fix: hide some debug lines when not needed

core/src/sagittarius/model/Arrow.java

@@ -98,11 +98,13 @@ public class Arrow extends EntityQuad {
     @Override
     public void drawDebug(ShapeRenderer shapes) {
         super.drawDebug(shapes);
+        if (!landed) {
             if (getStage() != null) shapes.setColor(getStage().getDebugColor());
             for (Actor actor : GameScreen.attractors.getChildren()) {
                 shapes.line(getX(), getY(), actor.getX(), actor.getY());
             }
         }
+    }
 
     @Override
     public void draw(Batch batch, float parentAlpha) {
@@ -193,7 +195,7 @@ public class Arrow extends EntityQuad {
         }
     }
 
-    private boolean hasHit() { // doesn't work
+    private boolean hasHit() {
         for (Actor actor : GameScreen.players.getChildren()) {
             Player player = (Player) actor;
             if (player == GameScreen.playerCurrent) continue;
@@ -213,14 +215,13 @@ public class Arrow extends EntityQuad {
      * @return an array of vertices describing the trajectory of the Arrow.
      */
     static Trajectory computeTrajectory(float angle, float power, Player shooter, int iterations, float timeStep) {
-        Trajectory traj = new Trajectory(iterations);
+        Trajectory traj = new Trajectory(iterations); // TODO: not optimal
         Arrow dummyArrow = new Arrow(angle, power, shooter, true);
         for (int i = 0; i < iterations; i++) {
             dummyArrow.integrationVerlet(timeStep);
             traj.add(dummyArrow.getPosition());
             if ( dummyArrow.hasLanded() || dummyArrow.hasHit() ) { break; }
         }
-
         return traj;
     }
 

core/src/sagittarius/view/GameScreen.java

@@ -25,10 +25,10 @@ public class GameScreen extends BaseScreen implements InputProcessor {
     private static Vector3 unprojectedCursor;
 	public static Vector2 worldCursor;
 
-    // Groups  // TODO: move this in SagittariusGame ?
+    // Groups
     public static Group attractors;
     public static Group arrows;
-    public static Group players;
+    public static Group players; // TODO: move this in SagittariusGame ?
 
     // turn system stuff
     public static int playerIndex;

core/src/sagittarius/view/SettingsScreen.java

@@ -11,7 +11,6 @@ import com.kotcrab.vis.ui.widget.VisTextButton;
 import com.kotcrab.vis.ui.widget.spinner.SimpleFloatSpinnerModel;
 import com.kotcrab.vis.ui.widget.spinner.Spinner;
 
-
 import sagittarius.SagittariusGame;
 
 public class SettingsScreen extends BaseScreen {