From 567742186bcb152e2c35081a4f5e2d6d50d9d8d4 Mon Sep 17 00:00:00 2001
From: Ananth Venkatesh <dev.quantum9innovation@gmail.com>
Date: Sun, 9 Feb 2025 00:54:29 -0500
Subject: [PATCH] fix(perf): canonicalize angle in 3d rotations

---
 src/Main.elm | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/Main.elm b/src/Main.elm
index eb46284..d3bd06b 100644
--- a/src/Main.elm
+++ b/src/Main.elm
@@ -98,6 +98,16 @@ type Msg
     | Copy String
 
 
+modulo : Float -> Float -> Float
+modulo a b =
+    b - toFloat (floor (b / a)) * a
+
+
+canonicalize : Float -> Float
+canonicalize angle =
+    modulo 360 angle
+
+
 update : Msg -> Model -> ( Model, Cmd Msg )
 update msg model =
     let
@@ -134,7 +144,7 @@ update msg model =
                         }
 
         Rotate time ->
-            wrap { model | angle = model.angle + 2 * (2 + sin (toFloat (Time.posixToMillis time) / 1000)) }
+            wrap { model | angle = canonicalize (model.angle + 2 * (2 + sin (toFloat (Time.posixToMillis time) / 1000))) }
 
         Copy text ->
             ( model, copyToClipboard text )