wall can't overdraw projectile

core/src/com/trs/game/Controller.java

@@ -217,6 +217,7 @@ public class Controller extends ApplicationAdapter implements InputProcessor {
 				screen = new MainMenuScreen(GAME_WORLD_WIDTH,GAME_WORLD_HEIGHT);
 				break;
 			case 1: //GOTO GAMESCREEN
+				model = new Model();
 				screen = new GameScreen(GAME_WORLD_WIDTH,GAME_WORLD_HEIGHT);
 				break;
 			case 2: //GOTO ENDSCREEN

core/src/com/trs/game/model/Model.java

@@ -62,6 +62,12 @@ public class Model {
                     break;
                 }
             }
+            for(Projectile projectile : projectiles){
+                if(Intersector.overlapConvexPolygons(tempPolygon,projectile.getPolygon())){
+                    possible = false;
+                    break;
+                }
+            }
 
             if(possible){
                 leftWallLength -= Vector2.dst(tempStart.x,tempStart.y,x,y);