PC01 Week 2 Project

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Threading;

namespace snaaaaaaaake
{
    class Program
    {
        static void Main(string[] args)
        {
            int[,] grid = new int[10, 10];
            Random rng = new Random();

            ConsoleColor snakeColour = ConsoleColor.Green;
            ConsoleColor powerUpColour = ConsoleColor.Red;

            int cRow = 4;
            int cCol = 4;
            int dir = 0;
            int size = 1;

            grid[cRow, cCol] = size;
            AddPowerUp(rng, grid);

            int millisecondsPerUpdate = 200;

            while (true)
            {
                Update(rng, grid, ref cRow, ref cCol, ref dir, ref size, ref millisecondsPerUpdate);
                Thread.Sleep(millisecondsPerUpdate);
                RenderGame(grid, snakeColour, powerUpColour, size);

            }

        }

        public static void AddPowerUp(Random rng, int[,] grid)
        {
            int rRow = rng.Next(grid.GetLength(0));
            int rCol = rng.Next(grid.GetLength(1));
            if (grid[rRow, rCol] > 0)
            {
                AddPowerUp(rng, grid);
            }
            else
            {
                grid[rRow, rCol] = -1;
            }
        }

        public static void RenderGame(int[,] grid, ConsoleColor snakeColour, ConsoleColor powerUpColour, int size)
        {
            Console.Clear();
            Console.WriteLine("score: " + size);
            for (int x = 0; x < grid.GetLength(0); x++)
            {
                for (int y = 0; y < grid.GetLength(1); y++)
                {
                    if (grid[x, y] == 0)
                    {
                        Console.ForegroundColor = ConsoleColor.White;
                        Console.Write(" ");
                    }
                    else if (grid[x, y] < 0)
                    {
                        Console.ForegroundColor = powerUpColour;
                        Console.Write("X");
                    }
                    else
                    {
                        Console.ForegroundColor = snakeColour;
                        Console.Write("O");
                    }
                }
                Console.WriteLine();
            }

        }
    }
}