public void Draw(Camera2D camera, bool useMapBackgroundColor = false)
{
if(useMapBackgroundColor && BackgroundColor.HasValue)
_graphicsDevice.Clear(BackgroundColor.Value);
foreach (var layer in _layers)
layer.Draw(camera);
}
public void Camera2D_ContainsRectangle_Test()
{
var graphicsDevice = TestHelper.CreateGraphicsDevice();
var camera = new Camera2D(graphicsDevice);
Assert.AreEqual(ContainmentType.Intersects, camera.Contains(new Rectangle(-50, -50, 100, 100)));
Assert.AreEqual(ContainmentType.Contains, camera.Contains(new Rectangle(50, 50, 100, 100)));
Assert.AreEqual(ContainmentType.Disjoint, camera.Contains(new Rectangle(850, 500, 100, 100)));
}
protected override void Initialize()
{
base.Initialize();
_camera = new Camera2D(GraphicsDevice)
{
Zoom = 0.5f,
Position = new Vector2(400, 440)
};
}
public void Camera2D_ContainsPoint_Test()
{
var graphicsDevice = TestHelper.CreateGraphicsDevice();
var camera = new Camera2D(graphicsDevice);
Assert.AreEqual(ContainmentType.Contains, camera.Contains(new Point(1, 1)));
Assert.AreEqual(ContainmentType.Contains, camera.Contains(new Point(800, 480)));
Assert.AreEqual(ContainmentType.Disjoint, camera.Contains(new Point(0, 0)));
Assert.AreEqual(ContainmentType.Disjoint, camera.Contains(new Point(801, 481)));
}
public void Camera2D_ContainsVector2_Test()
{
var graphicsDevice = TestHelper.CreateGraphicsDevice();
var camera = new Camera2D(graphicsDevice);
// the edge cases fall on the half pixel boundary
Assert.AreEqual(ContainmentType.Disjoint, camera.Contains(new Vector2(0.45f, 0.45f)));
Assert.AreEqual(ContainmentType.Contains, camera.Contains(new Vector2(800.45f, 480.45f)));
Assert.AreEqual(ContainmentType.Contains, camera.Contains(new Vector2(0.55f, 0.55f)));
Assert.AreEqual(ContainmentType.Disjoint, camera.Contains(new Vector2(800.55f, 480.55f)));
}
public void Camera2D_LookAt_Test()
{
var viewportAdapter = Substitute.For<ViewportAdapter>();
viewportAdapter.VirtualWidth.Returns(800);
viewportAdapter.VirtualHeight.Returns(480);
var camera = new Camera2D(viewportAdapter);
camera.LookAt(new Vector2(100, 200));
Assert.AreEqual(new Vector2(-300, -40), camera.Position);
}
protected override void Initialize()
{
_viewportAdapter = new BoxingViewportAdapter(GraphicsDevice, 800, 480);
_camera = new Camera2D(_viewportAdapter)
{
Zoom = 0.5f,
Position = new Vector2(408, 270)
};
Window.AllowUserResizing = true;
Window.ClientSizeChanged += (s, e) => _viewportAdapter.OnClientSizeChanged();
base.Initialize();
}
public void Camera2D_GetBoundingFrustum_Test()
{
var graphicsDevice = TestHelper.CreateGraphicsDevice();
var camera = new Camera2D(graphicsDevice);
var boundingFrustum = camera.GetBoundingFrustum();
var corners = boundingFrustum.GetCorners();
const float delta = 0.01f;
TestHelper.AreEqual(new Vector3(0.5f, 0.5f, 1), corners[0], delta);
TestHelper.AreEqual(new Vector3(800.5f, 0.5f, 1), corners[1], delta);
TestHelper.AreEqual(new Vector3(800.5f, 480.5f, 1), corners[2], delta);
TestHelper.AreEqual(new Vector3(0.5f, 480.5f, 1), corners[3], delta);
TestHelper.AreEqual(new Vector3(0.5f, 0.5f, 0), corners[4], delta);
TestHelper.AreEqual(new Vector3(800.5f, 0.5f, 0), corners[5], delta);
TestHelper.AreEqual(new Vector3(800.5f, 480.5f, 0), corners[6], delta);
TestHelper.AreEqual(new Vector3(0.5f, 480.5f, 0), corners[7], delta);
}
public void Draw(Camera2D camera)
{
var renderOrderFunction = GetRenderOrderFunction();
_spriteBatch.Begin(sortMode: SpriteSortMode.Immediate, blendState: BlendState.AlphaBlend,
samplerState: SamplerState.PointClamp, transformMatrix: camera.GetViewMatrix());
foreach (var tile in renderOrderFunction())
{
var region = _tiledMap.GetTileRegion(tile.Id);
if (region != null)
{
// not exactly sure why we need to compensate 1 pixel here. Could be a bug in MonoGame?
var tx = tile.X * (_tiledMap.TileWidth - 1);
var ty = tile.Y * (_tiledMap.TileHeight - 1);
_spriteBatch.Draw(region, new Rectangle(tx, ty, region.Width, region.Height), Color.White);
}
}
_spriteBatch.End();
}