Question

根据调试屏幕，错误出现在：

1.Line 61 :( Class Sprite）

private void load() {
    for (int y = 0; y < SIZE; y++) {
        for (int x = 0; x < SIZE; x++) {
            pixels[x + y * SIZE] = sheet.pixels[(x + this.x) + (y + this.y) * sheet.SIZE];      //Here is the error.
        }
    }
}

2.Line 43 :( Class Sprite）

public Sprite(int size, int x, int y, SpriteSheet sheet) {
    SIZE = size;
    pixels = new int[SIZE * SIZE];
    this.x = x * size;
    this.y = y * size;
    this.sheet = sheet;
    load();                                     //Here is the error.
}

3。第16行:(类精灵）

public static Sprite spawn_grass = new Sprite(16, 0, 3, SpriteSheet.spawn_level);   //Here is the error.
public static Sprite spawn_stone = new Sprite(16, 0, 2, SpriteSheet.spawn_level);
public static Sprite spawn_water = new Sprite(16, 1, 3, SpriteSheet.spawn_level);
public static Sprite spawn_wall = new Sprite(16, 1, 1, SpriteSheet.spawn_level);
public static Sprite spawn_wall2 = new Sprite(16, 1, 2, SpriteSheet.spawn_level);
public static Sprite spawn_floor = new Sprite(16, 0, 0, SpriteSheet.spawn_level);

第23行:(班主任）

public Player(int x, int y, Keyboard input) {
this.x = x;
this.y = y;
this.input = input;
sprite = Sprite.player_forward;          //Here is the error.

}

5.Line 46 :(类游戏）

public Game() {
    Dimension size = new Dimension(width * scale, height * scale);
    setPreferredSize(size);

    screen = new Screen(width, height);
    frame = new JFrame();
    key = new Keyboard();
    level = Level.spawn;
    player = new Player(16 * 6, 16 * 4, key);       //Here is the error.

    addKeyListener(key);
}

我该怎么办？救命啊！

Answer 1

而不是数组使用数组列表，因为load()仅在构造函数中（我只能看到一次），您可以附加元素而不是为数组找到正确的索引。因此，如果您附加列表，则永远不会出现越界错误。

数组列表代码：

ArrayList<Integer> list = new ArrayList<>(); //init list

list.add(); //put same thing you would with array in ()

如果错误仍然存在，则问题是sheet.pixels[]，但是我无法看到该代码，所以如果这是问题我无法帮助你，直到我看到它被初始化的地方

索引数组超出范围异常？

1 个答案: