Shooter first person weapon and sign

Troubleshooting SDK
1

Hello, after many attempts in a shooter game test in first person, I can load a weapon and walk so I 'm very happy :slight_smile: but now I don’t have idea how to do for gestion of: mouse-weapon-sign and cam
when I move the mouse. Actually I just walk and the sign is fix in front of the player I wanna move the player like this:
http://www.youtube.com/watch?v=M6021QkCDUw

this is the player code

[java]
private void initPlayer(){
flyCam.setMoveSpeed(100);
CapsuleCollisionShape capsuleShape = new CapsuleCollisionShape(1.5f, 6f, 1);
player = new CharacterControl(capsuleShape, 0.05f);
player.setJumpSpeed(20);
player.setFallSpeed(30);
player.setGravity(30);
player.setPhysicsLocation(new Vector3f(0, 100, 0));
bulletAppState.getPhysicsSpace().add(player);

	sword =  (Node) assetManager.loadModel("assets/saiga.blend");
	sword.setLocalScale(0.5f, 0.5f, 0.5f);
	sword.rotate(0,-FastMath.HALF_PI,0);
	sword.move(-1, -2, 4);
	cn = new CameraNode("first person camera node", cam);
    //add all at node
	playerNode = new Node("player node");
	playerNode.addControl(player);
	player.setPhysicsLocation(new Vector3f(0, 100, 0));
	playerNode.attachChild(sword);
	playerNode.attachChild(cn);
	
	rootNode.attachChild(playerNode);
}

//and sign

protected void initCrossHairs() {
	guiFont = assetManager.loadFont("Interface/Fonts/Default.fnt");
	BitmapText ch = new BitmapText(guiFont, false);
	ch.setSize(guiFont.getCharSet().getRenderedSize() * 2);
	ch.setText("+"); // crosshairs
	ch.setLocalTranslation( // center
			settings.getWidth() / 2 - guiFont.getCharSet().getRenderedSize() / 3 * 2,
			settings.getHeight() / 2 + ch.getLineHeight() / 2, 0);
	guiNode.attachChild(ch);
}

[/java]

Anyone can help me? thanks in advance:)