From d3948e96b0560aaff3433fd387f85062e737a8bb Mon Sep 17 00:00:00 2001
From: Sam Anthony <sam@samanthony.xyz>
Date: Mon, 30 Sep 2024 16:26:41 -0400
Subject: acceleration independent of mass

---
 balls.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/balls.c b/balls.c
index 1b17304..f156aab 100644
--- a/balls.c
+++ b/balls.c
@@ -6,7 +6,8 @@
 
 #define NELEMS(arr) (sizeof(arr) / sizeof(arr[0]))
 
-#define G 9.81
+#define G_FACTOR 15.0
+#define G (9.81/G_FACTOR)
 
 enum {
 	BG = DWhite,
@@ -306,7 +307,7 @@ ball(void *arg) {
 
 	oldpos = b.p;
 	for (;;) {
-		b.v.y += b.m * G;
+		b.v.y += G;
 
 		b.p = ptaddv(b.p, b.v);
 
-- 
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