// 更新贪吃蛇的状态
myWorm.update(g);
// 头部的位置和食物的位置重合就吃到食物
if (myFood.isAt(myWorm.getX(), myWorm.getY())) {
myWorm.eat();
score += level;
foodEaten++;
if (foodEaten > (level << 1)) {
/* 增加游戏难度 */
forceRedraw = true;
foodEaten = 0;
level++;
if (tonePlayer != null) {
try {
tonePlayer.setMediaTime(0);
tonePlayer.start();
} catch (MediaException me) { } }
} else {
if (audioPlayer != null) {
try {
Manager.playTone(69, 50, 100); // Play audio
} catch (MediaException me) { } } }
g.setColor(WormPit.ERASE_COLOUR);
// 填充长方形(三个字的宽度)
g.fillRect((width - (SCORE_CHAR_WIDTH * 3))-START_POS,
height-START_POS,
(SCORE_CHAR_WIDTH * 3),
SCORE_CHAR_HEIGHT);
g.setColor(WormPit.DRAW_COLOUR);
// 显示新的分数
g.drawString("" + score,
width - (SCORE_CHAR_WIDTH * 3) - START_POS,
height - START_POS, Graphics.TOP|Graphics.LEFT);
// 重新生成食物
myFood.regenerate();
int x = myFood.getX();
int y = myFood.getY();
while (myWorm.contains(x, y)) {
// 如果食物和贪吃蛇的身体重复就重新生成
myFood.regenerate();
x = myFood.getX(); y = myFood.getY(); } }
// 画出食物
myFood.paint(g);
} catch (WormException se) { gameOver = true; } |