From 558febabc3d25e2b66ed70ea764c5a43ca22c7a7 Mon Sep 17 00:00:00 2001
From: Quaternions <krakow20@gmail.com>
Date: Thu, 26 Oct 2023 16:43:58 -0700
Subject: [PATCH] face_normal

---
 src/model_physics.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/model_physics.rs b/src/model_physics.rs
index 9de1c02..fb8791f 100644
--- a/src/model_physics.rs
+++ b/src/model_physics.rs
@@ -36,6 +36,10 @@ pub struct PhysicsMesh{
 	vert_topology:Vec<VertRefs>,
 }
 impl PhysicsMesh{
+	pub fn face_normal(&self,face_id:FaceId)->Planar64Vec3{
+		self.faces[face_id.0].normal
+	}
+	//ideally I never calculate the vertex position, but I have to for the graphical meshes...
 	pub fn face_edges(&self,face_id:FaceId)->&Vec<EdgeId>{
 		&self.face_topology[face_id.0].edges
 	}