can u explain
package com.codegym.games.snake;
import com.codegym.engine.cell.*;
public class SnakeGame extends Game{
public static final int WIDTH = 15, HEIGHT = 15;
private int turnDelay;
private Snake snake;
@Override
public void onTurn(int o){
snake.move();
drawScene();
}
public void setTurnTimer(){
}
public void initialize()
{
setScreenSize(WIDTH,HEIGHT);
createGame();
}
private void createGame()
{
snake = new Snake(WIDTH/2,HEIGHT/2);
drawScene();
turnDelay = 300;
setTurnTimer(turnDelay);
//Apple apple = new Apple(7,7);
//apple.draw(this);
}
private void drawScene()
{
for(int x=0;x<WIDTH;x++)
{
for(int y=0;y<HEIGHT;y++)
{
setCellColor(x,y,Color.DARKSEAGREEN);
}
}
snake.draw(this);
}
}