Picking up some goodies

Now we have implemented enemies and projectiles. But even if the player shot enemy airplanes down, and had exciting battles, he wouldn't remark that his success changes anything. You want to give the player the feeling that he is progressing in the game. Usual for this game genre are power-ups that the enemies drop when they are killed. So let's go ahead and implement that in our game.

Now this is the same story as with the projectile. Most of the things we need have already been implemented; therefore, this will be quite easy to add. What we want is only an entity that, when the player touches it, applies an effect to the player and disappears. Not much work with our current framework.

class Pickup : public Entity
{
    public:
        enum Type
        {
            HealthRefill,
            MissileRefill,
            FireSpread,
            FireRate,
            TypeCount
        };

    public:
                               Pickup(Type type,const TextureHolder...