src/scaleable.rs


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use crate::math::Vec2;

/// Trait representing something that covers an area and that can be resized accordingly.
pub trait Scaleable {
    /// Scale the object by the specified amount in horizontal and vertical direction (right and
    /// downwards).
    ///
    /// # Panics
    /// If at least one of the dimensions is zero or less, the object cannot be scaled and panics.
    fn scale(&mut self, by: &Vec2<f64>);
}