protected override void Initialize() { base.Initialize(); // the default viewport adapater is the simplest, it doesn't do any scaling at all // but is used by a Camera2D if no other adapter is specified. // this is often useful if you have a game with a large map and you want the player to see // more of the map on a bigger screen. _defaultViewportAdapter = new DefaultViewportAdapter(GraphicsDevice); // the scaling viewport adapter stretches the output to fit in the viewport, ignoring the aspect ratio // this works well if the aspect ratio doesn't change a lot between devices // or you don't like the black bars of the boxing adapter _scalingViewportAdapter = new ScalingViewportAdapter(GraphicsDevice, 800, 480); // the boxing viewport adapter uses letterboxing or pillarboxing to maintain aspect ratio // it's a little more complicated and needs to listen to the window client size changing event _boxingViewportAdapter = new BoxingViewportAdapter(GraphicsDevice, 800, 480); Window.ClientSizeChanged += (s, e) => _currentViewportAdapter.OnClientSizeChanged(); // typically you'll only ever want to use one viewport adapter for a game, but in this sample we'll be // switching between them. _currentViewportAdapter = _boxingViewportAdapter; }
public void Camera2D_LookAt_Test() { var graphicsDevice = TestHelper.CreateGraphicsDevice(); var viewportAdapter = new DefaultViewportAdapter(graphicsDevice); var camera = new Camera2D(viewportAdapter); camera.LookAt(new Vector2(100, 200)); Assert.AreEqual(new Vector2(-300, -40), camera.Position); }
public void DefaultViewportAdapter_Test() { var graphicsDevice = TestHelper.CreateGraphicsDevice(); var viewportAdapter = new DefaultViewportAdapter(graphicsDevice); graphicsDevice.Viewport = new Viewport(0, 0, 1024, 768); Assert.AreEqual(1024, viewportAdapter.ViewportWidth); Assert.AreEqual(768, viewportAdapter.ViewportHeight); Assert.AreEqual(viewportAdapter.ViewportWidth, viewportAdapter.VirtualWidth); Assert.AreEqual(viewportAdapter.ViewportHeight, viewportAdapter.VirtualHeight); Assert.AreEqual(Matrix.Identity, viewportAdapter.GetScaleMatrix()); }
public void Camera2D_GetBoundingRectangle_Test() { var graphicsDevice = TestHelper.CreateGraphicsDevice(); var viewport = new DefaultViewportAdapter(graphicsDevice); var camera = new Camera2D(viewport); camera.Move(new Vector2(2, 0)); camera.Move(new Vector2(0, 3)); var boundingRectangle = camera.GetBoundingRectangle(); Assert.AreEqual(2, boundingRectangle.Left, 0.01); Assert.AreEqual(3, boundingRectangle.Top, 0.01); Assert.AreEqual(802, boundingRectangle.Right, 0.01); Assert.AreEqual(483, boundingRectangle.Bottom, 0.01); }