/// <summary> /// ProcessMovement, overide method, determines item movement. /// </summary> public override void ProcessMovement() { if (_itemType == ItemType.Star) { _vectorMovement.Step(); _vectorMovement.SetDirection(GameObjects.Player.X, GameObjects.Player.Y, X, Y); X += _vectorMovement.DeltaX; Y += _vectorMovement.DeltaY; foreach (HitBox hitBox in HitBoxes) { hitBox.X += _vectorMovement.DeltaX; hitBox.Y += _vectorMovement.DeltaY; } } else { _gravMovement.Step(); X += _gravMovement.DeltaX; Y += _gravMovement.DeltaY; foreach (HitBox hitBox in HitBoxes) { hitBox.X += _gravMovement.DeltaX; hitBox.Y += _gravMovement.DeltaY; } } }
/// <summary> /// ProcessMovement Method, steps items through their movement patterns /// </summary> public override void ProcessMovement() { switch (_flag) { case true: _flagMovement.Step(); _flagMovement.SetDirection(GameObjects.Player.Position, this.Position); X += _flagMovement.DeltaX; Y += _flagMovement.DeltaY; foreach (Bounding hitBox in Hitboxes) { hitBox.Offset(_flagMovement.Delta); } break; case false: _movement.Step(); X += _movement.DeltaX; Y += _movement.DeltaY; foreach (Bounding hitBox in Hitboxes) { hitBox.Offset(_movement.Delta); } break; } }
public void TestGravitationalMovement() { //inital delta = 0, acceleration = 1 unit/tick^2, terminal velosity = 10 units/tick Movement testMovement = new GravitationalMovement(0.0, 0.0, 1.0, 0.0, 10.0, 0.0); testMovement.Step(); double x = 0; double y = 0; double[] expectedX = new double[] { 2.0, 5.0, 9.0, 14.0, 20.0, 27.0, 35.0, 44.0, 54.0, 64.0 }; double[] expectedY = new double[] { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 }; for (int i = 0; i < 10; i++) { testMovement.Step(); x += testMovement.DeltaX; y += testMovement.DeltaY; Assert.AreEqual(expectedX[i], x, "failure with x on iteration " + i); Assert.AreEqual(expectedY[i], y, "failure with y on iteration " + i); } }
public void TestGravitationalMovement() { //inital delta = 0, acceleration = 1 unit/tick^2, terminal velosity = 10 units/tick Movement testMovement = new GravitationalMovement(0.0, 0.0, 1.0, 0.0, 10.0, 0.0); testMovement.Step(); double x = 0; double y = 0; double[] expectedX = new double[] { 2.0, 5.0, 9.0, 14.0, 20.0, 27.0, 35.0, 44.0, 54.0, 64.0 }; double[] expectedY = new double[] { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 }; for (int i = 0; i < 10; i++) { testMovement.Step(); x += testMovement.DeltaX; y += testMovement.DeltaY; Assert.AreEqual(expectedX[i], x, "failure with x on iteration " + i); Assert.AreEqual(expectedY[i], y, "failure with y on iteration " + i); } }
public void TestGravitationalMovement() { Acceleration2D testAcceleration = new Acceleration2D(new Vector2D(5.0, 0.0), 200.0); Velocity2D testVelosity = new Velocity2D(5.0, 36.86989764584402); Movement testMovement = new GravitationalMovement(testVelosity, testAcceleration); Point2D testPoint = new Point2D(0.0, 0.0); double[] expectedX = new double[] { 8.0, 20.0, 36.0, 56.0, 80.0, 108.0, 140.0, 176.0, 216.0, 260.0 }; double[] expectedY = new double[] { 6.0, 15.0, 27.0, 42.0, 60.0, 81.0, 105.0, 132.0, 162.0, 195.0 }; for (int i = 0; i < 10; i++) { testMovement.Step(); testPoint.X += testMovement.DeltaX; testPoint.Y += testMovement.DeltaY; Assert.AreEqual(expectedX[i], testPoint.X, "failure with x on iteration " + i); Assert.AreEqual(expectedY[i], testPoint.Y, "failure with y on iteration " + i); } }
public void TestGravitationalMovement() { Acceleration2D testAcceleration = new Acceleration2D(new Vector2D(5.0, 0.0), 200.0); Velocity2D testVelosity = new Velocity2D(5.0, 36.86989764584402); Movement testMovement = new GravitationalMovement(testVelosity, testAcceleration); Point2D testPoint = new Point2D(0.0, 0.0); double[] expectedX = new double[] { 8.0, 20.0, 36.0, 56.0, 80.0, 108.0, 140.0, 176.0, 216.0, 260.0 }; double[] expectedY = new double[] { 6.0, 15.0, 27.0, 42.0, 60.0, 81.0, 105.0, 132.0, 162.0, 195.0 }; for (int i = 0; i < 10; i++) { testMovement.Step(); testPoint.X += testMovement.DeltaX; testPoint.Y += testMovement.DeltaY; Assert.AreEqual(expectedX[i], testPoint.X, "failure with x on iteration " + i); Assert.AreEqual(expectedY[i], testPoint.Y, "failure with y on iteration " + i); } }