コード例 #1
0
ファイル: Draw.cs プロジェクト: touchcream/RTTP12
        //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);
        }
コード例 #2
0
ファイル: Draw.cs プロジェクト: touchcream/RTTP12
        //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;
        }