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嘗試爲粒子效果加載文件時獲取NullPointerException。嘗試爲LIBGDX中的粒子效果加載文件時獲取NullPointerException
particleEffect = new ParticleEffect();
particleEffect.load(Gdx.files.internal("hdpi/particles/progressbar"), Gdx.files.internal("hdpi/particles"));
這裏是堆棧跟蹤:
Exception in thread "Timer-0" java.lang.NullPointerException
at org.lwjgl.opengl.GL11.glGenTextures(GL11.java:1372)
at com.badlogic.gdx.backends.lwjgl.LwjglGL10.glGenTextures(LwjglGL10.java:240)
at com.badlogic.gdx.graphics.Texture.createGLHandle(Texture.java:166)
at com.badlogic.gdx.graphics.Texture.create(Texture.java:158)
at com.badlogic.gdx.graphics.Texture.<init>(Texture.java:133)
at com.badlogic.gdx.graphics.Texture.<init>(Texture.java:126)
at com.badlogic.gdx.graphics.g2d.ParticleEffect.loadTexture(ParticleEffect.java:198)
at com.badlogic.gdx.graphics.g2d.ParticleEffect.loadEmitterImages(ParticleEffect.java:193)
at com.badlogic.gdx.graphics.g2d.ParticleEffect.load(ParticleEffect.java:141)
at com.yyy.xxx.Screens.GameScreen.<init>(GameScreen.java:38)
at com.yyy.xxx.MyScreen$3.getScreenInstance(MyScreen.java:27)
at com.yyy.xxx.ScreenManager.show(ScreenManager.java:33)
at com.yyy.xxx.ScreenChangeTask.run(ScreenChangeTask.java:15)
at java.util.TimerThread.mainLoop(Unknown Source)
at java.util.TimerThread.run(Unknown Source)
任何建議,爲什麼?
UPDATE:
我tryed在Android上運行,它的工作原理,但我得到這樣的:
,但如果我關掉手機屏幕,打開它回來了,比我看到這個,應該是這樣的:
我覺得這個更新會回覆第一條評論。
1)與桌面問題沒有解決 2)與應用程序啓動惡劣粒子圖像的新問題......
粒子效果文本文件引用了一堆其他圖像文件。這些都在場嗎?如果你手動加載圖像,他們的工作? – 2013-03-12 21:19:22
我覺得我的帖子更新會回覆你的評論。 – Aleksandrs 2013-03-14 09:02:03