I use jBrush v0.3 load 3ds object and create animation
i serialize object with animation and get many .ser file.
When i use Loader.loadSerializedObject in jpct-ae i get error "ERROR: Can't deserialize object: null"

Loader.loadSerializedObject(getAssetManager().open("data/1.ser"));

What i doing wrong?

Ok, I had fix that, but it incorrect too.

double maxY=((double)height/(double)width)*maxX;

Object which have size 1f x 1f, when placed on the scene in coordinate (maxX-1, maxY-1) is not attached to right-up corner on the screen.
And when I change camera distance to another value (for example 6f), the gap between this object and the screen is getting smaller and object can be out of screen.

Hello,
    how get world view maxX,maxY.

I write menu on 3D.
Now i have different position of Object3D on different devices (which have different resolution)
I have got right maxX but wrong maxY


Here is the code, to calculate maxX and maxY:

Camera mCamera=new Camera();
mCamera.setPosition(new SimplyVector(0,0,5));
mCamera.setOrientation(new SimplyVector(0,0,-1),new SimplyVector(0,1,0));

double fov=mCamera.getFOV()/2;
double tg=(double)(Math.tan(fov)*(double)5); //5 is camera distance

double maxX=tg;
double maxY=(height/width)*maxX;