Me下的贪吃蛇小游戏(3)

 //headSanke.setPoint_x(headSanke.getPoint_x()+Snake_Direction.SNAKE_SIZE); 按键游戏

// System.out.println("x: "+headSanke.getPoint_x()+" / y:"+headSanke.getPoint_Y());

// System.out.println("width: "+Canvas_Width);

 if(headSanke.getDirection()==Snake_Direction.RIGHT||headSanke.getDirection()==Snake_Direction.RIGHT_x){

 if(headSanke.getPoint_x()+Snake_Direction.SNAKE_SIZE>Canvas_Width-30)

 {

  if(headSanke.getPoint_Y()+Snake_Direction.SNAKE_SIZE<Canvas_Height-20)

  {

 headSanke.setPoint_Y(headSanke.getPoint_Y()+Snake_Direction.SNAKE_SIZE);

 headSanke.setDirection(Snake_Direction.DOWN);

  }

  else {

  headSanke.setPoint_Y(headSanke.getPoint_Y()-Snake_Direction.SNAKE_SIZE);

 headSanke.setDirection(Snake_Direction.UP);

  }  

 }

 else  

 headSanke.setPoint_x(headSanke.getPoint_x()+Snake_Direction.SNAKE_SIZE); 

 }

 else if(headSanke.getDirection()==Snake_Direction.UP||headSanke.getDirection()==Snake_Direction.UP_y)