Two object and different camera FOV for each one

Troubleshooting General Help
1

Please, could someone create for me example based on SimpleGame, where make two object (boxes for example) and draw/render it with different FOV on screen (change cam FOV in one render pass I mean) ?



I trying this with different ways. For example I create two boxes and I don't bind them to rootNode and then I do change in cam in method SimpleRender and explicitly call display.getRender().draw(box1), change cam FOV and render (box2) and change cam FOV back. It doesn't work.




2

How about you post what you have so far and we can work through it.

3
explicitly call display.getRender().draw(box1), change cam FOV and render (box2) and change cam FOV back. It doesn't work.

Of course it doesn't work, that's because jME queues up all draw calls!  :P The latest changes to the camera are used.
In order for the draw calls to flush, you have to call display.getRenderer().renderQueue().
4
Momoko_Fan said:

... you have to call display.getRenderer().renderQueue().


Many thanks. It was it what I want know.

Working example of two boxes and each one is render with different FOV (JMe 2.0 and LWJGL option):


import com.jme.app.SimpleGame;
import com.jme.math.Vector3f;
import com.jme.scene.shape.Box;
import com.jme.scene.state.WireframeState;

public class TwoFovInOneScene extends SimpleGame {

    public static void main(String[] args){
        TwoFovInOneScene game = new TwoFovInOneScene();
        game.start();
    }
   
    private Box box1;
    private Box box2;
   
   
   
    @Override
    protected void simpleInitGame() {
        WireframeState ws = display.getRenderer().createWireframeState();
        ws.setEnabled(true);
       
        box1 = new Box("box1", new Vector3f(30, 0, -120), 20, 20, 20);
        box1.setRenderState(ws);
        box1.updateRenderState();
       
        box2 = new Box("box2", new Vector3f(-30, 0, -120), 20, 20, 20);
        box2.setRenderState(ws);
        box2.updateRenderState();
    }
   
    @Override
    protected void simpleRender() {
        super.simpleRender();
        display.getRenderer().renderQueue();
        cam.setFrustumPerspective(120, display.getWidth()/display.getHeight(), 1, 1000);
        cam.apply();
        display.getRenderer().draw(box1);
       
        display.getRenderer().renderQueue();
        cam.setFrustumPerspective(60, display.getWidth()/display.getHeight(), 1, 1000);
        cam.apply();
        display.getRenderer().draw(box2);
    }

}