我刚开始学习使用libgdx进行3D渲染(使用Xoppa的教程),然后在android平台上使用.G3DB对象作为模型时遇到了帧率问题。
我从Blender中导入一个对象(之前使用fbx转换器将其转换为.g3db),在桌面上运行良好(60fps),但在android上只有5fps(我正在使用Nexus 5设备)。因此,我尝试使用相同的代码渲染一个立方体,那么就没有性能问题并且可以流畅地运行(该模型包含289个顶点)。
我在论坛上搜索了一些资料,但没有找到任何帮助我解决问题的信息。这是否是我的代码中G3dModelLoader的问题?
有谁可以帮帮我吗?
谢谢
N.B.:对不起,我的英语有误。
<!-- language-all: lang-java -->
private PerspectiveCamera camera;
private ModelBatch modelBatch;
private Model model;
private Model box;
private ModelInstance modelInstance;
private Environment environment;
private CameraInputController camController;
private ModelInstance boxInstance;
@Override
public void create() {
camera = new PerspectiveCamera(40,Gdx.graphics.getWidth(),Gdx.graphics.getHeight());
camera.position.set(0f,-30f,0f);
camera.lookAt(0f,0f,0f);
camera.near = 0.1f;
camera.far = 60.0f;
camera.update();
modelBatch = new ModelBatch();
// Blender object
UBJsonReader jsonReader = new UBJsonReader();
G3dModelLoader modelLoader = new G3dModelLoader(jsonReader);
model = modelLoader.loadModel(Gdx.files.getFileHandle("data/hill.g3db", FileType.Internal));
modelInstance = new ModelInstance(model,0,0,0);
// Cube object
ModelBuilder modelBuilder = new ModelBuilder();
box = modelBuilder.createBox(2f, 2f, 2f, new Material(ColorAttribute.createDiffuse(Color.BLUE)), VertexAttributes.Usage.Position | VertexAttributes.Usage.Normal);
boxInstance = new ModelInstance(box,0,0,0);
environment = new Environment();
environment.set(new ColorAttribute(ColorAttribute.AmbientLight, 0.8f, 0.8f, 0.8f, 1.0f));
environment.add(new DirectionalLight().set(0.8f, 0.8f, 0.8f, -1f, -0.8f, -0.2f));
camController = new CameraInputController(camera);
camController.scrollFactor=-0.05f;
camController.pinchZoomFactor=2f;
Gdx.input.setInputProcessor(camController);
camController.update();
}
@Override
public void dispose() {
modelBatch.dispose();
model.dispose();
box.dispose();
}
@Override
public void render() {
Gdx.gl.glViewport(0, 0, Gdx.graphics.getWidth(), Gdx.graphics.getHeight());
Gdx.gl.glClearColor(1, 1, 1, 1);
Gdx.gl.glClear(GL30.GL_COLOR_BUFFER_BIT | GL30.GL_DEPTH_BUFFER_BIT);
modelBatch.begin(camera);
modelBatch.render(modelInstance, environment);
System.out.println(Gdx.graphics.getFramesPerSecond());
modelBatch.end();
}
glViewport
。 - noone