projet-programmation-orientee-objet/core/src/sagittarius/view/GameScreen.java

package sagittarius.view;

import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.math.Vector2;
import com.badlogic.gdx.math.Vector3;
import com.badlogic.gdx.scenes.scene2d.Group;

import sagittarius.model.*;

public class GameScreen extends BaseScreen {

// ---------- ATTRIBUTEs ----------

    // Cursors
    public static Vector2 screenCursor;
    private static Vector3 unprojectedCursor;
	public static Vector2 worldCursor;

    // Groups  // TODO: move this in SagittariusGame ?
    public static Group attractors;
    public static Group arrows;

// ---------- METHODs ----------

    @Override
    public void initialize() {

        // planets & moons
        attractors = new Group();
        
        Planet planet1 = new Planet(new Vector2(400, 400), 1000, 50, Color.BLUE);
        attractors.addActor(planet1);
        
        Planet planet2 = new Planet(new Vector2(1400, 700), 1000, 100, Color.ORANGE);
        attractors.addActor(planet2);

        Moon moon2_1 = new Moon(planet2, 100, 10, 300, Color.MAGENTA);
        attractors.addActor(moon2_1);

        mainStage.addActor(attractors);

        // players
        Player player1 = new Player(planet1, Color.WHITE);
        mainStage.addActor(player1);

        Player player2 = new Player(planet2, Color.WHITE);
        mainStage.addActor(player2);

        // arrows
        arrows = new Group();
        mainStage.addActor(arrows);

        // others
        FPS fpsCounter = new FPS();
        uiStage.addActor(fpsCounter);

        MouseInfo mouseInfo = new MouseInfo();
        uiStage.addActor(mouseInfo);

        mainStage.setDebugAll(true); // TODO: disable later

    }

    @Override
    public void update(float dt) {

		screenCursor = new Vector2(Gdx.input.getX(), Gdx.input.getY());
	    unprojectedCursor = mainStage.getCamera().unproject(new Vector3(screenCursor, 0));
		worldCursor = new Vector2(unprojectedCursor.x, unprojectedCursor.y);

    }

}