From 15bbf02a92688dfe38b892d327fb54cf051a0808 Mon Sep 17 00:00:00 2001
From: Bad Diode <bd@badd10de.dev>
Date: Thu, 15 Apr 2021 13:47:08 +0200
Subject: Update some comments

---
 src/main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/main.c b/src/main.c
index 06fe7d9..c179dc4 100644
--- a/src/main.c
+++ b/src/main.c
@@ -100,7 +100,7 @@ draw_line(int x0, int y0, int x1, int y1, Color clr) {
     int x = x0;
     int y = y0;
 
-    // Normalize the drawing direction to always draw from (x0, y0)->(x1, y1)
+    // Adjust the step direction and calculate deltas.
     int x_step = 1;
     int y_step = 1;
     int dx = x1 - x0;
@@ -114,7 +114,7 @@ draw_line(int x0, int y0, int x1, int y1, Color clr) {
         dy = y0 - y1;
     }
 
-    // Precalculate line deltas.
+    // Precalculate 2 * deltas for x and y.
     int ddx = dx + dx;
     int ddy = dy + dy;
 
-- 
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