public void AdjustGameScale_DoubleZoomIn_CorrectViewportWorldPosition()
{
const int ScreenSize = 200;
IPixelMapper pixelMapper = new PixelMapper();
pixelMapper.SetViewPortSize(ScreenSize, ScreenSize);
// Set the inital viewport to be at 100,100
pixelMapper.SetViewPort(100, 100);
pixelMapper.LogData(_output);
Assert.Equal(100, -pixelMapper.ViewPortX);
Assert.Equal(100, -pixelMapper.ViewPortY);
pixelMapper.AdjustGameScale(2f);
pixelMapper.LogData(_output);
Assert.Equal(300, -pixelMapper.ViewPortX);
Assert.Equal(300, -pixelMapper.ViewPortY);
pixelMapper.AdjustGameScale(2f);
pixelMapper.LogData(_output);
Assert.Equal(700, -pixelMapper.ViewPortX);
Assert.Equal(700, -pixelMapper.ViewPortY);
}
public void AdjustGameScale_CantZoomToZero()
{
const int ScreenSize = 200;
IPixelMapper pixelMapper = new PixelMapper();
pixelMapper.SetViewPortSize(ScreenSize, ScreenSize);
pixelMapper.AdjustGameScale(0.0f);
pixelMapper.LogData(_output);
Assert.Equal(1.0f, pixelMapper.GameScale);
}
public void AdjustGameScale_SingleZoomOut_CorrectViewportWorldPosition()
{
const int GameSize = 100;
const int ScreenSize = 200;
IPixelMapper pixelMapper = new PixelMapper();
pixelMapper.Initialize(GameSize, GameSize);
pixelMapper.SetViewPortSize(ScreenSize, ScreenSize);
// Set the inital viewport to be at 100,100
pixelMapper.SetViewPort(100, 100);
pixelMapper.LogData(_output);
Assert.Equal(100, -pixelMapper.ViewPortX);
Assert.Equal(100, -pixelMapper.ViewPortY);
pixelMapper.AdjustGameScale(0.5f);
pixelMapper.LogData(_output);
Assert.Equal(0, -pixelMapper.ViewPortX);
Assert.Equal(0, -pixelMapper.ViewPortY);
}