src/transformable.rs


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use nalgebra::Matrix3;

/// Trait for things that can be stretched and rotated etc. as one pleases without
/// becoming invalid. A room for instance would fall into this category, while an icon might not.
pub trait NonRigidTransformable {
    /// Applies the provided matrix to all vertices of this transformable element.
    fn apply_matrix(&mut self, matrix: &Matrix3<f64>);
}