public void CameraHasScreenWidthAndHeight()
{
Camera camera = new Camera(null, new Vector2(100, 200));
Assert.AreEqual(100, camera.ScreenWidth);
Assert.AreEqual(200, camera.ScreenHeight);
}
public void TranslationMatrixTakesScreenSizeIntoAccount()
{
var player = MockRepository.GenerateStub<IPlayer>();
player.Position = new Vector2(100, 200);
var camera = new Camera(player, new Vector2(400, 500));
Matrix translationMatrix = Matrix.CreateTranslation(-100 + 200, -200 + 250, 0.0f);
Assert.AreEqual(translationMatrix, camera.TranslationMatrix);
}
public void ReturnsCorrectTranslationMatrix()
{
var player = MockRepository.GenerateStub<IPlayer>();
player.Position = new Vector2(100, 200);
var camera = new Camera(player, new Vector2(0, 0));
Matrix translationMatrix = Matrix.CreateTranslation(-100, -200, 0.0f);
Assert.AreEqual(translationMatrix, camera.TranslationMatrix);
}
public void CameraPositionBasedOnPlayerPosition()
{
var player = MockRepository.GenerateStub<IPlayer>();
player.Position = new Vector2(100, 200);
var camera = new Camera(player, new Vector2(0, 0));
Assert.AreEqual(new Vector2(100, 200), camera.Position);
player.Position = new Vector2(1, 2);
Assert.AreEqual(new Vector2(1, 2), camera.Position);
}
public void UsesCameraCorrectly()
{
Level level = new Level(null);
level.Pieces.Add(LevelPieceHelper.MakeLevelPiece(new Vector2(1, 1), new Vector2(100, 100)));
var stubSpriteBatch = MockRepository.GenerateStub<ISpriteBatch>();
var stubTexture = MockRepository.GenerateStub<ITexture>();
Camera camera = new Camera(MockRepository.GenerateStub<IPlayer>(), new Vector2(100, 200));
LevelView levelView = new LevelView(level, stubSpriteBatch, stubTexture, camera);
levelView.Generate(1f);
stubSpriteBatch.AssertWasCalled(x => x.Begin(camera.TranslationMatrix));
}
public void CanConvertCameraPointToWorldCoordinates()
{
var player = MockRepository.GenerateStub<IPlayer>();
player.Position = new Vector2(100, 200);
var camera = new Camera(player, new Vector2(400, 500));
Matrix translationMatrix = Matrix.CreateTranslation(-100 + 200, -200 + 250, 0.0f);
Assert.AreEqual(new Vector2(-50, 50), camera.ConvertToWorldCoordinates(new Vector2(50, 100)));
}
public void UsesCameraCorrectly()
{
ICamera camera = new Camera(player, new Vector2(100, 100));
playerView = new PlayerView(playerList, _stubTextureBank, stubSpriteBatch, camera, stubWeaponDrawer, stubBubbleText);
playerView.Generate(1f);
stubSpriteBatch.AssertWasCalled(x => x.Begin(Arg<Matrix>.Is.Equal(camera.TranslationMatrix)));
}