public void Render()
{
var halfWidth = _width / 2;
var halfHeight = _height / 2;
// cast a ray against each pixel on the canvas
for (var y = -halfHeight; y < halfHeight; y++)
{
for (var x = -halfWidth; x < halfWidth; x++)
{
List <Hit> hits = CastRay(x, y);
// Check if we did hit something
if (hits.Count == 0)
{
continue;
}
Color lightColor = CalculateLight(hits[0]);
_canvas.SetPixel(x + _width / 2, y + _height / 2, lightColor);
}
}
// Save the result into a bitmap
PPM.SaveCanvas(_canvas, "RtTest");
}