VehicleControl.java

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package mygame.controls_states;

import com.jme3.app.SimpleApplication;
import com.jme3.input.InputManager;
import com.jme3.input.KeyInput;
import com.jme3.input.controls.ActionListener;
import com.jme3.input.controls.KeyTrigger;
import com.jme3.math.Vector3f;
import com.jme3.renderer.RenderManager;
import com.jme3.renderer.ViewPort;
import com.jme3.scene.control.AbstractControl;
import static java.lang.Float.max;
import static java.lang.Float.min;
import java.util.Random;
import java.util.concurrent.ThreadLocalRandom;


/**
 *

 */
public class VehicleControl extends AbstractControl {
  static double count = 1;
    static  float deltaTime = 0;
    InputManager inputManager;
    SimpleApplication app;

    public VehicleControl(InputManager inputManager) {
        this.inputManager = inputManager;
        //this.app = app;
        initKeys();


    }

    ActionListener actionListener = new ActionListener() {

        @Override
        public void onAction(String name, boolean keyPressed, float tpf) {
          if(keyPressed){
            if ("Up".equals(name))
                GameState.getVehicleController().setLinearVelocity(new Vector3f (50, 0, 0));
         if ("Down".equals(name));
                GameState.getVehicleController().setLinearVelocity(new Vector3f (-50, 0, 0));
         if ("Left".equals(name))
                GameState.getVehicleController().setLinearVelocity(new Vector3f (0, 0, -50));
         if ("Right".equals(name))
                GameState.getVehicleController().setLinearVelocity(new Vector3f (0, 0, 50));
        }
         }
        };


    private void initKeys() {


        inputManager.addMapping("Up", new KeyTrigger(KeyInput.KEY_1));
        inputManager.addMapping("Down", new KeyTrigger(KeyInput.KEY_2));
        inputManager.addMapping("Left", new KeyTrigger(KeyInput.KEY_3));
        inputManager.addMapping("Right", new KeyTrigger(KeyInput.KEY_4));

        inputManager.addListener(actionListener, "Up");
        inputManager.addListener(actionListener, "Down");
        inputManager.addListener(actionListener, "Left");
        inputManager.addListener(actionListener, "Right");



    }

    @Override
    protected void controlUpdate(float tpf) {

        deltaTime += tpf;



    ////    double low = -7.0f;
    //    double high = 10.0f;
      //  double i = 0;

   //     Random random = new Random();
    //     if (deltaTime == 0.1){
      //  double randomer = ThreadLocalRandom.current().nextDouble(low, high);
 if(deltaTime > 0.1)   {
     // if ( count == 1) {
       //   i = 5;
    //      count = -1;
    //  }
   //   else if ( count == -1) {
    //      i = -1;
  //        count = 1;
 //     }

       GameState.getVehicleController().applyCentralForce(new Vector3f(0, 200, 0));
        deltaTime = 0;
       count = -count;
   }

    }

    @Override
    protected void controlRender(RenderManager rm, ViewPort vp) {
     //   throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }

}