//test
public static Bitmap newImage(int width, int height, List <Sphere> l_sphere)
{
Bitmap image = new Bitmap(width, height);
l_sphere.Sort();
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
Ray r = new Ray(new Point(x, y, -2000), new Point(0f, 0f, 1), 1);
Color c = Color.White;
float dis = -r.Position.z;
Sphere currentSphere = r.Intersection(l_sphere, ref dis);
image.SetPixel(x, y, Color.Black);
Point inter = r.Position + dis * r.Direction;
Point normal = inter - new Point(currentSphere.x, currentSphere.y, currentSphere.z);
float temp = normal * normal;
if (temp != 0 && dis != -r.Position.z)
{
temp = 1.0f / (float)Math.Sqrt(temp);
normal = temp * normal;
if (normal.z == -r.Direction.z)
{
Console.WriteLine("normal");
}
image.SetPixel(x, y, Color.FromArgb(((int)(currentSphere.color.R * (currentSphere.z - inter.z)) / currentSphere.rayon), (int)((currentSphere.color.G * (currentSphere.z - inter.z)) / currentSphere.rayon), (int)((currentSphere.color.B * (currentSphere.z - inter.z)) / currentSphere.rayon)));
}
}
}
return(image);
}
//test
public static Bitmap newImage(int width, int height, List<Sphere> l_sphere)
{
Bitmap image = new Bitmap(width, height);
l_sphere.Sort();
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
Ray r = new Ray(new Point(x, y, -2000), new Point(0f, 0f, 1), 1);
Color c = Color.White;
float dis = -r.Position.z;
Sphere currentSphere = r.Intersection(l_sphere, ref dis);
image.SetPixel(x, y, Color.Black);
Point inter = r.Position + dis * r.Direction;
Point normal = inter - new Point(currentSphere.x, currentSphere.y, currentSphere.z);
float temp = normal * normal;
if (temp != 0 && dis != -r.Position.z)
{
temp = 1.0f / (float)Math.Sqrt(temp);
normal = temp * normal;
if(normal.z == -r.Direction.z)
Console.WriteLine("normal");
image.SetPixel(x, y, Color.FromArgb(((int)(currentSphere.color.R * (currentSphere.z - inter.z)) / currentSphere.rayon), (int)((currentSphere.color.G * (currentSphere.z - inter.z)) / currentSphere.rayon), (int)((currentSphere.color.B * (currentSphere.z - inter.z)) / currentSphere.rayon)));
}
}
}
return image;
}