Add dimensional indicator with scaling

1 files changed, 8 insertions, 0 deletions

diff --git a/src/transformable.rs b/src/transformable.rs
new file mode 100644
index 0000000..c181bd6
--- /dev/null
+++ b/src/transformable.rs
@@ -0,0 +1,8 @@
+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>);
+}