Method detect_hits

src/player.rs:47–59

(&mut self, invaders: &mut Invaders)

        self.shots.retain(|shot| !shot.dead());
    }
    pub fn detect_hits(&mut self, invaders: &mut Invaders) -> u16 {
        let mut hit_something = 0u16;
        for shot in self.shots.iter_mut() {
            if !shot.exploding {
                let hit_count = invaders.kill_invader_at(shot.x, shot.y);
                if hit_count > 0 {
                    hit_something += hit_count;
                    shot.explode();
                }
            }
        }
        hit_something
    }
}

impl Default for Player {