【问题标题】:libgdx fails to load textures after some time一段时间后,libgdx 无法加载纹理
【发布时间】:2015-12-25 00:05:41
【问题描述】:

所以我正在制作一款运行良好的僵尸射击游戏,但是在运行了一段时间后,我遇到了这个异常:

Exception in thread "LWJGL Application" com.badlogic.gdx.utils.GdxRuntimeException: 
    Couldn't load file: 1zom3.png
at com.badlogic.gdx.graphics.Pixmap.<init>(Pixmap.java:140)
at com.badlogic.gdx.graphics.TextureData$Factory.loadFromFile(TextureData.java:98)
at com.badlogic.gdx.graphics.Texture.<init>(Texture.java:100)
at com.badlogic.gdx.graphics.Texture.<init>(Texture.java:92)
at com.lastride.game.Entity.changeState(Entity.java:51)
at com.lastride.game.Enemy.seek(Enemy.java:39)
at com.lastride.game.LastRideGame.update(LastRideGame.java:149)
at com.lastride.game.LastRideGame.render(LastRideGame.java:229)
at com.badlogic.gdx.backends.lwjgl.LwjglApplication.mainLoop(LwjglApplication.java:215)
at com.badlogic.gdx.backends.lwjgl.LwjglApplication$1.run(LwjglApplication.java:120)
Caused by: java.io.IOException: Error loading pixmap: 
at com.badlogic.gdx.graphics.g2d.Gdx2DPixmap.<init>(Gdx2DPixmap.java:57)
at com.badlogic.gdx.graphics.Pixmap.<init>(Pixmap.java:138)
... 9 more

我知道图像在它工作时就在那里,但似乎在运行一段时间后它崩溃了。

这是它崩溃的方法:

public void changeState(int i)
{
    //changes the state and concurrently the image associated with the given state
    state = i;
    sprite = new Sprite(new Texture(Gdx.files.internal(name+i+suff)));//crashes here
    bounding = (sprite.getBoundingRectangle());
    if (sprite.getTexture().getTextureData().isPrepared()==false)
    {
        sprite.getTexture().getTextureData().prepare();
    }
    playerMap = sprite.getTexture().getTextureData().consumePixmap();
}

【问题讨论】:

  • 您是否在调用 dispose 处理已完成的旧纹理?如果没有,这可能是由于您的大量内存泄漏而导致的内存不足错误。如果您发布更多堆栈跟踪信息,将会有很大帮助。
  • 我照你说的做了,发布了更多的堆栈跟踪,我在需要精灵之前尝试调用 sprite.getTexture.dispoose(精灵 = 新精灵)但是这给我留下了黑色图像,没有纹理

标签: gradle libgdx textures sprite game-physics


【解决方案1】:

正如@Tenfour04 指出的那样,这可能是内存不足的问题。

不要这样做:

sprite = new Sprite(new Texture(Gdx.files.internal(name+i+suff)));

创建一个全局(和/或可能的static 和/或可能的finalTexture 对象,并在游戏开始时仅加载一次并重复使用它。

类似这样的:

public static Texture myTexture_1;           //<< your texture
public static final int ID_MY_TEXTURE_1 = 1; //<< this will work as an ID

// This method is called once in your game (like in the create() method)...
public static void load() {
    myTexture_1 = new Texture(Gdx.files.internal(name + ID_MY_TEXTURE_1 + suff));
}

// when no longer necessary, remove it...
public static void dispose() {
    myTexture_1.dispose();
    // and so on...
}

然后,在您的 changeState() 方法中,进行切换以检索正确的纹理:

public void changeState(int i) {
    state = i;
    switch(i){
        case ID_MY_TEXTURE_1 :
        sprite = new Sprite(myTexture_1);
        break;
        // rest of cases...
    }
    // rest of your code...
}

【讨论】:

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