Improve workaround for wgpu's gles texture type inference

* Remove unnecessary feature flag (`atlas`) from WebGL2 section

README.md

@@ -90,11 +90,9 @@ After that's installed and configured, run:
 #### WebGL2
 
 ```bash
-cargo run --target wasm32-unknown-unknown --example animation --features atlas
+cargo run --target wasm32-unknown-unknown --example animation
 ```
 
-**Note**: You **must** use the `atlas` feature when targeting the web with WebGL2. See [#283](https://github.com/StarArawn/bevy_ecs_tilemap/issues/283).
-
 #### WebGPU
 
 WebGPU is not yet well [supported](https://caniuse.com/webgpu) by many browsers.

src/render/texture_array_cache.rs

@@ -156,8 +156,12 @@ impl TextureArrayCache {
  let (count, tile_size, _, _, filter, format) =
  self.meta_data.get(texture).unwrap();
 
- // Fixes weird cubemap bug.
- let count = if *count == 6 { count + 1 } else { *count };
+ // Fixes issue where wgpu's gles texture type inference fails.
+ let count = if *count == 1 || count % 6 == 0 {
+ count + 1
+ } else {
+ *count
+ };
 
  let gpu_texture = render_device.create_texture(&TextureDescriptor {
  label: Some("texture_array"),