From 7474b542d66886d186f436390d27144d4212af5e Mon Sep 17 00:00:00 2001
From: Charles Taylor <charlestaylor95@gmail.com>
Date: Fri, 3 May 2024 16:27:28 -0400
Subject: [PATCH] Works

---
 src/webgl.rs | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/src/webgl.rs b/src/webgl.rs
index 270ae0c..87d2851 100644
--- a/src/webgl.rs
+++ b/src/webgl.rs
@@ -377,6 +377,16 @@ impl From<Facet> for Piece {
     }
   }
 }
+impl Piece {
+  fn transform(&mut self, matrix: &Mat4) {
+    let mut temp = [0.; 3];
+    vec3::transform_mat4(&mut temp, &self.normal, matrix);
+    self.normal = temp;
+    for facet in self.facets.iter_mut() {
+      facet.transform(matrix);
+    }
+  }
+}
 
 #[allow(dead_code)]
 #[derive(Debug)]
@@ -410,10 +420,8 @@ impl State {
       let normal = twist.to_normal();
       let twist = twist.to_matrix(2. * PI / 3.);
       for piece in self.pieces.iter_mut() {
-        for facet in piece.facets.iter_mut() {
-          if vec3::dot(&normal, &piece.normal) > 0. {
-            facet.transform(&twist);
-          }
+        if vec3::dot(&normal, &piece.normal) > 0. {
+          piece.transform(&twist)
         }
       }
     }