This is part of my code
world=new World();
TextureManager tm=TextureManager.getInstance();
try {
Texture _Vegetation_Blur7_1 = new Texture(getAssets().open(
"changjing2/_Vegetation_Blur7_1.jpg"));
Texture _Vegetation_Blur7_3 = new Texture(getAssets().open(
"changjing2/_Vegetation_Blur7_3.jpg"));
Texture _Vegetation_Juniper2_2 = new Texture(getAssets().open(
"changjing2/_Vegetation_Juniper2_2.jpg"));
Texture _Wood__Floor_1 = new Texture(getAssets().open(
"changjing2/_Wood__Floor_1.jpg"));
Texture _Wood__Floor_2 = new Texture(getAssets().open(
"changjing2/_Wood__Floor_2.jpg"));
Texture Carpet_Loop_Pattern = new Texture(getAssets().open(
"changjing2/Carpet_Loop_Pattern.jpg"));
Texture Groundcover_Gravel_1inch = new Texture(getAssets().open(
"changjing2/Groundcover_Gravel_1inch.jpg"));
Texture Groundcover_RiverRock_4inch = new Texture(getAssets().open(
"changjing2/Groundcover_RiverRock_4inch.jpg"));
Texture Groundcover_Sand_Smooth = new Texture(getAssets().open(
"changjing2/Groundcover_Sand_Smooth.jpg"));
Texture Stone_Coursed_Rough = new Texture(getAssets().open(
"changjing2/Stone_Coursed_Rough.jpg"));
Texture Stone_Pavers_Flagstone_Gray = new Texture(getAssets().open(
"changjing2/Stone_Pavers_Flagstone_Gray.jpg"));
Texture Vegetation_Blur7 = new Texture(getAssets().open(
"changjing2/Vegetation_Blur7.jpg"));
Texture Vegetation_Grass_Artificial = new Texture(getAssets().open(
"changjing2/Vegetation_Grass_Artificial.jpg"));
Texture Wood__Floor = new Texture(getAssets().open(
"changjing2/Wood__Floor.jpg"));
tm.addTexture("_Vegetation_Blur7_1",_Vegetation_Blur7_1);
tm.addTexture("_Vegetation_Blur7_3",_Vegetation_Blur7_3);
tm.addTexture("_Vegetation_Juniper2_2",_Vegetation_Juniper2_2);
tm.addTexture("_Wood__Floor_1",_Wood__Floor_1);
tm.addTexture("_Wood__Floor_2",_Wood__Floor_2);
tm.addTexture("Carpet_Loop_Pattern",Carpet_Loop_Pattern);
tm.addTexture("Groundcover_Gravel_1inch",Groundcover_Gravel_1inch);
tm.addTexture("Groundcover_RiverRock_4inch",Groundcover_RiverRock_4inch);
tm.addTexture("Groundcover_Sand_Smooth",Groundcover_Sand_Smooth);
tm.addTexture("Stone_Coursed_Rough",Stone_Coursed_Rough);
tm.addTexture("Stone_Pavers_Flagstone_Gray",Stone_Pavers_Flagstone_Gray);
tm.addTexture("Vegetation_Blur7",Vegetation_Blur7);
tm.addTexture("Vegetation_Grass_Artificial",Vegetation_Grass_Artificial);
tm.addTexture("Wood__Floor",Wood__Floor);
plane = Object3D.mergeAll(Loader.loadOBJ(
getAssets().open("plane.obj"),
getAssets().open("plane.mtl"),
0.15f));
//??????????????????
// plane.setTexture("_Vegetation_Blur7_1");
// plane.setTexture("_Vegetation_Blur7_3");
// plane.setTexture("_Vegetation_Juniper2_2");
// plane.setTexture("_Wood__Floor_1");
// plane.setTexture("_Wood__Floor_2");
// plane.setTexture("Carpet_Loop_Pattern");
// plane.setTexture("Groundcover_Gravel_1inch");
// plane.setTexture("Groundcover_Gravel_1inch");
// plane.setTexture("Groundcover_RiverRock_4inch");
// plane.setTexture("Groundcover_Sand_Smooth");
// plane.setTexture("Stone_Coursed_Rough");
// plane.setTexture("Stone_Pavers_Flagstone_Gray");
// plane.setTexture("Vegetation_Blur7");
// plane.setTexture("Vegetation_Grass_Artificial");
// plane.setTexture("Wood__Floor");
} catch (IOException e) {
e.printStackTrace();
}