DOJA开发贪吃蛇的代码 - 编程入门网
作者 佚名技术
来源 NET编程
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发布时间 2012-06-21
| private int height; private GreedSnake listener; private Snake snake; private Food food; private String pad = "0000"; private Font score_font; private Font game_over_font; private boolean blDisplay; private boolean game_over; static final int SOFT_LEFT = Frame.SOFT_KEY_1; static final int SOFT_RIGHT = Frame.SOFT_KEY_2; /** * Create a new instance of this class. * @param witdth the width (in tiles) of this grid * @param height the height (in tiles) of this grid * @param score the score object to keep track of the score * @param listener a reference to the owning tetris object */ public Grid(int width, int height, GreedSnake listener) { this.width = width; this.height = height; this.listener = listener; reset(); setSoftLabel(SOFT_LEFT, "New"); setSoftLabel(SOFT_RIGHT, "Quit"); score_font = Font.getFont(Font.FACE_MONOSPACE | Font.SIZE_SMALL); game_over_font = Font.getFont(Font.FACE_PROPORTIONAL | Font.SIZE_LARGE | Font.STYLE_BOLD); } /** Remove all pieces from this instance */ private void reset() { synchronized (this) { food = null; snake= null; } game_over = false; blDisplay = false; } public void setGameOver() { snake = null; food = null; game_over = true; } /** Get the width (in tiles) of this instance. */ public int getGridWidth() { return width; } /** Get the height (in tiles) of this instance. */ public int getGridHeight() { return height; } /** Add the specified piece to this instance. */ public Food addFood() { blDisplay= false; int gs = GreedSnake.GRID_WIDTH; if(snake == null){ this.food =Food.createRandomFood(gs,gs); }else{ for(;;){ this.food =Food.createRandomFood(gs,gs); Node newNode = new Node(food.getX(),food.getY()); if(snake.ptInSnake(newNode)){ this.food = null; continue; }else{ break; } } } return this.food; } public void addSnake(Snake snake) { this.snake=snake; Node head=(Node)snake.getHead(); } /** * Returns <code>true</code> if the specified * piece overlaps with any tile in this instance, * <code>false</code> otherwise. */ public boolean overlapsWith(Node node) { if ((node.x<0) || (node.x>getGridWidth()-1) || (node.y<0) || (node.y>getGridHeight()-1)) { return true; } return false; } public void reduceFood(Food food) { blDisplay = true; } private String format(int n) { String raw = "" + n; return pad.substring(0, 4 - raw.length()) + raw; } /** Paint this instance onto the specified graphics context. */ public synchronized void paint(Graphics g) { g.lock(); g.setColor(Graphics.getColorOfName(Graphics.BLACK)); g.fillRect(0, 0, getWidth(), getHeight()); g.setColor(Graphics.getColorOfName(Graphics.WHITE)); g.drawLine(0, 0, 0, getHeight()); g.drawLine(201, 0, 201, getHeight()); g.drawLine(0, getHeight(), 201, getHeight()); if ((food != null)&& (!blDisplay)) { food.paint(g) |
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