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UITransform translation lens #162

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Merged
djeedai merged 1 commit into from
Jan 31, 2026
Merged

UITransform translation lens #162

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21 changes: 21 additions & 0 deletions src/lens.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -452,6 +452,27 @@ impl Lens<UiTransform> for UiTransformRotationLens {
}
}

/// A lens to manipulate the [`translation`] field of a [`UiTransform`] component.
///
/// [`translation`]: https://docs.rs/bevy/0.17/bevy/ui/ui_transform/struct.UiTransform.html#structfield.translation
/// [`UiTransform`]: https://docs.rs/bevy/0.17/bevy/ui/ui_transform/struct.UiTransform.html
#[cfg(feature = "bevy_ui")]
#[derive(Debug, Copy, Clone, PartialEq)]
pub struct UiTransformTranslationPxLens {
/// Start value of the translation.
pub start: Vec2,
/// End value of the translation.
pub end: Vec2,
}

#[cfg(feature = "bevy_ui")]
impl Lens<UiTransform> for UiTransformTranslationPxLens {
fn lerp(&mut self, mut target: Mut<UiTransform>, ratio: f32) {
let p = self.start.lerp(self.end, ratio);
target.translation = Val2::px(p.x, p.y);
}
}

/// Gamer
#[cfg(feature = "bevy_ui")]
#[derive(Debug, Copy, Clone, PartialEq)]
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