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random_map.rs
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random_map.rs
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use std::collections::HashSet;
use bevy::{
core::Time,
diagnostic::{FrameTimeDiagnosticsPlugin, LogDiagnosticsPlugin},
prelude::*,
render::camera::OrthographicCameraBundle,
window::WindowDescriptor,
};
use bevy_ecs_tilemap::prelude::*;
use rand::{thread_rng, Rng};
mod helpers;
fn startup(mut commands: Commands, asset_server: Res<AssetServer>, mut map_query: MapQuery) {
commands.spawn_bundle(OrthographicCameraBundle::new_2d());
let texture_handle = asset_server.load("tiles.png");
// Create map entity and component:
let map_entity = commands.spawn().id();
let mut map = Map::new(0u16, map_entity);
let layer_settings = LayerSettings::new(
MapSize(10, 10),
ChunkSize(64, 64),
TileSize(16.0, 16.0),
TextureSize(96.0, 16.0),
);
let center = layer_settings.get_pixel_center();
// Chunk sizes of 64x64 seem optimal for meshing updates.
let (mut layer_builder, layer_entity) =
LayerBuilder::<TileBundle>::new(&mut commands, layer_settings, 0u16, 0u16);
map.add_layer(&mut commands, 0u16, layer_entity);
layer_builder.for_each_tiles_mut(|tile_entity, tile_data| {