From b4b5bd0ccbf5a7754c2a7e67ab8520867608523e Mon Sep 17 00:00:00 2001
From: awesomeuser <awesomeuser@noreply.localhost>
Date: Fri, 4 Aug 2023 17:57:12 +0000
Subject: [PATCH] Update index.php

---
 index.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/index.php b/index.php
index b7dd9de..efdae73 100644
--- a/index.php
+++ b/index.php
@@ -101,8 +101,8 @@
                 const ctx = canvas.getContext("2d");
 
                 const copy = ctx.createImageData(128, 64);
-                for (let i = 0; i < pen.data.length; i++) {
-                    copy.data[(i*4)+3] = 255;
+                for (let i = 0; i < pen.data.length; i += 4) {
+                    copy.data[i+3] = 255;
                 }
 
                 ctx.putImageData(copy, 0, 0);