[Test]
public void RenderCubeUsingGameCamera()
{
    var cubeMesh = new BoxMesh(Vector3D.One, Color.DarkGreen);
    new Model(new ModelData(cubeMesh), new Vector3D(0.0f, 0.0f, 0.0f));
    new Line3D(2 * Vector3D.UnitX, -3 * Vector3D.UnitY, Color.Red);
}

[Test]
public void RenderCubeUsingGameCamera()
{
    var cubeMesh = new BoxMesh(Vector3D.One, Color.DarkGreen);
    new Model(new ModelData(cubeMesh), new Vector3D(0.0f, 0.0f, 0.0f));
    new Line3D(2 * Vector3D.UnitX, -3 * Vector3D.UnitY, Color.Red);
}

[Test, CloseAfterFirstFrame]
public void MouseDragWillDragCamera()
{
    if(!IsMockResolver)
        return; //ncrunch: no coverage
    MockMouse mouse = (MockMouse)Resolve<Mouse>();
    var originalPosition = gameCamera.Position;
    bool dragInvoked = false;
    new Command("ViewPanning", () => dragInvoked = true);
    mouse.SetNativePosition(ScreenSpace.Current.Viewport.TopLeft + new Vector2D(0.1f, 0.1f));
    mouse.SetButtonState(MouseButton.Middle, State.Pressing);
    AdvanceTimeAndUpdateEntities();
    mouse.SetNativePosition(ScreenSpace.Current.Viewport.TopRight + new Vector2D(-0.1f, 0.1f));
    mouse.SetButtonState(MouseButton.Middle, State.Pressed);
    AdvanceTimeAndUpdateEntities();
    Assert.IsTrue(dragInvoked);
    Assert.AreNotEqual(originalPosition, gameCamera.Position);
    Assert.AreEqual(135.0f, (gameCamera.Position - originalPosition).Angle(Vector3D.UnitY));
}

[Test, CloseAfterFirstFrame]
public void MouseDragWillDragCamera()
{
    if(!IsMockResolver)
        return; //ncrunch: no coverage
    MockMouse mouse = (MockMouse)Resolve<Mouse>();
    var originalPosition = gameCamera.Position;
    bool dragInvoked = false;
    new Command("ViewPanning", () => dragInvoked = true);
    mouse.SetNativePosition(ScreenSpace.Current.Viewport.TopLeft + new Vector2D(0.1f, 0.1f));
    mouse.SetButtonState(MouseButton.Middle, State.Pressing);
    AdvanceTimeAndUpdateEntities();
    mouse.SetNativePosition(ScreenSpace.Current.Viewport.TopRight + new Vector2D(-0.1f, 0.1f));
    mouse.SetButtonState(MouseButton.Middle, State.Pressed);
    AdvanceTimeAndUpdateEntities();
    Assert.IsTrue(dragInvoked);
    Assert.AreNotEqual(originalPosition, gameCamera.Position);
    Assert.AreEqual(135.0f, (gameCamera.Position - originalPosition).Angle(Vector3D.UnitY));
}

[Test, CloseAfterFirstFrame]
public void MouseZoomWillZoomCamera()
{
    if (!IsMockResolver)
        return; //ncrunch: no coverage
    MockMouse mouse = (MockMouse)Resolve<Mouse>();
    var originalZoom = gameCamera.ZoomLevel;
    mouse.ScrollUp();
    AdvanceTimeAndUpdateEntities();
    Assert.AreNotEqual(originalZoom, gameCamera.ZoomLevel);
}

[Test, CloseAfterFirstFrame]
public void MouseZoomWillZoomCamera()
{
    if (!IsMockResolver)
        return; //ncrunch: no coverage
    MockMouse mouse = (MockMouse)Resolve<Mouse>();
    var originalZoom = gameCamera.ZoomLevel;
    mouse.ScrollUp();
    AdvanceTimeAndUpdateEntities();
    Assert.AreNotEqual(originalZoom, gameCamera.ZoomLevel);
}