public void ReflectionTest()
{
var image = new Image(100, 100);
var scene = new Scene
{
Camera = new Camera(0, 0, 0)
{
Direction = Vector3.UnitZ,
FieldOfView = 90f,
Position = Vector3.Zero
}
};
var reflectiveSphere = new Sphere
{
Center = new Vector3(0, 0, -10),
Radius = 2,
Material = new BrdfMaterial
{
Scene = scene
}
};
var hollowSphere = new SphereHollow
{
Center = Vector3.Zero,
Radius = 20,
Material = new FullBright {
Color = Color.FromArgb(255, 0, 0)
}
};
scene.RenderObjects = new List <IRenderObject>()
{
reflectiveSphere,
hollowSphere
};
scene.Render(image);
foreach (var(x, y, pixel) in image.PixelEnumerator())
{
Assert.Equal(1.0f, pixel.R);
}
}
public void Render(Image image)
{
foreach (var(x, y, _) in image.PixelEnumerator())
{
var primaryRay = Camera.RasterToPrimaryRay(image, x, y);
var closestIntersection = Intersect(primaryRay);
if (closestIntersection != null)
{
var color = closestIntersection.RenderObject.Material.Render(closestIntersection);
image.PixelGrid[y, x] = new Pixel(color);
}
else
{
image.PixelGrid[y, x] = Pixel.Black;
}
}
}