package lecture18;

import com.jme3.app.SimpleApplication;
import com.jme3.bullet.BulletAppState;
import com.jme3.bullet.control.RigidBodyControl;
import com.jme3.light.DirectionalLight;
import com.jme3.material.Material;
import com.jme3.math.ColorRGBA;
import com.jme3.math.Quaternion;
import com.jme3.math.Vector3f;
import com.jme3.scene.Geometry;
import com.jme3.scene.Node;
import com.jme3.scene.shape.Box;
import com.jme3.scene.shape.PQTorus;
import com.jme3.scene.shape.Sphere;

public class Example02 extends SimpleApplication {

    Geometry floor1, floor2, floor3;
    Node boxes;
    Geometry ball;
    Vector3f floor2Normal = new Vector3f(-1f, 2f, 0).normalize();
    Vector3f floor3Normal = new Vector3f(1f, 2f, 0).normalize();
    private BulletAppState bulletAppState;

    protected Geometry boxFromNormal(String name, Vector3f n) {
        Box b = new Box(10f, 1f, 30f);
        Geometry bg = new Geometry(name, b);
        Material mat = new Material(assetManager, "Common/MatDefs/Light/Lighting.j3md");
        mat.setBoolean("UseMaterialColors", true);
        mat.setColor("Ambient", ColorRGBA.Gray);
        mat.setColor("Diffuse", ColorRGBA.Gray);
        bg.setMaterial(mat);

        Quaternion q = new Quaternion();
        q.fromAxes(n.cross(Vector3f.UNIT_Z), n, Vector3f.UNIT_Z);
        bg.setLocalRotation(q);
        return bg;
    }

    public void simpleInitApp() {
        bulletAppState = new BulletAppState();
        stateManager.attach(bulletAppState);
        
        DirectionalLight sun = new DirectionalLight();
        sun.setDirection(new Vector3f(1, -5, -7));
        sun.setColor(ColorRGBA.White);
        rootNode.addLight(sun);

        boxes = new Node("boxes");

        floor1 = boxFromNormal("floor1", Vector3f.UNIT_Y);
        boxes.attachChild(floor1);


        floor2 = boxFromNormal("floor2", floor2Normal);
        floor2.setLocalTranslation(18.5f, 4.5f, 0);
        boxes.attachChild(floor2);



        floor3 = boxFromNormal("floor3", floor3Normal);
        floor3.setLocalTranslation(-18.5f, 4.5f, 0);
        boxes.attachChild(floor3);

        rootNode.attachChild(boxes);
        RigidBodyControl scenePhy = new RigidBodyControl(0f);
        boxes.addControl(scenePhy);
        scenePhy.setRestitution(1);
        scenePhy.setFriction(2);


        bulletAppState.getPhysicsSpace().add(scenePhy);



       

        Material mat = new Material(assetManager, "Common/MatDefs/Light/Lighting.j3md");
        mat.setBoolean("UseMaterialColors", true);
        mat.setColor("Ambient", ColorRGBA.Red);
        mat.setColor("Diffuse", ColorRGBA.Red);

        Sphere s = new Sphere(60, 60, 1.5f);
        //Box s = new Box(1,1,1);
        //PQTorus s = new PQTorus(5,3, 1f, 0.5f, 32, 32);
        ball = new Geometry("Sphere", s);
        ball.setMaterial(mat);
        ball.move(15, 30, 0);
        RigidBodyControl myControl = new RigidBodyControl(1f);
        ball.addControl(myControl);
        myControl.setRestitution(.8f);
        myControl.setFriction(2);
        myControl.setDamping(0, 0.1f);
        //myControl.setAngularVelocity(new Vector3f(0,0,-5));

        bulletAppState.getPhysicsSpace().add(myControl);

        rootNode.attachChild(ball);

        cam.setLocation(new Vector3f(0, 10, 100));
        cam.lookAt(Vector3f.ZERO, Vector3f.UNIT_Y);

    }

    @Override
    public void simpleUpdate(float tpf) {
   
    }

    public static void main(String[] args) {
        Example02 app = new Example02();
        app.start();
    }
}