Small tweak to grav demo.

1 files changed, 3 insertions, 1 deletions

diff --git a/xd.c b/xd.c
index ed6b6a9..e17461f 100644
--- a/xd.c
+++ b/xd.c
@@ -4083,7 +4083,7 @@ static void GravityDemo(void)
     	gravobj[0].y = mouse_y;
     }
 
-    for(f = 1; f < GRAV_OBJ; f++)
+    for(f = 0; f < GRAV_OBJ; f++)
     {
 	if (gravobj[f].alive)
 	{
@@ -4112,6 +4112,8 @@ static void GravityDemo(void)
 		    dx /= d;
 		    dy /= d;
 
+		    g /= gravobj[f].mass;
+
 		    dx *= g;
 		    dy *= g;