average composite on terrain sprites

src/tilemap.rs

@@ -46,6 +46,7 @@ pub fn handle_tile_occlusion_updates(
     )>,
     mut cwss: ResMut<CurrentWorldSpriteState>,
 ) {
+    println!("updating tile occlusion");
     query_set
         .p0()
         .par_iter_mut()
@@ -91,7 +92,8 @@ pub fn calculate_visibility(pos: IVec3, tilemap: &TileMap) -> [u32; 8] {
 
         let mut is_occluded = false;
 
-        'vertical_check: for z_offset in 1..15 {
+        let v_check_height: i32 = Z_TOTAL as i32 - (camera_z / ITILE_SIZE) + Z_BELOW as i32 + 1;
+        'vertical_check: for z_offset in 1..v_check_height {
             let above_pos = IVec3::new(pos.x, pos.y, pos.z + (z_offset * ITILE_SIZE));
             if above_pos.z <= camera_z {
                 if let Some(&(_, opaque, _, _, _)) = tilemap.floor_tiles.get(&above_pos) {
@@ -194,13 +196,13 @@ fn generate_chunks_from_algo(
                     );
                     let pos_ivec = position.as_ivec3();
 
-                    if z < -8 {
+                    if z < -5 {
                         let noise_value = cave_noise.get([
                             world_x as f64 * 0.05,
                             world_y as f64 * 0.05,
-                            z as f64 * 0.05,
+                            z as f64 * (0.15 * -z as f64),
                         ]);
-                        if noise_value < -0.5 {
+                        if noise_value < -0.65 {
                             FloorTilePrefab::air(position).spawn(&mut commands);
                             tilemap
                                 .floor_tiles
@@ -275,7 +277,7 @@ fn generate_chunks_from_algo(
 
 fn setup_initial_chunks(mut event_writer: EventWriter<LoadChunkEvent>) {
     println!("setup_initial_chunks");
-    for x in -2..=2 {
+    for x in -3..=3 {
         for y in -2..=2 {
             event_writer.write(LoadChunkEvent {
                 chunk_position: IVec2::new(x, y),