rootNode.setCullMode(Spatial.CULL_NEVER);
rootNode.setCullMode(SceneElement.CULL_NEVER);
	protected void simpleInitGame() {		setupSound();		/** Create a + for the middle of the screen */		Text cross = new Text("Crosshairs", "+");		// 8 is half the width of a font char		/** Move the + to the middle */		cross.setLocalTranslation(new Vector3f(display.getWidth() / 2f - 8f,				display.getHeight() / 2f - 8f, 0));		fpsNode.attachChild(cross);		target = new Sphere("my sphere", 15, 15, 1);		target.setModelBound(new BoundingSphere());		target.updateModelBound();		rootNode.attachChild(target);		/** Create a skybox to suround our world */		sb = new Skybox("skybox", 200, 200, 200);		URL monkeyLoc = HelloIntersection.class.getClassLoader().getResource(				"jmetest/data/texture/clouds.png");		TextureState ts = display.getRenderer().createTextureState();		ts.setTexture(TextureManager.loadTexture(monkeyLoc, Texture.MM_LINEAR,				Texture.FM_LINEAR));		sb.setRenderState(ts);		// Attach the skybox to our root node, and force the rootnode to show		// so that the skybox will always show		rootNode.attachChild(sb);		rootNode.setCullMode(Spatial.CULL_NEVER);		/**		 * Set the action called "firebullet", bound to KEY_F, to performAction		 * FireBullet		 */        input.addAction( new FireBullet(), "firebullet", KeyInput.KEY_F, false );		/** Make bullet material */		bulletMaterial = display.getRenderer().createMaterialState();		bulletMaterial.setEmissive(ColorRGBA.green);		/** Make target material */		MaterialState redMaterial = display.getRenderer().createMaterialState();		redMaterial.setDiffuse(ColorRGBA.red);		target.setRenderState(redMaterial);	}