libgdx尚未初始化
问题描述:
我一直在编码我libgdx应用程序(仅适用于台式机)的同时,并通过部分决定清理代码部分iv'e得到了一个问题后,我似乎无法来解决自己..libgdx尚未初始化
例外:
Exception in thread "LWJGL Application" com.badlogic.gdx.utils.GdxRuntimeException: java.lang.UnsatisfiedLinkError: com.badlogic.gdx.physics.box2d.PolygonShape.newPolygonShape()J
at com.badlogic.gdx.backends.lwjgl.LwjglApplication$1.run(LwjglApplication.java:131)
Caused by: java.lang.UnsatisfiedLinkError: com.badlogic.gdx.physics.box2d.PolygonShape.newPolygonShape()J
at com.badlogic.gdx.physics.box2d.PolygonShape.newPolygonShape(Native Method)
at com.badlogic.gdx.physics.box2d.PolygonShape.<init>(PolygonShape.java:29)
at com.mygdx.game.handler.BodyEditorLoader.<init>(BodyEditorLoader.java:41)
at com.mygdx.game.util.GameUtils.init(GameUtils.java:23)
at com.mygdx.game.DungeonLife.create(DungeonLife.java:168)
at com.badlogic.gdx.backends.lwjgl.LwjglApplication.mainLoop(LwjglApplication.java:147)
at com.badlogic.gdx.backends.lwjgl.LwjglApplication$1.run(LwjglApplication.java:124)
google搜索了一会儿后,我想通是在this线程 在
提到我的错误的另一个问题可能是你会过早实例化一个SpriteBatch(或其他内部使用SpriteBatch的东西)(在堆栈跟踪中看起来有点像这样)。
但作为答案提到
相反,建立在你的游戏的创建/显示方法,这样的事情。
我似乎无法理解当libgdx初始化并准备使用,并在那里把我GameUtils.init()方法,以确保libgdx初始化
我的代码如下:(我有取出的e-相关方法)
应用类
package com.mygdx.game;
import box2dLight.RayHandler;
import com.badlogic.gdx.ApplicationAdapter;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.graphics.GL20;
import com.badlogic.gdx.graphics.OrthographicCamera;
import com.badlogic.gdx.graphics.Texture;
import com.badlogic.gdx.graphics.g2d.TextureRegion;
import com.badlogic.gdx.maps.MapProperties;
import com.badlogic.gdx.maps.tiled.TiledMap;
import com.badlogic.gdx.maps.tiled.TmxMapLoader;
import com.badlogic.gdx.maps.tiled.renderers.OrthogonalTiledMapRenderer;
import com.badlogic.gdx.math.Vector2;
import com.badlogic.gdx.physics.box2d.*;
import com.mygdx.game.entity.MobEntity;
import com.mygdx.game.entity.PhysicalEntity;
import com.mygdx.game.entity.Player;
import com.mygdx.game.entity.Weapon;
import com.mygdx.game.handler.*;
import com.mygdx.game.util.CollisionConstants;
import com.mygdx.game.util.GameUtils;
import com.mygdx.game.util.TileObjectUtil;
import com.mygdx.game.util.WorldConstants;
import com.mygdx.game.valtype.WeaponDefinition;
public class DungeonLife extends ApplicationAdapter implements WorldConstants {
OrthographicCamera camera;
float width , height;
Texture texture;
TextureRegion[] enttex;
//TEMP
MobEntity demo;
Player thePlayer;
PlayerInputProcessor playerInputProcessor;
ScreenUI ui;
int mapWidth , mapHeight;
//========================================
GameMap gameMap;
//========================================
@Override
public void create() {
texture = new Texture("maps/img/tileset_entity.png");
enttex = new TextureRegion[(int) ((texture.getWidth()*texture.getHeight())/(BLOCK*BLOCK))];
enttex[0] = new TextureRegion(texture , 0 , 0 , (int)BLOCK , (int)BLOCK);
enttex[1] = new TextureRegion(texture , (int)BLOCK , 0 , (int)BLOCK , (int)BLOCK);
width = Gdx.graphics.getWidth()/5;
height = Gdx.graphics.getHeight()/5;
camera = new OrthographicCamera(width,height);
camera.position.set(width/2, height/2, 0);
camera.update();
GameUtils.init(); // <------this guy
//init();
} ...
个GameUtils
package com.mygdx.game.util;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.graphics.Texture;
import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
import com.badlogic.gdx.maps.tiled.TiledMap;
import com.badlogic.gdx.maps.tiled.TmxMapLoader;
import com.badlogic.gdx.physics.box2d.Body;
import com.badlogic.gdx.physics.box2d.World;
import com.mygdx.game.entity.PhysicalEntity;
import com.mygdx.game.handler.*;
import java.util.PriorityQueue;
public class GameUtils {
public static void init(){
weapon_bodyEditorLoader = new BodyEditorLoader(Gdx.files.internal("textures/weapons/dungeonlife_weapons.json"));
resourceManager = new ResourceManager();
resourceManager.addRes("friendlyhealth" , new Texture("textures/ui/friendlyhealth.png"));
resourceManager.addRes("enemyhealth" , new Texture("textures/ui/enemyhealth.png"));
tmxMapLoader = new TmxMapLoader();
gameContactListender = new GameContactListender();
}
//GLOBAL
public static BodyEditorLoader weapon_bodyEditorLoader;
public static GameContactListender gameContactListender;
public static ResourceManager resourceManager;
public static TmxMapLoader tmxMapLoader;
//CURRENTS ============================
public static GameMap CURRENT_GAMEMAP;
}
桌面快速启动(平时)
package com.mygdx.game.desktop;
import com.badlogic.gdx.backends.lwjgl.LwjglApplication;
import com.badlogic.gdx.backends.lwjgl.LwjglApplicationConfiguration;
import com.mygdx.game.DungeonLife;
import com.mygdx.game.util.GameUtils;
public class DesktopLauncher {
public static void main (String[] arg) {
LwjglApplicationConfiguration config = new LwjglApplicationConfiguration();
config.useGL30 = false;
config.width=640;
config.height=360;
DungeonLife dungeonLife = new DungeonLife();
new LwjglApplication(dungeonLife, config);
}
}
帮助是大大appriciated! :D
答
正如我已经写在其他链接的答案,请确保您的项目设置正确。 Box2D是一个扩展,需要自己的本地库才能运行。
看来这是Box2D本地人尚未加载的特定问题。当LibGDX正在初始化时,它们不会自动加载,但您必须亲自触发它(请参阅wiki)。
您发布的代码看起来是正确的,但在您可以使用与Box2D相关的任何内容之前,您必须致电Box2D.init()
。另外,创建一个World
对象也是一样,但不是最好的方法。
似乎在调用gameUtils.init()之前生成一个新的box2d世界可以解决问题,原因是某种原因 – kw7