package lecture14;

import com.jme3.app.SimpleApplication;
import com.jme3.light.DirectionalLight;
import com.jme3.material.Material;
import com.jme3.math.ColorRGBA;
import com.jme3.math.Vector3f;
import com.jme3.scene.Geometry;
import com.jme3.scene.shape.Box;
import com.jme3.scene.shape.Sphere;

public class HelloAiming extends SimpleApplication {

    Geometry ag;
    Vector3f velocity = new Vector3f(0, 0, 0);
    Vector3f acceleration = new Vector3f(0, 0, 0);
    Vector3f gravity = new Vector3f(0, -9.8f, 0);

    public void simpleInitApp() {
        DirectionalLight sun = new DirectionalLight();
        sun.setDirection(new Vector3f(1, 0, -2).normalize());
        sun.setColor(ColorRGBA.White);
        rootNode.addLight(sun);

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

        Sphere s = new Sphere(60, 60, 1.5f);
        ag = new Geometry("Sphere", s);

        ag.setMaterial(redMat);
        rootNode.attachChild(ag);

        cam.setLocation(new Vector3f(0, 0, 60));
        reset();

    }

    protected void reset() {
        velocity = new Vector3f(10, 10, 0);
        ag.setLocalTranslation(-8, 0, 0);
    }

    @Override
    public void simpleUpdate(float tpf) {
        if (ag.getLocalTranslation().getY() < -15f) {
            reset();
        }
        acceleration = gravity;
        velocity = velocity.add(acceleration.mult(tpf));
        ag.move(velocity.mult(tpf));
    }

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