public class GreedSnake implements KeyListener{ JFrame mainFrame; Canvas paintCanvas; JLabel labelScore; SnakeModel snakeModel = null;
public static final int canvasWidth = 200; public static final int canvasHeight = 300;
public static final int nodeWidth = 10; public static final int nodeHeight = 10;
public GreedSnake() { mainFrame = new JFrame("GreedSnake");
Container cp = mainFrame.getContentPane();
labelScore = new JLabel("Score:"); cp.add(labelScore, BorderLayout.NORTH);
paintCanvas = new Canvas(); paintCanvas.setSize(canvasWidth+1,canvasHeight+1); paintCanvas.addKeyListener(this); cp.add(paintCanvas, BorderLayout.CENTER);
JPanel panelButtom = new JPanel(); panelButtom.setLayout(new BorderLayout()); JLabel labelHelp; labelHelp = new JLabel("PageUp, PageDown for speed;", JLabel.CENTER); panelButtom.add(labelHelp, BorderLayout.NORTH); labelHelp = new JLabel("ENTER or R or S for start;", JLabel.CENTER); panelButtom.add(labelHelp, BorderLayout.CENTER); labelHelp = new JLabel("SPACE or P for pause",JLabel.CENTER); panelButtom.add(labelHelp, BorderLayout.SOUTH); cp.add(panelButtom,BorderLayout.SOUTH);
public void keyPressed(KeyEvent e){ int keyCode = e.getKeyCode(); if (snakeModel.running) switch(keyCode){ case KeyEvent.VK_UP: snakeModel.changeDirection(SnakeModel.UP); break; case KeyEvent.VK_DOWN: snakeModel.changeDirection(SnakeModel.DOWN); break; case KeyEvent.VK_LEFT: snakeModel.changeDirection(SnakeModel.LEFT); break; case KeyEvent.VK_RIGHT: snakeModel.changeDirection(SnakeModel.RIGHT); break; case KeyEvent.VK_ADD: case KeyEvent.VK_PAGE_UP: snakeModel.speedUp(); break; case KeyEvent.VK_SUBTRACT: case KeyEvent.VK_PAGE_DOWN: snakeModel.speedDown(); break; case KeyEvent.VK_SPACE: case KeyEvent.VK_P: snakeModel.changePauseState(); break; default: }
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