import java.util.*;
import greenfoot.*;




| A snake in my game that can eat turtles.
|
public class Snake
extends Actor
{     



| Do whatever snakes do.
|
public void act()
    {
        move(5);
        turnAtEdge();
        randomTurn();
        tryToEatTurtle();
    }

    


| Check whether we are at the edge of the world. If we are, turn a bit.
| If not, do nothing.
|
public void turnAtEdge()
    {
        if (isAtEdge()) {
            turn(17);
        }
    }

    


| Randomly decide to turn from the current direction, or not. If we turn
| turn a bit left or right by a random degree.
|
public void randomTurn()
    {
        if (Greenfoot.getRandomNumber(100) > 90) {
            turn(Greenfoot.getRandomNumber(90) - 45);
        }
    }

    


| Try to pinch a turtle. That is: check whether we have stumbled upon a turtle.
| If we have, remove the turtle from the game, and stop the program running.
|
public void tryToEatTurtle()
    {
        if (isTouching(Turtle.class)) {
            removeTouching(Turtle.class);
            Greenfoot.playSound("au.wav");
            Greenfoot.stop();
        }
    }
}