我正尝试将基于图块的游戏转换为3D游戏,从而直接进入我的第一个3D游戏.我正在使用libGDX的新3D类来完成此操作.

在这种情况下,我将每个图块渲染为一个盒子,将图块图中的每个块都转换为3D对象.它工作得相当好,但是当框共享一个边或角时,我收到了图形错误.

这似乎在桌面项目上更好地工作(似乎有时会发生,但不太严重)：

但不是在android设备上：

此小故障取决于在块的屏幕上绘制位置.这在几种不同的android设备上会发生,但在屏幕分辨率更高的设备上会更加明显.

这是我用来在主libGDX项目中呈现的代码：

@Override

public void create() {

modelBatch = new ModelBatch();

instances = new ArrayList();

//Setup camera

cam = new PerspectiveCamera(67, Gdx.graphics.getWidth(), Gdx.graphics.getHeight());

cam.position.set(0, 0, 150f);

cam.lookAt(0, 0,0);

cam.near = 0.1f;

cam.far = 500f;

cam.update();

//Setup Lighting

environment = new Environment();

environment.set(new ColorAttribute(ColorAttribute.AmbientLight, 0.4f, 0.4f, 0.4f, 1f));

environment.add(new DirectionalLight().set(0.8f, 0.8f, 0.8f, -1f, -0.8f, -0.2f));

// Add boxes

addBox(new Vector3(-50,0,0));

addBox(new Vector3(-50,16,0));

addBox(new Vector3(-50,32,0));

addBox(new Vector3(-50,48,0));

addBox(new Vector3(50,48,0));

addBox(new Vector3(66,48,0));

addBox(new Vector3(82,48,0));

addBox(new Vector3(98,48,0));

}

private void addBox(Vector3 position){

ModelBuilder modelBuilder = new ModelBuilder();

Model model = modelBuilder.createBox(16f, 16f, 16f,

new Material(ColorAttribute.createDiffuse(Color.GREEN)),

Usage.Position | Usage.Normal);

ModelInstance mis = new ModelInstance(model);

mis.transform.setTranslation(position);

instances.add(mis);

}

@Override

public void render() {

Gdx.gl.glViewport(0, 0, Gdx.graphics.getWidth(), Gdx.graphics.getHeight());

Gdx.gl.glClear(GL10.GL_COLOR_BUFFER_BIT | GL10.GL_DEPTH_BUFFER_BIT);

// The next two lines seem to improve the problem. Problem is almost totally gone

// I tweaked the values in glPolygonOffset to make it work better

Gdx.gl20.glEnable(Gdx.gl20.GL_POLYGON_OFFSET_FILL);

Gdx.gl20.glPolygonOffset(0.1f,0.1f);

// These make it worse!

// Gdx.gl.glEnable(Gdx.gl20.GL_DEPTH_TEST);

// Gdx.gl20.glDepthFunc(Gdx.gl20.GL_LEQUAL); // GL_LESS is default

modelBatch.begin(cam);

for(ModelInstance mi : instances)

modelBatch.render(mi,environment);

modelBatch.end();

}

有任何想法吗？

编辑：

更改render()方法后,在手机上渲染(放大,减少不良边缘)：