GömbiKoordinátaRendszer

static void Main(string[] args)
        {
            int userx=10;
            int usery=0;
            int userz=10;
            Console.WriteLine("alap X: "+userx+" Y: "+usery+" Z: "+userz);
            int userR=10;

            double calcX;
            double calcY;
            double calcZ;

            double Theta; //Théta
            double Fi; //Fi
            Fi = Math.Acos(userz / userR);
            if (userx == 0)
            {
                Theta = Math.Atan(0);
            }
            else
            {
                Theta = Math.Atan(usery / userx);
            }

            calcX = userR * Math.Sin(Fi) * Math.Cos(Theta);
            if (calcX < 0.001)
            {
                calcX = 0;
            }
            calcY = userR * Math.Sin(Fi) * Math.Sin(Theta);
            if (calcY < 0.001)
            {
                calcY = 0;
            }
            calcZ = userR * Math.Cos(Fi);
            if (calcZ < 0.001)
            {
                calcZ = 0;
            }
            Console.WriteLine("kalkulált x: " + calcX + " y: " + calcY + " z: " + calcZ);
            Console.WriteLine("alpha: " + Theta * 180 / Math.PI + " Beta: " + Fi * 180 / Math.PI);
            Console.ReadKey();

        }