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Force bevy_math/curve feature through bevy_color #139

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Dec 7, 2024
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Force bevy_math/curve feature through bevy_color #139

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4 changes: 3 additions & 1 deletion Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -27,7 +27,9 @@ bevy_ui = ["bevy/bevy_ui", "bevy/bevy_render"]
bevy_text = ["bevy/bevy_text", "bevy/bevy_render", "bevy/bevy_sprite"]

[dependencies]
bevy = { version = "0.15", default-features = false, features = ["x11"] }
# Note: need 'x11' or 'wayland' on Linux for winit to build
# Note: abuse 'bevy_color' to force 'bevy_math/curve' feature, which defines EaseFunction
bevy = { version = "0.15", default-features = false, features = ["x11", "bevy_color"] }

[dev-dependencies]
bevy-inspector-egui = "0.28"
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77 changes: 38 additions & 39 deletions README.md
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Expand Up @@ -151,13 +151,12 @@ The naming scheme for predefined lenses is `"<TargetName><FieldName>Lens"`, wher
| [`Sprite`](https://docs.rs/bevy/0.15.0/bevy/sprite/struct.Sprite.html) | [`color`](https://docs.rs/bevy/0.15.0/bevy/sprite/struct.Sprite.html#structfield.color) | [`SpriteColorLens`](https://docs.rs/bevy_tweening/latest/bevy_tweening/lens/struct.SpriteColorLens.html) | `bevy_sprite` |
| [`Node`](https://docs.rs/bevy/0.15.0/bevy/ui/struct.Node.html) | [`position`](https://docs.rs/bevy/0.15.0/bevy/ui/struct.Node.html) | [`UiPositionLens`](https://docs.rs/bevy_tweening/latest/bevy_tweening/lens/struct.UiPositionLens.html) | `bevy_ui` |
| [`BackgroundColor`](https://docs.rs/bevy/0.15.0/bevy/ui/struct.BackgroundColor.html)| | [`UiBackgroundColorLens`](https://docs.rs/bevy_tweening/latest/bevy_tweening/lens/struct.UiBackgroundColorLens.html) | `bevy_ui` |
| [`Text`](https://docs.rs/bevy/latest/bevy/text/index.html) | [`TextColor`](https://docs.rs/bevy/0.15.0/bevy/text/struct.TextColor.html) | [`TextColorLens`](https://docs.rs/bevy_tweening/latest/bevy_tweening/lens/struct.TextColorLens.html) | `bevy_text` |
| [`TextColor`](https://docs.rs/bevy/0.15.0/bevy/text/struct.TextColor.html) | | [`TextColorLens`](https://docs.rs/bevy_tweening/latest/bevy_tweening/lens/struct.TextColorLens.html) | `bevy_text` |

¹ Shortest-path interpolation between two rotations, using `Quat::slerp()`.
There are two ways to interpolate rotations. See the [comparison of rotation lenses](https://docs.rs/bevy_tweening/0.7.0/bevy_tweening/lens/index.html#rotations) for details:

² Angle-based interpolation, valid for rotations over ½ turn.

See the [comparison of rotation lenses](https://docs.rs/bevy_tweening/0.7.0/bevy_tweening/lens/index.html#rotations) for details.
- ¹ Shortest-path interpolation between two rotations, using `Quat::slerp()`.
- ² Angle-based interpolation, valid for rotations over ½ turn.

### Bevy Assets

Expand Down Expand Up @@ -283,74 +282,74 @@ cargo run --example sequence --features="bevy/bevy_winit"

## Ease Functions

Many [ease functions](https://docs.rs/bevy/latest/bevy/math/curve/enum.EaseFunction.html) are available:
Many [ease functions](https://docs.rs/bevy/0.15.0/bevy/math/curve/enum.EaseFunction.html) are available from `bevy_math`:

- Linear
> `f(t) = t`
> `f(t) = t`
- QuadraticIn
> `f(t) = t²`
> `f(t) = t²`
- QuadraticOut
> `f(t) = -(t * (t - 2.0))`
> `f(t) = -(t * (t - 2.0))`
- QuadraticInOut
> Behaves as `EaseFunction::QuadraticIn` for t < 0.5 and as `EaseFunction::QuadraticOut` for t >= 0.5
> Behaves as `EaseFunction::QuadraticIn` for t < 0.5 and as `EaseFunction::QuadraticOut` for t >= 0.5
- CubicIn
> `f(t) = t³`
> `f(t) = t³`
- CubicOut
> `f(t) = (t - 1.0)³ + 1.0`
> `f(t) = (t - 1.0)³ + 1.0`
- CubicInOut
> Behaves as `EaseFunction::CubicIn` for t < 0.5 and as `EaseFunction::CubicOut` for t >= 0.5
> Behaves as `EaseFunction::CubicIn` for t < 0.5 and as `EaseFunction::CubicOut` for t >= 0.5
- QuarticIn
> `f(t) = t⁴`
> `f(t) = t⁴`
- QuarticOut
> `f(t) = (t - 1.0)³ * (1.0 - t) + 1.0`
> `f(t) = (t - 1.0)³ * (1.0 - t) + 1.0`
- QuarticInOut
> Behaves as `EaseFunction::QuarticIn` for t < 0.5 and as `EaseFunction::QuarticOut` for t >= 0.5
> Behaves as `EaseFunction::QuarticIn` for t < 0.5 and as `EaseFunction::QuarticOut` for t >= 0.5
- QuinticIn
> `f(t) = t⁵`
> `f(t) = t⁵`
- QuinticOut
> `f(t) = (t - 1.0)⁵ + 1.0`
> `f(t) = (t - 1.0)⁵ + 1.0`
- QuinticInOut
> Behaves as `EaseFunction::QuinticIn` for t < 0.5 and as `EaseFunction::QuinticOut` for t >= 0.5
> Behaves as `EaseFunction::QuinticIn` for t < 0.5 and as `EaseFunction::QuinticOut` for t >= 0.5
- SineIn
> `f(t) = 1.0 - cos(t * π / 2.0)`
> `f(t) = 1.0 - cos(t * π / 2.0)`
- SineOut
> `f(t) = sin(t * π / 2.0)`
> `f(t) = sin(t * π / 2.0)`
- SineInOut
> Behaves as `EaseFunction::SineIn` for t < 0.5 and as `EaseFunction::SineOut` for t >= 0.5
> Behaves as `EaseFunction::SineIn` for t < 0.5 and as `EaseFunction::SineOut` for t >= 0.5
- CircularIn
> `f(t) = 1.0 - sqrt(1.0 - t²)`
> `f(t) = 1.0 - sqrt(1.0 - t²)`
- CircularOut
> `f(t) = sqrt((2.0 - t) * t)`
> `f(t) = sqrt((2.0 - t) * t)`
- CircularInOut
> Behaves as `EaseFunction::CircularIn` for t < 0.5 and as `EaseFunction::CircularOut` for t >= 0.5
> Behaves as `EaseFunction::CircularIn` for t < 0.5 and as `EaseFunction::CircularOut` for t >= 0.5
- ExponentialIn
> `f(t) = 2.0^(10.0 * (t - 1.0))`
> `f(t) = 2.0^(10.0 * (t - 1.0))`
- ExponentialOut
> `f(t) = 1.0 - 2.0^(-10.0 * t)`
> `f(t) = 1.0 - 2.0^(-10.0 * t)`
- ExponentialInOut
> Behaves as `EaseFunction::ExponentialIn` for t < 0.5 and as `EaseFunction::ExponentialOut` for t >= 0.5
> Behaves as `EaseFunction::ExponentialIn` for t < 0.5 and as `EaseFunction::ExponentialOut` for t >= 0.5
- ElasticIn
> `f(t) = -2.0^(10.0 * t - 10.0) * sin((t * 10.0 - 10.75) * 2.0 * π / 3.0)`
> `f(t) = -2.0^(10.0 * t - 10.0) * sin((t * 10.0 - 10.75) * 2.0 * π / 3.0)`
- ElasticOut
> `f(t) = 2.0^(-10.0 * t) * sin((t * 10.0 - 0.75) * 2.0 * π / 3.0) + 1.0`
> `f(t) = 2.0^(-10.0 * t) * sin((t * 10.0 - 0.75) * 2.0 * π / 3.0) + 1.0`
- ElasticInOut
> Behaves as `EaseFunction::ElasticIn` for t < 0.5 and as `EaseFunction::ElasticOut` for t >= 0.5
> Behaves as `EaseFunction::ElasticIn` for t < 0.5 and as `EaseFunction::ElasticOut` for t >= 0.5
- BackIn
> `f(t) = 2.70158 * t³ - 1.70158 * t²`
> `f(t) = 2.70158 * t³ - 1.70158 * t²`
- BackOut
> `f(t) = 1.0 + 2.70158 * (t - 1.0)³ - 1.70158 * (t - 1.0)²`
> `f(t) = 1.0 + 2.70158 * (t - 1.0)³ - 1.70158 * (t - 1.0)²`
- BackInOut
> Behaves as `EaseFunction::BackIn` for t < 0.5 and as `EaseFunction::BackOut` for t >= 0.5
> Behaves as `EaseFunction::BackIn` for t < 0.5 and as `EaseFunction::BackOut` for t >= 0.5
- BounceIn
> bouncy at the start!
> bouncy at the start!
- BounceOut
> bouncy at the end!
> bouncy at the end!
- BounceInOut
> Behaves as `EaseFunction::BounceIn` for t < 0.5 and as `EaseFunction::BounceOut` for t >= 0.5
> Behaves as `EaseFunction::BounceIn` for t < 0.5 and as `EaseFunction::BounceOut` for t >= 0.5
- Steps(usize)
> `n` steps connecting the start and the end
> `n` steps connecting the start and the end
- Elastic(f32)
> `f(omega,t) = 1 - (1 - t)²(2sin(omega * t) / omega + cos(omega * t))`, parametrized by omega
> `f(omega,t) = 1 - (1 - t)²(2sin(omega * t) / omega + cos(omega * t))`, parametrized by omega

## Compatible Bevy versions

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