, transformer);

            MockMotorSuspension middleLeftWheel = GetSuspension(new Vector3D(-1.5, 0, 0), true);
            var middleLeft = new Program.PowerWheel(middleLeftWheel, this.wheelBase, transformer);
            MockMotorSuspension middleRightWheel = GetSuspension(new Vector3D(1.5, 0, 0), false);
            var middleRight = new Program.PowerWheel(middleRightWheel, this.wheelBase, transformer);

            MockMotorSuspension rearLeftWheel = GetSuspension(new Vector3D(-1.5, 0, 2), true);
            var rearLeft = new Program.PowerWheel(rearLeftWheel, this.wheelBase, transformer);
            MockMotorSuspension rearRightWheel = GetSuspension(new Vector3D(1.5, 0, 2), false);
            var rearRight = new Program.PowerWheel(rearRightWheel, this.wheelBase, transformer);

            Assert.AreEqual(6, this.wheelBase.TurnRadius);

            Assert.AreEqual(new Vector3D(-6, 0, 0), this.wheelBase.LeftCenterOfTurn);
            Assert.AreEqual(new Vector3D(6, 0, 0), this.wheelBase.RightCenterOfTurn);

            this.wheelBase.TurnRadiusOverride = 4;

            Assert.AreEqual(4, this.wheelBase.TurnRadius);

            Assert.AreEqual(new Vector3D(-4, 0, 0), this.wheelBase.LeftCenterOfTurn);
            Assert.AreEqual(new Vector3D(4, 0, 0), this.wheelBase.RightCenterOfTurn);

            Asserts.AreClose(18.43f, 0.01f, this.wheelBase.GetAngle(frontLeft, false));
            Assert.AreEqual(0, this.wheelBase.GetAngle(middleLeft, false));
            Asserts.AreClose(18.43f, 0.01f, this.wheelBase.GetAngle(rearLeft, false));
            Assert.AreEqual(45, this.wheelBase.GetAngle(frontRight, false));
            Assert.AreEqual(0, this.wheelBase.GetAngle(middleRight, false));
            Assert.AreEqual(45, this.wheelBase.GetAngle(rearRight, false));

            Assert.AreEqual(45, this.wheelBase.GetAngle(frontLeft, true));
            Assert.AreEqual(0, this.wheelBase.GetAngle(middleLeft, true));
            Assert.AreEqual(45, this.wheelBase.GetAngle(rearLeft, true));
            Asserts.AreClose(18.43f, 0.01f, this.wheelBase.GetAngle(frontRight, true));
            Assert.AreEqual(0, this.wheelBase.GetAngle(middleRight, true));
            Asserts.AreClose(18.43f, 0.01f, this.wheelBase.GetAngle(rearRight, true));
        }