From 459c96616afa9707d75e6e916ae3f7531b78e162 Mon Sep 17 00:00:00 2001
From: Nova <technobaboo@gmail.com>
Date: Fri, 10 Jun 2022 20:17:14 -0400
Subject: [PATCH] feat(spatial): space to space matrix function for relativity

---
 src/nodes/spatial.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/nodes/spatial.rs b/src/nodes/spatial.rs
index 1c72a2e..38e6133 100644
--- a/src/nodes/spatial.rs
+++ b/src/nodes/spatial.rs
@@ -77,7 +77,11 @@ impl<'a> Spatial<'a> {
 		todo!()
 	}
 
-	// pub fn relative_transform(&self, space: WeakCell<Spatial>) {}
+	pub fn space_to_space_matrix(from: &Spatial, to: &Spatial) -> Mat4 {
+		let space_to_world_matrix = from.global_transform();
+		let world_to_space_matrix = to.global_transform().inverse();
+		world_to_space_matrix * space_to_world_matrix
+	}
 }
 
 pub fn create_interface(client: Rc<Client>) {