Question

With LibGDX comes a example which use the MVC pattern.

the updater looks something like this

List<Enemies> enemies = new List<Enemies>();

public void update() {
updateEnemies();
checkCollision();
}

void updateEnemies() {
 for each enemy //Loop enemies list{
   enemy.update();
  }

}

void checkCollison(){
   for each enemy//Loop enemies list{
    if(enemy.overlaps(hero.bounds) {
       //Do stuff
    }
   }
}

Now it loops through enemeies list twice. Should I do this? Maybe not one small list but I want to add lots of lots of lists so should I merge them?

Cheers!

Answer 1

The iteration itself is cheap, and is unlikely to be the source of any performance problems. Nothing, however, is guaranteed; if you want to understand the performance characteristics of your program, use a profiler.