public void Convert_ScreenPointToViewportPoint_ReturnsViewportVector3d(int screenX, int screenY, Vector3d expected)
{
var cameraConverter = new CameraConverter(_screenParameters, _viewportParameters);
var viewportPoint = cameraConverter.ScreenToViewport(screenX, screenY);
Assert.Equal(expected, viewportPoint);
}
/// <summary> Renders the given scene. </summary>
public IDrawing Render(Scene scene)
{
var drawing = new ImageSharpDrawing(_screenParameters.Width, _screenParameters.Height);
var rayTracer = new RayTracer(scene, _renderParameters);
Parallel.For(0, _screenParameters.Height, (y) =>
{
for (var x = 0; x < _screenParameters.Width; ++x)
{
var direction = _viewportParameters.CameraRotation * _cameraConverter.ScreenToViewport(x, y);
var ray = new Ray(_viewportParameters.CameraPosition, direction);
var pixelColor = rayTracer.Trace(ray);
drawing.SetPixel(x, y, pixelColor);
}
});
return(drawing);
}
