INNER CODE UNIT · Rust

spawn_monsters

rust-gamedev/rust-game-ports · rusty_roguelike-bevy/src/map_builder/mod.rs:139

    fn spawn_monsters(&self, start: &Point, rng: &mut RandomNumberGenerator) -> Vec<Point> {
        const NUM_MONSTERS: usize = 50;
        let mut spawnable_tiles: Vec<Point> = self
            .map
            .tiles
            .iter()
            .enumerate()
            .filter(|(idx, t)| {
                **t == TileType::Floor
                    && DistanceAlg::Pythagoras.distance2d(*start, self.map.index_to_point2d(*idx))
                        > 10.0
            })
            .map(|(idx, _)| self.map.index_to_point2d(idx))
            .collect();

        let mut spawns = Vec::new();
        for _ in 0..NUM_MONSTERS {
            let target_index = rng.random_slice_index(&spawnable_tiles).unwrap();

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