private void rayTrace(ref ImgRender img, ref Camera cam, ref Shape scene)
{
for (int x = 0; x < img.getWidth(); x++)
{
for (int y = 0; y < img.getHeight(); y++)
{
_2DVector screen = new _2DVector((2.0 * x) / img.getWidth() - 1.0, (-2.0 * y) / img.getHeight() + 1.0);
Ray ray = new Ray(cam.ShootRay(ref screen));
Intersection inter = new Intersection(ref ray);
if (scene.intersectionInter(ref inter))
{
img.SetPixel(x, y, inter.c);
}
else
{
img.SetPixel(x, y, new Colors(0, 0, 0, 0));
}
}
}
}
public Ray ShootRay(ref _2DVector point) // fish eye
{
Vector rayShot = new Vector(direction + point.x * reso[1] * right + point.y * reso[0] * up);
return(new Ray(origin, rayShot.normalisedVector()));
}
public double x, y; // u,v
public _2DVector(_2DVector v)
{
this.x = v.x;
this.y = v.y;
}
