X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=hacks%2Fflow.c;h=607994d0387b1494e8de74aee346fc5906640367;hb=6cee540bdbb571485cd5e519f89f389faebd0495;hp=b5fdfcc4d858361e06967e7ab205c37bcdf50627;hpb=93f25dc6827112d98b8b855ea85c8f5eb8123086;p=xscreensaver

diff --git a/hacks/flow.c b/hacks/flow.c
index b5fdfcc4..607994d0 100644
--- a/hacks/flow.c
+++ b/hacks/flow.c
@@ -113,7 +113,7 @@ typedef enum {
 	FLOW_2D = 8,     /* Allow 2D attractors */
 	FLOW_BOX = 16,    /* Compute a box around the attractor */
 	FLOW_SLOW = 32,   /* Some bees are slower (and have antifreeze) */
-	FLOW_FREEZE = 64, /* Freeze some of the bees in action */
+	FLOW_FREEZE = 64  /* Freeze some of the bees in action */
 } FlowMode;
 
 #define FLOW_DEFAULT (FLOW_ROTATE|FLOW_RIDE|FLOW_ZOOM|FLOW_2D|\
@@ -807,7 +807,8 @@ draw_flow(ModeInfo * mi)
 					double A=0;
 					for(i=0; i<3; i++) A+=C[j][i]*C[j][i]; /* sum squares */
 					A=sqrt(A);
-					for(i=0; i<3; i++) C[j][i]/=A;
+                    if (A != 0) /* #### is this right? */
+                      for(i=0; i<3; i++) C[j][i]/=A;
 				}
 
 				/* Interpolate between Center and Trained Bee matrices */