java课程设计-贪吃蛇代码(6)

Y += Node.H;

break;

}

body.add(0, new Node(X, Y));

// ---------------去掉蛇尾

body.remove(body.size() - 1);

}

}

}

// ---------组成蛇身的单位，食物

class Node {

public static final int W = 20;

public static final int H = 20;

int x;

int y;

public Node(int x, int y) {

this.x = x;

this.y = y;

}

}

// ------画板

class SnakePanel extends JPanel {

Snake snake;

public SnakePanel(Snake snake) {

this.snake = snake;

}

public void paintComponent(Graphics g) {

super.paintComponent(g);

Node node = null;

for (int i = 0; i < snake.body.size(); i++) {// ---黄绿间隔画蛇身 if (i % 2 == 0)

g.setColor(Color.green);

else

g.setColor(Color.yellow);

node = snake.body.get(i);

g.fillRect(node.x, node.y, node.H,

*******************试用*********************

}

node = snake.food; node.W);//