2019-11-13 03:36:02 +00:00
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[package]
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name = "bevy"
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2021-04-06 18:48:48 +00:00
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version = "0.5.0"
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2021-10-27 00:12:14 +00:00
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edition = "2021"
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2020-11-10 03:26:08 +00:00
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categories = ["game-engines", "graphics", "gui", "rendering"]
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2020-08-10 00:24:27 +00:00
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description = "A refreshingly simple data-driven game engine and app framework"
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2020-11-10 03:26:08 +00:00
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exclude = ["assets/**/*", "tools/**/*", ".github/**/*", "crates/**/*"]
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2020-08-10 00:24:27 +00:00
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homepage = "https://bevyengine.org"
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keywords = ["game", "engine", "gamedev", "graphics", "bevy"]
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2021-07-23 21:11:51 +00:00
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license = "MIT OR Apache-2.0"
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2020-11-10 18:58:51 +00:00
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readme = "README.md"
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2020-11-10 03:26:08 +00:00
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repository = "https://github.com/bevyengine/bevy"
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[workspace]
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2021-11-13 22:43:19 +00:00
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exclude = ["benches", "crates/bevy_ecs_compile_fail_tests"]
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2021-12-14 03:58:23 +00:00
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members = ["crates/*", "examples/ios", "tools/ci", "errors"]
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2019-11-13 03:36:02 +00:00
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2020-03-11 05:20:49 +00:00
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[features]
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2020-09-02 00:02:11 +00:00
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default = [
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2020-11-10 03:26:08 +00:00
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"bevy_audio",
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"bevy_gilrs",
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"bevy_winit",
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"render",
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"png",
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"hdr",
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2021-12-23 19:19:15 +00:00
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"vorbis",
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2020-11-10 03:26:08 +00:00
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"x11",
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2021-12-18 19:38:05 +00:00
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"filesystem_watcher",
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2020-09-02 00:02:11 +00:00
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]
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2020-11-03 00:30:30 +00:00
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2020-11-10 03:26:08 +00:00
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# Force dynamic linking, which improves iterative compile times
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dynamic = ["bevy_dylib"]
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2020-10-01 20:04:06 +00:00
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2021-12-14 03:58:23 +00:00
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# Rendering support
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2021-08-01 19:14:47 +00:00
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render = [
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2021-12-14 03:58:23 +00:00
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"bevy_internal/bevy_core_pipeline",
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2021-08-01 19:14:47 +00:00
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"bevy_internal/bevy_pbr",
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2021-12-14 03:58:23 +00:00
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"bevy_internal/bevy_gltf",
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2021-08-01 19:14:47 +00:00
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"bevy_internal/bevy_render",
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"bevy_internal/bevy_sprite",
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"bevy_internal/bevy_text",
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"bevy_internal/bevy_ui",
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]
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2020-11-10 03:26:08 +00:00
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# Optional bevy crates
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bevy_audio = ["bevy_internal/bevy_audio"]
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2021-12-14 03:58:23 +00:00
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bevy_core_pipeline = ["bevy_internal/bevy_core_pipeline"]
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2020-11-10 03:26:08 +00:00
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bevy_dynamic_plugin = ["bevy_internal/bevy_dynamic_plugin"]
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bevy_gilrs = ["bevy_internal/bevy_gilrs"]
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bevy_gltf = ["bevy_internal/bevy_gltf"]
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2022-01-04 19:49:38 +00:00
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bevy_pbr = ["bevy_internal/bevy_pbr"]
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bevy_render = ["bevy_internal/bevy_render"]
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bevy_sprite = ["bevy_internal/bevy_sprite"]
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bevy_text = ["bevy_internal/bevy_text"]
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bevy_ui = ["bevy_internal/bevy_ui"]
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2020-11-10 03:26:08 +00:00
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bevy_winit = ["bevy_internal/bevy_winit"]
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2022-01-04 19:49:38 +00:00
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# Tracing features
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2021-12-18 00:09:22 +00:00
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trace_chrome = ["trace", "bevy_internal/trace_chrome"]
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trace_tracy = ["trace", "bevy_internal/trace_tracy"]
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2020-11-11 02:49:49 +00:00
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trace = ["bevy_internal/trace"]
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2020-11-10 03:26:08 +00:00
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wgpu_trace = ["bevy_internal/wgpu_trace"]
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2020-08-11 06:30:42 +00:00
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# Image format support for texture loading (PNG and HDR are enabled by default)
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2020-11-10 03:26:08 +00:00
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hdr = ["bevy_internal/hdr"]
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png = ["bevy_internal/png"]
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2020-12-10 02:34:27 +00:00
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dds = ["bevy_internal/dds"]
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tga = ["bevy_internal/tga"]
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jpeg = ["bevy_internal/jpeg"]
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2020-12-23 22:53:02 +00:00
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bmp = ["bevy_internal/bmp"]
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2020-08-11 06:30:42 +00:00
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# Audio format support (MP3 is enabled by default)
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2020-11-10 03:26:08 +00:00
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flac = ["bevy_internal/flac"]
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mp3 = ["bevy_internal/mp3"]
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vorbis = ["bevy_internal/vorbis"]
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wav = ["bevy_internal/wav"]
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2020-08-11 06:30:42 +00:00
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2021-11-13 21:15:22 +00:00
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# Enable watching file system for asset hot reload
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filesystem_watcher = ["bevy_internal/filesystem_watcher"]
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2020-11-10 03:26:08 +00:00
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serialize = ["bevy_internal/serialize"]
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2020-08-22 01:13:50 +00:00
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2020-08-25 00:06:08 +00:00
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# Display server protocol support (X11 is enabled by default)
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2020-11-10 03:26:08 +00:00
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wayland = ["bevy_internal/wayland"]
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x11 = ["bevy_internal/x11"]
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2020-05-06 01:44:32 +00:00
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2022-01-04 19:49:38 +00:00
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# Enable rendering of font glyphs using subpixel accuracy
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2021-01-03 20:39:11 +00:00
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subpixel_glyph_atlas = ["bevy_internal/subpixel_glyph_atlas"]
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2022-01-04 19:49:38 +00:00
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# Enable systems that allow for automated testing on CI
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2021-04-14 21:40:36 +00:00
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bevy_ci_testing = ["bevy_internal/bevy_ci_testing"]
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2019-11-13 03:36:02 +00:00
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[dependencies]
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2021-08-01 19:14:47 +00:00
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bevy_dylib = { path = "crates/bevy_dylib", version = "0.5.0", default-features = false, optional = true }
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bevy_internal = { path = "crates/bevy_internal", version = "0.5.0", default-features = false }
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2020-04-06 03:19:02 +00:00
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2021-12-22 20:59:48 +00:00
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[target.'cfg(target_arch = "wasm32")'.dependencies]
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bevy_internal = { path = "crates/bevy_internal", version = "0.5.0", default-features = false, features = ["webgl"] }
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2020-04-06 03:19:02 +00:00
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[dev-dependencies]
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2021-07-15 21:25:49 +00:00
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anyhow = "1.0.4"
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2021-01-17 21:43:03 +00:00
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rand = "0.8.0"
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2021-12-09 20:14:00 +00:00
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ron = "0.7.0"
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2021-08-01 19:14:47 +00:00
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serde = { version = "1", features = ["derive"] }
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2022-01-05 19:43:11 +00:00
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bytemuck = "1.7"
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2021-05-23 20:13:55 +00:00
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# Needed to poll Task examples
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futures-lite = "1.11.3"
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2019-12-24 00:13:05 +00:00
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2020-05-01 20:12:47 +00:00
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[[example]]
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name = "hello_world"
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path = "examples/hello_world.rs"
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2021-02-22 04:50:05 +00:00
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# 2D Rendering
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[[example]]
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name = "contributors"
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path = "examples/2d/contributors.rs"
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2021-03-25 01:46:22 +00:00
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[[example]]
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name = "many_sprites"
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path = "examples/2d/many_sprites.rs"
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Add an example to draw a rectangle (#2957)
# Objective
Every time I come back to Bevy I face the same issue: how do I draw a rectangle again? How did that work? So I go to https://github.com/bevyengine/bevy/tree/main/examples in the hope of finding literally the simplest possible example that draws something on the screen without any dependency such as an image. I don't want to have to add some image first, I just quickly want to get something on the screen with `main.rs` alone so that I can continue building on from that point on. Such an example is particularly helpful for a quick start for smaller projects that don't even need any assets such as images (this is my case currently).
Currently every single example of https://github.com/bevyengine/bevy/tree/main/examples#2d-rendering (which is the first section after hello world that beginners will look for for very minimalistic and quick examples) depends on at least an asset or is too complex. This PR solves this.
It also serves as a great comparison for a beginner to realize what Bevy is really like and how different it is from what they may expect Bevy to be. For example for someone coming from [LÖVE](https://love2d.org/), they will have something like this in their head when they think of drawing a rectangle:
```lua
function love.draw()
love.graphics.setColor(0.25, 0.25, 0.75);
love.graphics.rectangle("fill", 0, 0, 50, 50);
end
```
This, of course, differs quite a lot from what you do in Bevy. I imagine there will be people that just want to see something as simple as this in comparison to have a better understanding for the amount of differences.
## Solution
Add a dead simple example drawing a blue 50x50 rectangle in the center with no more and no less than needed.
2021-12-18 00:52:37 +00:00
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[[example]]
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name = "rect"
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path = "examples/2d/rect.rs"
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2020-05-04 08:22:25 +00:00
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[[example]]
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name = "sprite"
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path = "examples/2d/sprite.rs"
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Add Sprite Flipping (#1407)
OK, here's my attempt at sprite flipping. There are a couple of points that I need review/help on, but I think the UX is about ideal:
```rust
.spawn(SpriteBundle {
material: materials.add(texture_handle.into()),
sprite: Sprite {
// Flip the sprite along the x axis
flip: SpriteFlip { x: true, y: false },
..Default::default()
},
..Default::default()
});
```
Now for the issues. The big issue is that for some reason, when flipping the UVs on the sprite, there is a light "bleeding" or whatever you call it where the UV tries to sample past the texture boundry and ends up clipping. This is only noticed when resizing the window, though. You can see a screenshot below.
![image](https://user-images.githubusercontent.com/25393315/107098172-397aaa00-67d4-11eb-8e02-c90c820cd70e.png)
I am quite baffled why the texture sampling is overrunning like it is and could use some guidance if anybody knows what might be wrong.
The other issue, which I just worked around, is that I had to remove the `#[render_resources(from_self)]` annotation from the Spritesheet because the `SpriteFlip` render resource wasn't being picked up properly in the shader when using it. I'm not sure what the cause of that was, but by removing the annotation and re-organizing the shader inputs accordingly the problem was fixed.
I'm not sure if this is the most efficient way to do this or if there is a better way, but I wanted to try it out if only for the learning experience. Let me know what you think!
2021-03-03 19:26:45 +00:00
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[[example]]
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name = "sprite_flipping"
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path = "examples/2d/sprite_flipping.rs"
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2020-06-02 02:23:11 +00:00
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[[example]]
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name = "sprite_sheet"
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path = "examples/2d/sprite_sheet.rs"
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2020-12-27 19:19:03 +00:00
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[[example]]
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name = "text2d"
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path = "examples/2d/text2d.rs"
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2021-02-22 04:50:05 +00:00
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[[example]]
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name = "texture_atlas"
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path = "examples/2d/texture_atlas.rs"
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# 3D Rendering
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2021-01-01 20:58:49 +00:00
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[[example]]
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name = "3d_scene"
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path = "examples/3d/3d_scene.rs"
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2021-06-02 02:59:17 +00:00
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[[example]]
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2021-12-14 03:58:23 +00:00
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name = "lighting"
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path = "examples/3d/lighting.rs"
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2021-07-08 02:49:33 +00:00
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2020-05-01 20:12:47 +00:00
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[[example]]
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2020-10-18 20:48:15 +00:00
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name = "load_gltf"
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path = "examples/3d/load_gltf.rs"
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2020-05-01 20:12:47 +00:00
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2021-07-30 03:37:34 +00:00
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[[example]]
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2021-12-14 03:58:23 +00:00
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name = "many_cubes"
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path = "examples/3d/many_cubes.rs"
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2021-07-30 03:37:34 +00:00
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2020-07-30 01:15:15 +00:00
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[[example]]
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name = "msaa"
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path = "examples/3d/msaa.rs"
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2021-02-01 00:22:06 +00:00
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[[example]]
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name = "orthographic"
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path = "examples/3d/orthographic.rs"
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2020-05-01 20:12:47 +00:00
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[[example]]
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name = "parenting"
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path = "examples/3d/parenting.rs"
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2021-03-20 03:22:33 +00:00
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[[example]]
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name = "pbr"
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path = "examples/3d/pbr.rs"
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2021-06-27 23:10:23 +00:00
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[[example]]
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2021-12-14 03:58:23 +00:00
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name = "shadow_biases"
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path = "examples/3d/shadow_biases.rs"
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2021-07-19 19:20:59 +00:00
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2021-08-25 19:44:20 +00:00
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[[example]]
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2021-12-14 03:58:23 +00:00
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name = "shadow_caster_receiver"
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path = "examples/3d/shadow_caster_receiver.rs"
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2020-05-01 20:12:47 +00:00
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2021-12-30 21:07:26 +00:00
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[[example]]
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name = "spherical_area_lights"
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path = "examples/3d/spherical_area_lights.rs"
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2020-05-01 20:12:47 +00:00
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[[example]]
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name = "texture"
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path = "examples/3d/texture.rs"
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2021-01-01 20:58:49 +00:00
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[[example]]
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name = "update_gltf_scene"
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path = "examples/3d/update_gltf_scene.rs"
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2021-03-04 01:23:24 +00:00
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[[example]]
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name = "wireframe"
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path = "examples/3d/wireframe.rs"
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2021-02-22 04:50:05 +00:00
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# Application
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2020-11-09 21:04:27 +00:00
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[[example]]
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name = "custom_loop"
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path = "examples/app/custom_loop.rs"
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2021-01-01 21:31:22 +00:00
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[[example]]
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name = "drag_and_drop"
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path = "examples/app/drag_and_drop.rs"
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2020-05-01 20:12:47 +00:00
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[[example]]
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name = "empty"
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path = "examples/app/empty.rs"
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2020-11-13 01:23:57 +00:00
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[[example]]
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2021-02-22 04:50:05 +00:00
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name = "empty_defaults"
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path = "examples/app/empty_defaults.rs"
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2020-11-13 01:23:57 +00:00
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2020-05-01 20:12:47 +00:00
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[[example]]
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name = "headless"
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path = "examples/app/headless.rs"
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2021-02-22 04:50:05 +00:00
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[[example]]
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name = "logs"
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path = "examples/app/logs.rs"
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2020-05-03 08:30:10 +00:00
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[[example]]
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name = "plugin"
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path = "examples/app/plugin.rs"
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2020-10-29 20:04:28 +00:00
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[[example]]
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name = "plugin_group"
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path = "examples/app/plugin_group.rs"
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2020-08-21 05:37:19 +00:00
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[[example]]
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name = "return_after_run"
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path = "examples/app/return_after_run.rs"
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2020-08-14 17:15:29 +00:00
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[[example]]
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name = "thread_pool_resources"
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path = "examples/app/thread_pool_resources.rs"
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2021-12-15 00:15:47 +00:00
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[[example]]
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name = "without_winit"
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path = "examples/app/without_winit.rs"
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2021-02-22 04:50:05 +00:00
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# Assets
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2020-05-17 03:18:30 +00:00
|
|
|
[[example]]
|
|
|
|
name = "asset_loading"
|
|
|
|
path = "examples/asset/asset_loading.rs"
|
|
|
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|
2020-10-01 18:31:06 +00:00
|
|
|
[[example]]
|
2020-10-18 20:48:15 +00:00
|
|
|
name = "custom_asset"
|
|
|
|
path = "examples/asset/custom_asset.rs"
|
2020-10-01 18:31:06 +00:00
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|
2020-12-18 19:34:44 +00:00
|
|
|
[[example]]
|
|
|
|
name = "custom_asset_io"
|
|
|
|
path = "examples/asset/custom_asset_io.rs"
|
|
|
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|
2021-02-22 04:50:05 +00:00
|
|
|
[[example]]
|
|
|
|
name = "hot_asset_reloading"
|
|
|
|
path = "examples/asset/hot_asset_reloading.rs"
|
|
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|
2021-05-23 20:13:55 +00:00
|
|
|
# Async Tasks
|
|
|
|
[[example]]
|
|
|
|
name = "async_compute"
|
|
|
|
path = "examples/async_tasks/async_compute.rs"
|
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|
2021-02-22 04:50:05 +00:00
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|
# Audio
|
2020-07-16 20:46:51 +00:00
|
|
|
[[example]]
|
|
|
|
name = "audio"
|
|
|
|
path = "examples/audio/audio.rs"
|
|
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|
2021-02-22 04:50:05 +00:00
|
|
|
# Diagnostics
|
|
|
|
[[example]]
|
|
|
|
name = "log_diagnostics"
|
|
|
|
path = "examples/diagnostics/log_diagnostics.rs"
|
|
|
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|
2020-05-04 21:14:49 +00:00
|
|
|
[[example]]
|
|
|
|
name = "custom_diagnostic"
|
|
|
|
path = "examples/diagnostics/custom_diagnostic.rs"
|
|
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|
2021-02-22 04:50:05 +00:00
|
|
|
# ECS (Entity Component System)
|
2020-05-04 21:14:49 +00:00
|
|
|
[[example]]
|
2021-02-22 04:50:05 +00:00
|
|
|
name = "ecs_guide"
|
|
|
|
path = "examples/ecs/ecs_guide.rs"
|
2020-05-04 21:14:49 +00:00
|
|
|
|
2020-12-31 22:29:08 +00:00
|
|
|
[[example]]
|
2021-07-12 20:09:43 +00:00
|
|
|
name = "component_change_detection"
|
|
|
|
path = "examples/ecs/component_change_detection.rs"
|
2020-12-31 22:29:08 +00:00
|
|
|
|
2020-05-01 20:12:47 +00:00
|
|
|
[[example]]
|
|
|
|
name = "event"
|
|
|
|
path = "examples/ecs/event.rs"
|
|
|
|
|
2020-12-13 02:04:42 +00:00
|
|
|
[[example]]
|
|
|
|
name = "fixed_timestep"
|
|
|
|
path = "examples/ecs/fixed_timestep.rs"
|
|
|
|
|
2021-02-22 04:50:05 +00:00
|
|
|
[[example]]
|
|
|
|
name = "hierarchy"
|
|
|
|
path = "examples/ecs/hierarchy.rs"
|
|
|
|
|
Add a method `iter_combinations` on query to iterate over combinations of query results (#1763)
Related to [discussion on discord](https://discord.com/channels/691052431525675048/742569353878437978/824731187724681289)
With const generics, it is now possible to write generic iterator over multiple entities at once.
This enables patterns of query iterations like
```rust
for [e1, e2, e3] in query.iter_combinations() {
// do something with relation of all three entities
}
```
The compiler is able to infer the correct iterator for given size of array, so either of those work
```rust
for [e1, e2] in query.iter_combinations() { ... }
for [e1, e2, e3] in query.iter_combinations() { ... }
```
This feature can be very useful for systems like collision detection.
When you ask for permutations of size K of N entities:
- if K == N, you get one result of all entities
- if K < N, you get all possible subsets of N with size K, without repetition
- if K > N, the result set is empty (no permutation of size K exist)
Co-authored-by: Carter Anderson <mcanders1@gmail.com>
2021-05-17 23:33:47 +00:00
|
|
|
[[example]]
|
|
|
|
name = "iter_combinations"
|
|
|
|
path = "examples/ecs/iter_combinations.rs"
|
|
|
|
|
2021-02-22 04:50:05 +00:00
|
|
|
[[example]]
|
|
|
|
name = "parallel_query"
|
|
|
|
path = "examples/ecs/parallel_query.rs"
|
|
|
|
|
|
|
|
[[example]]
|
|
|
|
name = "removal_detection"
|
|
|
|
path = "examples/ecs/removal_detection.rs"
|
|
|
|
|
2020-05-01 20:12:47 +00:00
|
|
|
[[example]]
|
|
|
|
name = "startup_system"
|
|
|
|
path = "examples/ecs/startup_system.rs"
|
|
|
|
|
2020-12-13 02:04:42 +00:00
|
|
|
[[example]]
|
|
|
|
name = "state"
|
|
|
|
path = "examples/ecs/state.rs"
|
|
|
|
|
2020-11-17 02:18:00 +00:00
|
|
|
[[example]]
|
|
|
|
name = "system_chaining"
|
|
|
|
path = "examples/ecs/system_chaining.rs"
|
|
|
|
|
2021-03-03 03:11:11 +00:00
|
|
|
[[example]]
|
|
|
|
name = "system_param"
|
|
|
|
path = "examples/ecs/system_param.rs"
|
|
|
|
|
2021-04-23 19:08:16 +00:00
|
|
|
[[example]]
|
|
|
|
name = "system_sets"
|
|
|
|
path = "examples/ecs/system_sets.rs"
|
|
|
|
|
2020-11-27 19:39:33 +00:00
|
|
|
[[example]]
|
|
|
|
name = "timers"
|
|
|
|
path = "examples/ecs/timers.rs"
|
|
|
|
|
2021-02-22 04:50:05 +00:00
|
|
|
# Games
|
2021-01-21 22:10:02 +00:00
|
|
|
[[example]]
|
|
|
|
name = "alien_cake_addict"
|
|
|
|
path = "examples/game/alien_cake_addict.rs"
|
|
|
|
|
2020-06-27 04:40:09 +00:00
|
|
|
[[example]]
|
|
|
|
name = "breakout"
|
2020-06-28 18:11:18 +00:00
|
|
|
path = "examples/game/breakout.rs"
|
2020-06-27 04:40:09 +00:00
|
|
|
|
2021-02-22 04:50:05 +00:00
|
|
|
# Input
|
2020-05-01 20:12:47 +00:00
|
|
|
[[example]]
|
2021-02-22 04:50:05 +00:00
|
|
|
name = "char_input_events"
|
|
|
|
path = "examples/input/char_input_events.rs"
|
2020-05-01 20:12:47 +00:00
|
|
|
|
|
|
|
[[example]]
|
2021-02-22 04:50:05 +00:00
|
|
|
name = "gamepad_input"
|
|
|
|
path = "examples/input/gamepad_input.rs"
|
|
|
|
|
|
|
|
[[example]]
|
|
|
|
name = "gamepad_input_events"
|
|
|
|
path = "examples/input/gamepad_input_events.rs"
|
2020-06-05 06:49:36 +00:00
|
|
|
|
|
|
|
[[example]]
|
|
|
|
name = "keyboard_input"
|
|
|
|
path = "examples/input/keyboard_input.rs"
|
|
|
|
|
2021-03-14 21:00:36 +00:00
|
|
|
[[example]]
|
|
|
|
name = "keyboard_modifiers"
|
|
|
|
path = "examples/input/keyboard_modifiers.rs"
|
|
|
|
|
2020-06-05 06:49:36 +00:00
|
|
|
[[example]]
|
|
|
|
name = "keyboard_input_events"
|
|
|
|
path = "examples/input/keyboard_input_events.rs"
|
2020-05-01 20:12:47 +00:00
|
|
|
|
2020-11-07 01:15:56 +00:00
|
|
|
[[example]]
|
2021-02-22 04:50:05 +00:00
|
|
|
name = "mouse_input"
|
|
|
|
path = "examples/input/mouse_input.rs"
|
2020-09-18 21:43:47 +00:00
|
|
|
|
2020-10-21 17:27:00 +00:00
|
|
|
[[example]]
|
2021-02-22 04:50:05 +00:00
|
|
|
name = "mouse_input_events"
|
|
|
|
path = "examples/input/mouse_input_events.rs"
|
2020-10-21 17:27:00 +00:00
|
|
|
|
2020-10-18 19:24:01 +00:00
|
|
|
[[example]]
|
|
|
|
name = "touch_input"
|
|
|
|
path = "examples/input/touch_input.rs"
|
|
|
|
|
|
|
|
[[example]]
|
2020-10-18 20:20:42 +00:00
|
|
|
name = "touch_input_events"
|
|
|
|
path = "examples/input/touch_input_events.rs"
|
2020-10-18 19:24:01 +00:00
|
|
|
|
2021-02-22 04:50:05 +00:00
|
|
|
# Reflection
|
2020-05-01 20:12:47 +00:00
|
|
|
[[example]]
|
2020-11-28 00:39:59 +00:00
|
|
|
name = "reflection"
|
|
|
|
path = "examples/reflection/reflection.rs"
|
|
|
|
|
|
|
|
[[example]]
|
|
|
|
name = "generic_reflection"
|
|
|
|
path = "examples/reflection/generic_reflection.rs"
|
|
|
|
|
2021-02-22 04:50:05 +00:00
|
|
|
[[example]]
|
|
|
|
name = "reflection_types"
|
|
|
|
path = "examples/reflection/reflection_types.rs"
|
|
|
|
|
2020-11-28 00:39:59 +00:00
|
|
|
[[example]]
|
|
|
|
name = "trait_reflection"
|
|
|
|
path = "examples/reflection/trait_reflection.rs"
|
2020-05-01 20:12:47 +00:00
|
|
|
|
2021-02-22 04:50:05 +00:00
|
|
|
# Scene
|
2020-05-22 06:58:11 +00:00
|
|
|
[[example]]
|
2020-11-28 00:39:59 +00:00
|
|
|
name = "scene"
|
|
|
|
path = "examples/scene/scene.rs"
|
2020-05-22 06:58:11 +00:00
|
|
|
|
2021-02-22 04:50:05 +00:00
|
|
|
# Shaders
|
2020-05-01 20:12:47 +00:00
|
|
|
[[example]]
|
|
|
|
name = "shader_defs"
|
|
|
|
path = "examples/shader/shader_defs.rs"
|
|
|
|
|
Modular Rendering (#2831)
This changes how render logic is composed to make it much more modular. Previously, all extraction logic was centralized for a given "type" of rendered thing. For example, we extracted meshes into a vector of ExtractedMesh, which contained the mesh and material asset handles, the transform, etc. We looked up bindings for "drawn things" using their index in the `Vec<ExtractedMesh>`. This worked fine for built in rendering, but made it hard to reuse logic for "custom" rendering. It also prevented us from reusing things like "extracted transforms" across contexts.
To make rendering more modular, I made a number of changes:
* Entities now drive rendering:
* We extract "render components" from "app components" and store them _on_ entities. No more centralized uber lists! We now have true "ECS-driven rendering"
* To make this perform well, I implemented #2673 in upstream Bevy for fast batch insertions into specific entities. This was merged into the `pipelined-rendering` branch here: #2815
* Reworked the `Draw` abstraction:
* Generic `PhaseItems`: each draw phase can define its own type of "rendered thing", which can define its own "sort key"
* Ported the 2d, 3d, and shadow phases to the new PhaseItem impl (currently Transparent2d, Transparent3d, and Shadow PhaseItems)
* `Draw` trait and and `DrawFunctions` are now generic on PhaseItem
* Modular / Ergonomic `DrawFunctions` via `RenderCommands`
* RenderCommand is a trait that runs an ECS query and produces one or more RenderPass calls. Types implementing this trait can be composed to create a final DrawFunction. For example the DrawPbr DrawFunction is created from the following DrawCommand tuple. Const generics are used to set specific bind group locations:
```rust
pub type DrawPbr = (
SetPbrPipeline,
SetMeshViewBindGroup<0>,
SetStandardMaterialBindGroup<1>,
SetTransformBindGroup<2>,
DrawMesh,
);
```
* The new `custom_shader_pipelined` example illustrates how the commands above can be reused to create a custom draw function:
```rust
type DrawCustom = (
SetCustomMaterialPipeline,
SetMeshViewBindGroup<0>,
SetTransformBindGroup<2>,
DrawMesh,
);
```
* ExtractComponentPlugin and UniformComponentPlugin:
* Simple, standardized ways to easily extract individual components and write them to GPU buffers
* Ported PBR and Sprite rendering to the new primitives above.
* Removed staging buffer from UniformVec in favor of direct Queue usage
* Makes UniformVec much easier to use and more ergonomic. Completely removes the need for custom render graph nodes in these contexts (see the PbrNode and view Node removals and the much simpler call patterns in the relevant Prepare systems).
* Added a many_cubes_pipelined example to benchmark baseline 3d rendering performance and ensure there were no major regressions during this port. Avoiding regressions was challenging given that the old approach of extracting into centralized vectors is basically the "optimal" approach. However thanks to a various ECS optimizations and render logic rephrasing, we pretty much break even on this benchmark!
* Lifetimeless SystemParams: this will be a bit divisive, but as we continue to embrace "trait driven systems" (ex: ExtractComponentPlugin, UniformComponentPlugin, DrawCommand), the ergonomics of `(Query<'static, 'static, (&'static A, &'static B, &'static)>, Res<'static, C>)` were getting very hard to bear. As a compromise, I added "static type aliases" for the relevant SystemParams. The previous example can now be expressed like this: `(SQuery<(Read<A>, Read<B>)>, SRes<C>)`. If anyone has better ideas / conflicting opinions, please let me know!
* RunSystem trait: a way to define Systems via a trait with a SystemParam associated type. This is used to implement the various plugins mentioned above. I also added SystemParamItem and QueryItem type aliases to make "trait stye" ecs interactions nicer on the eyes (and fingers).
* RenderAsset retrying: ensures that render assets are only created when they are "ready" and allows us to create bind groups directly inside render assets (which significantly simplified the StandardMaterial code). I think ultimately we should swap this out on "asset dependency" events to wait for dependencies to load, but this will require significant asset system changes.
* Updated some built in shaders to account for missing MeshUniform fields
2021-09-23 06:16:11 +00:00
|
|
|
[[example]]
|
2021-12-14 03:58:23 +00:00
|
|
|
name = "shader_material"
|
|
|
|
path = "examples/shader/shader_material.rs"
|
Pipeline Specialization, Shader Assets, and Shader Preprocessing (#3031)
## New Features
This adds the following to the new renderer:
* **Shader Assets**
* Shaders are assets again! Users no longer need to call `include_str!` for their shaders
* Shader hot-reloading
* **Shader Defs / Shader Preprocessing**
* Shaders now support `# ifdef NAME`, `# ifndef NAME`, and `# endif` preprocessor directives
* **Bevy RenderPipelineDescriptor and RenderPipelineCache**
* Bevy now provides its own `RenderPipelineDescriptor` and the wgpu version is now exported as `RawRenderPipelineDescriptor`. This allows users to define pipelines with `Handle<Shader>` instead of needing to manually compile and reference `ShaderModules`, enables passing in shader defs to configure the shader preprocessor, makes hot reloading possible (because the descriptor can be owned and used to create new pipelines when a shader changes), and opens the doors to pipeline specialization.
* The `RenderPipelineCache` now handles compiling and re-compiling Bevy RenderPipelineDescriptors. It has internal PipelineLayout and ShaderModule caches. Users receive a `CachedPipelineId`, which can be used to look up the actual `&RenderPipeline` during rendering.
* **Pipeline Specialization**
* This enables defining per-entity-configurable pipelines that specialize on arbitrary custom keys. In practice this will involve specializing based on things like MSAA values, Shader Defs, Bind Group existence, and Vertex Layouts.
* Adds a `SpecializedPipeline` trait and `SpecializedPipelines<MyPipeline>` resource. This is a simple layer that generates Bevy RenderPipelineDescriptors based on a custom key defined for the pipeline.
* Specialized pipelines are also hot-reloadable.
* This was the result of experimentation with two different approaches:
1. **"generic immediate mode multi-key hash pipeline specialization"**
* breaks up the pipeline into multiple "identities" (the core pipeline definition, shader defs, mesh layout, bind group layout). each of these identities has its own key. looking up / compiling a specific version of a pipeline requires composing all of these keys together
* the benefit of this approach is that it works for all pipelines / the pipeline is fully identified by the keys. the multiple keys allow pre-hashing parts of the pipeline identity where possible (ex: pre compute the mesh identity for all meshes)
* the downside is that any per-entity data that informs the values of these keys could require expensive re-hashes. computing each key for each sprite tanked bevymark performance (sprites don't actually need this level of specialization yet ... but things like pbr and future sprite scenarios might).
* this is the approach rafx used last time i checked
2. **"custom key specialization"**
* Pipelines by default are not specialized
* Pipelines that need specialization implement a SpecializedPipeline trait with a custom key associated type
* This allows specialization keys to encode exactly the amount of information required (instead of needing to be a combined hash of the entire pipeline). Generally this should fit in a small number of bytes. Per-entity specialization barely registers anymore on things like bevymark. It also makes things like "shader defs" way cheaper to hash because we can use context specific bitflags instead of strings.
* Despite the extra trait, it actually generally makes pipeline definitions + lookups simpler: managing multiple keys (and making the appropriate calls to manage these keys) was way more complicated.
* I opted for custom key specialization. It performs better generally and in my opinion is better UX. Fortunately the way this is implemented also allows for custom caches as this all builds on a common abstraction: the RenderPipelineCache. The built in custom key trait is just a simple / pre-defined way to interact with the cache
## Callouts
* The SpecializedPipeline trait makes it easy to inherit pipeline configuration in custom pipelines. The changes to `custom_shader_pipelined` and the new `shader_defs_pipelined` example illustrate how much simpler it is to define custom pipelines based on the PbrPipeline.
* The shader preprocessor is currently pretty naive (it just uses regexes to process each line). Ultimately we might want to build a more custom parser for more performance + better error handling, but for now I'm happy to optimize for "easy to implement and understand".
## Next Steps
* Port compute pipelines to the new system
* Add more preprocessor directives (else, elif, import)
* More flexible vertex attribute specialization / enable cheaply specializing on specific mesh vertex layouts
2021-10-28 19:07:47 +00:00
|
|
|
|
2022-01-05 19:43:11 +00:00
|
|
|
[[example]]
|
|
|
|
name = "shader_material_glsl"
|
|
|
|
path = "examples/shader/shader_material_glsl.rs"
|
|
|
|
|
|
|
|
[[example]]
|
|
|
|
name = "shader_instancing"
|
|
|
|
path = "examples/shader/shader_instancing.rs"
|
|
|
|
|
|
|
|
[[example]]
|
|
|
|
name = "animate_shader"
|
|
|
|
path = "examples/shader/animate_shader.rs"
|
|
|
|
|
|
|
|
[[example]]
|
|
|
|
name = "compute_shader_game_of_life"
|
|
|
|
path = "examples/shader/compute_shader_game_of_life.rs"
|
|
|
|
|
2021-02-22 04:50:05 +00:00
|
|
|
# Tools
|
2020-11-13 02:03:57 +00:00
|
|
|
[[example]]
|
|
|
|
name = "bevymark"
|
|
|
|
path = "examples/tools/bevymark.rs"
|
|
|
|
|
2021-02-22 04:50:05 +00:00
|
|
|
# UI (User Interface)
|
2020-07-18 21:08:46 +00:00
|
|
|
[[example]]
|
|
|
|
name = "button"
|
|
|
|
path = "examples/ui/button.rs"
|
|
|
|
|
2021-02-22 04:50:05 +00:00
|
|
|
[[example]]
|
|
|
|
name = "font_atlas_debug"
|
|
|
|
path = "examples/ui/font_atlas_debug.rs"
|
|
|
|
|
2020-05-13 20:09:32 +00:00
|
|
|
[[example]]
|
|
|
|
name = "text"
|
|
|
|
path = "examples/ui/text.rs"
|
|
|
|
|
2020-11-13 00:21:48 +00:00
|
|
|
[[example]]
|
|
|
|
name = "text_debug"
|
|
|
|
path = "examples/ui/text_debug.rs"
|
|
|
|
|
2020-05-01 20:12:47 +00:00
|
|
|
[[example]]
|
|
|
|
name = "ui"
|
|
|
|
path = "examples/ui/ui.rs"
|
|
|
|
|
2021-02-22 04:50:05 +00:00
|
|
|
# Window
|
2020-06-25 22:24:27 +00:00
|
|
|
[[example]]
|
|
|
|
name = "clear_color"
|
|
|
|
path = "examples/window/clear_color.rs"
|
2021-12-18 19:38:05 +00:00
|
|
|
|
|
|
|
[[example]]
|
|
|
|
name = "multiple_windows"
|
|
|
|
path = "examples/window/multiple_windows.rs"
|
2020-06-25 22:24:27 +00:00
|
|
|
|
2020-12-28 20:26:50 +00:00
|
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[[example]]
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name = "scale_factor_override"
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|
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path = "examples/window/scale_factor_override.rs"
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2021-12-08 20:53:35 +00:00
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|
[[example]]
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|
|
|
name = "transparent_window"
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|
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path = "examples/window/transparent_window.rs"
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|
|
|
|
2020-07-20 09:05:56 +00:00
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|
[[example]]
|
|
|
|
name = "window_settings"
|
2020-08-21 05:37:19 +00:00
|
|
|
path = "examples/window/window_settings.rs"
|
2020-09-16 01:05:31 +00:00
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|
2021-02-22 04:50:05 +00:00
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|
# WASM
|
2020-09-16 01:05:31 +00:00
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|
[[example]]
|
|
|
|
name = "hello_wasm"
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|
|
|
path = "examples/wasm/hello_wasm.rs"
|
|
|
|
required-features = []
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|
|
|
|
2021-02-22 04:50:05 +00:00
|
|
|
[[example]]
|
|
|
|
name = "assets_wasm"
|
|
|
|
path = "examples/wasm/assets_wasm.rs"
|
|
|
|
required-features = ["bevy_winit"]
|
|
|
|
|
2020-09-16 01:05:31 +00:00
|
|
|
[[example]]
|
|
|
|
name = "headless_wasm"
|
|
|
|
path = "examples/wasm/headless_wasm.rs"
|
|
|
|
required-features = []
|
2020-09-16 20:40:32 +00:00
|
|
|
|
|
|
|
[[example]]
|
|
|
|
name = "winit_wasm"
|
|
|
|
path = "examples/wasm/winit_wasm.rs"
|
2020-09-19 03:11:26 +00:00
|
|
|
required-features = ["bevy_winit"]
|
2020-09-25 22:26:23 +00:00
|
|
|
|
2021-02-22 04:50:05 +00:00
|
|
|
# Android
|
2020-11-03 00:30:30 +00:00
|
|
|
[[example]]
|
2020-11-10 03:26:08 +00:00
|
|
|
crate-type = ["cdylib"]
|
2020-11-03 20:00:47 +00:00
|
|
|
name = "android"
|
|
|
|
path = "examples/android/android.rs"
|
2020-11-03 00:30:30 +00:00
|
|
|
|
|
|
|
[package.metadata.android]
|
2020-11-12 00:31:16 +00:00
|
|
|
apk_label = "Bevy Example"
|
|
|
|
assets = "assets"
|
|
|
|
res = "assets/android-res"
|
|
|
|
icon = "@mipmap/ic_launcher"
|
2020-11-22 00:38:24 +00:00
|
|
|
build_targets = ["aarch64-linux-android", "armv7-linux-androideabi"]
|
2020-11-03 19:32:48 +00:00
|
|
|
min_sdk_version = 16
|
2020-11-10 03:26:08 +00:00
|
|
|
target_sdk_version = 29
|