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35f1af522a
bevy/examples/2d
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Rob Parrett 35f1af522a
Reuse seeded rng in tilemap_chunk for more determinism (#19812) 
# Objective

This example uses a seeded RNG for the initial setup, but new unseeded
RNGs during each timed update.

This is causing the example to produce different output each time in the
[example report](https://bevyengine.github.io/bevy-example-runner/).

<img width="838" alt="image"
src="https://github.com/user-attachments/assets/05d78083-97d0-4bcf-aebc-f645b570d144"
/>

## Solution

Store and reuse the RNG, following the pattern used in other examples.

## Testing

`cargo run --example tilemap_chunk`
2025-06-25 16:10:04 +00:00
..
2d_shapes.rs Explanation for the '2d shapes' example (#19211) 2025-05-26 19:21:01 +00:00
2d_viewport_to_world.rs Adopt consistent FooSystems naming convention for system sets (#18900) 2025-05-06 15:18:03 +00:00
bloom_2d.rs Split Camera.hdr out into a new component (#18873) 2025-05-26 19:24:45 +00:00
cpu_draw.rs Upgrade to Rust Edition 2024 (#17967) 2025-02-24 03:54:47 +00:00
custom_gltf_vertex_attribute.rs Revert "Replace Ambient Lights with Environment Map Lights (#17482)" (#18167) 2025-03-05 23:08:46 +00:00
mesh2d_alpha_mode.rs Add uv_transform to ColorMaterial (#17879) 2025-02-24 21:17:26 +00:00
mesh2d_arcs.rs Updated the 2D examples to make them uniform (#17237) 2025-01-23 16:46:58 +00:00
mesh2d_manual.rs Adopt consistent FooSystems naming convention for system sets (#18900) 2025-05-06 15:18:03 +00:00
mesh2d_repeated_texture.rs Add uv_transform to ColorMaterial (#17879) 2025-02-24 21:17:26 +00:00
mesh2d_vertex_color_texture.rs Updated the 2D examples to make them uniform (#17237) 2025-01-23 16:46:58 +00:00
mesh2d.rs Updated the 2D examples to make them uniform (#17237) 2025-01-23 16:46:58 +00:00
move_sprite.rs Updated the 2D examples to make them uniform (#17237) 2025-01-23 16:46:58 +00:00
pixel_grid_snap.rs Updated the 2D examples to make them uniform (#17237) 2025-01-23 16:46:58 +00:00
rotation.rs Updated the 2D examples to make them uniform (#17237) 2025-01-23 16:46:58 +00:00
sprite_animation.rs Updated the 2D examples to make them uniform (#17237) 2025-01-23 16:46:58 +00:00
sprite_flipping.rs Updated the 2D examples to make them uniform (#17237) 2025-01-23 16:46:58 +00:00
sprite_scale.rs Rename JustifyText to Justify (#19522) 2025-06-09 19:59:48 +00:00
sprite_sheet.rs Updated the 2D examples to make them uniform (#17237) 2025-01-23 16:46:58 +00:00
sprite_slice.rs Rename JustifyText to Justify (#19522) 2025-06-09 19:59:48 +00:00
sprite_tile.rs Updated the 2D examples to make them uniform (#17237) 2025-01-23 16:46:58 +00:00
sprite.rs Updated the 2D examples to make them uniform (#17237) 2025-01-23 16:46:58 +00:00
text2d.rs Rename JustifyText to Justify (#19522) 2025-06-09 19:59:48 +00:00
texture_atlas.rs Rename JustifyText to Justify (#19522) 2025-06-09 19:59:48 +00:00
tilemap_chunk.rs Reuse seeded rng in tilemap_chunk for more determinism (#19812) 2025-06-25 16:10:04 +00:00
transparency_2d.rs Updated the 2D examples to make them uniform (#17237) 2025-01-23 16:46:58 +00:00
wireframe_2d.rs Add binned 2d/3d Wireframe render phase (#18587) 2025-04-09 21:34:53 +00:00