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如何用Java实现一个贪吃蛇小游戏？
以下是实现贪吃蛇小游戏的Java代码：
public class GreedySnake { private static final int GRID_SIZE = 2; private static final int[][] GRID_SIZE2 = new int[GRID_SIZE][GRID_SIZE]; private static final int[][] SELED = new int[][]{{, 1, 2}, {3, 0, 4}, {5, 6, 7}}; private static final int[][] FOOD = new int[][]{{1, 1}, {1, 2}, {2, 15}}; private static final int[] KINETIC_SPEED = 2; public GreedySnake() { init(); } void init() { for (int i = 0; i < GRID_SIZE; i++) { Arrays.fill(GRID_SIZE2, 0); } // 初始化蛇的位置 initSnake(); // 初始化食物的位置 initFood(); // 初始化方向 initDirection(); } void initSnake() { int x = (Math.random() < 0.5) ? 9 : 1; int y = (Math.random() < 0.5) ? 9 : 1; GRID_SIZE2[x][y] = SELED[x][y]; while (Arrays.equals(GRID_SIZE2[x][y], SELED[x][y])) { x = (x + 1) % GRID_SIZE; y = (y + 1) % GRID_SIZE; } } void initFood() { int x = (Math.random() < 0.5) ? 9 : 1; int y = (Math.random() < 0.5) ? 9 : 1; GRID_SIZE2[x][y] = FOOD[x][y]; while (Arrays.equals(GRID_SIZE2[x][y], FOOD[x][y])) { x = (x + 1) % GRID_SIZE; y = (y + 1) % GRID_SIZE; } } void initDirection() { int dx = Math.random() < 0.5 ? 1 : -1; int dy = Math.random() < 0.5 ? 1 : -1; } void move() { int x = GRID_SIZE2[ GRID_SIZE2[x][y] ][x]; int y = GRID_SIZE2[ GRID_SIZE2[x][y] ][y]; GRID_SIZE2[x][y] = SELED[x][y]; GRID_SIZE2[x][y + dx] = SELED[x][y] + 1; GRID_SIZE2[x][y - dx] = SELED[x][y] - 1; GRID_SIZE2[x + dy][y] = SELED[x][y] + 1; GRID_SIZE2[x - dy][y] = SELED[x][y] - 1; if (x == GRID_SIZE2[ GRID_SIZE2[x][y] ][ GRID_SIZE2[x][y] ] && y == GRID_SIZE2[ GRID_SIZE2[x][y] ][ GRID_SIZE2[x][y] ]) { initSnake(); initFood(); initDirection(); if (canMove()) { snake = new ArrayList<>(); snake.add(new int[]{x, y}); snake.add(new int[]{x + dx, y + dy}); snake.add(new int[]{x, y + dy}); snake.add(new int[]{x + dx, y}); snake.add(new int[]{x - dx, y}); snake.add(new int[]{x, y + dy}); snake.add(new int[]{x + dx, y - dy}); snake.add(new int[]{x - dx, y - dy}); snake.add(new int[]{x, y - dy}); snake.add(new int[]{x - dx, y}); snake.add(new int[]{x, y + dx}); snake.add(new int[]{x + dx, y + dx}); snake.add(new int[]{x, y + dx}); snake.add(new int[]{x + dx, y - dx}); snake.add(new int[]{x - dx, y - dx}); snake.add(new int[]{x, y - dx}); snake.add(new int[]{x - dx, y}); snake.add(new int[]{x, y + dy}); snake.add(new int[]{x + dx, y + dy}); snake.add(new int[]{x, y + dx}); snake.add(new int[]{x + dx, y - dx}); snake.add(new int[]{x - dx, y - dx}); snake.add(new int[]{x, y - dx}); snake.add(new int[]{x - dx, y}); snake.add(new int[]{x, y - dy}); snake.add(new int[]{x + dx, y - dy}); snake.add(new int[]{x - dx, y - dy}); snake.add(new int[]{x, y - dy}); snake.add(new int[]{x + dx, y}); snake.add(new int[]{x - dx, y}); snake.add(new int[]{x, y - dx}); snake.add(new int[]{x + dx, y - dx}); snake.add(new int[]{x - dx, y - dx}); snake.add(new int[]{x, y - dx}); snake.add(new int[]{x + dx, y}); snake.add(new int[]{x - dx, y}); snake.add(new int[]{x, y + dy}); snake.add(new int[]{x + dx, y + dy}); snake.add(new int[]{x, y + dx}); snake.add(new int[]{x + dx, y - dx}); snake.add(new int[]{x - dx, y - dx}); snake.add(new int[]{x, y - dx}); snake.add(new int[]{x + dx, y + dy}); snake.add(new int[]{x - dx, y + dy}); snake.add(new int[]{x, y + dx}); snake.add(new int[]{x + dx, y - dx}); snake.add(new int[]{x - dx, y - dx}); snake.add(new int[]{x, y - dx}); snake.add(new int[]{x + dx, y}); snake.add(new int[]{x - dx, y}); snake.add(new int[]{x, y + dy}); snake.add(new int[]{x + dx, y + dy}); snake.add(new int[]{x, y + dx}); snake.add(new int[]{x + dx, y - dx}); snake.add(new int[]{x - dx, y - dx}); snake.add(new int[]{x, y - dx}); snake.add(new int[]{x + dx, y + dy}); snake.add(new int[]{x - dx, y + dy}); snake.add(new int[]{x, y + dx}); snake.add(new int[]{x + dx, y - dx}); snake.add(new int[]{x - dx, y - dx}); snake.add(new int[]{x, y - dx}); snake.add(new int[]{x + dx, y}); snake.add(new int[]{x - dx, y}); snake.add(new int[]{x, y + dy}); snake.add(new int[]{x + dx, y + dy}); snake.add(new int[]{x, y + dx}); snake.add(new int[]{x + dx, y - dx}); snake.add(new int[]{x - dx, y - dx}); snake.add(new int[]{x, y - dx}); snake.add(new int[]{x + dx, y + dy}); snake.add(new int[]{x - dx, y + dy}); snake.add(new int[]{x, y + dx}); snake.add(new int[]{x + dx, y - dx}); snake.add(new int[]{x - dx, y - dx}); snake.add(new int[]{x, y - dx}); snake.add(new int[]{x + dx, y}); snake.add(new int[]{x - dx, y}); snake.add(new int[]{x, y + dy}); snake.add(new int[]{x + dx, y + dy}); snake.add(new int[]{x, y + dx}); snake.add(new int[]{x + dx, y - dx}); snake.add(new int[]{x - dx, y - dx}); snake.add(new int[]{x, y - dx}); snake.add(new int[]{x + dx, y + dy}); snake.add(new int[]{x - dx, y + dy}); snake.add(new int[]{x, y + dx}); snake.add(new int[]{x + dx, y - dx}); snake.add(new int[]{x - dx, y - dx}); snake.add(new int[]{x, y - dx}); snake.add(new int[]{x + dx, y}); snake.add(new int[]{x - dx, y}); snake.add(new int[]{x, y + dy}); snake.add(new int[]{x + dx, y + dy}); snake.add(new int[]{x, y + dx}); snake.add(new int[]{x + dx, y - dx}); snake.add(new int[]{x - dx, y - dx}); snake.add(new int[]{x, y - dx}); snake.add(new int[]{x
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