From 9a6025dad340b304f1193e9272260039f21ddc1c Mon Sep 17 00:00:00 2001
From: Smitty <me@smitop.com>
Date: Tue, 28 Sep 2021 07:34:17 -0400
Subject: [PATCH] Add a maximum zoom amount

---
 public/script.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/public/script.js b/public/script.js
index 7502c28..37a4f21 100644
--- a/public/script.js
+++ b/public/script.js
@@ -39,6 +39,7 @@ if (window.matchMedia) {
 }
 
 const MIN_SCALE = 10; // can't scale lower than this
+const MAX_SCALE = 500; // can't scale higher than this
 const ARROW_LEN = 0.1; // how far back arrows go
 const LINE_WIDTH = 0.04;
 const ARROW_ANGLE_DIV = 6; // arrow angle
@@ -352,6 +353,8 @@ window.addEventListener("wheel", e => {
     const delta = e.deltaY / -speed;
     if ((state.scale + delta) < MIN_SCALE) {
         state.scale = MIN_SCALE;
+    } else if ((state.scale + delta) > MAX_SCALE) {
+        state.scale = MAX_SCALE;
     } else {
         state.scale += delta;
     }
-- 
2.45.2