Example Code

                case SDLK_a:
                    for (int i=0; i<MAP::wall.size(); i++)
                    {
                          if (cMap.check_collision(cMap.wall.at(i), cDisplay.getPlayer(playerx, playery)))
            {
                           exit(0);
                    }
                }
                    // Player Going Some Direction
                    playerxvel -= speed;
                    // Stop Checking
                    break;