From 0a9d6adca47eae3b2c06c958a69352adeda4daca Mon Sep 17 00:00:00 2001
From: FacialTurd <simon@hardwired.org.uk>
Date: Mon, 27 Sep 2010 12:34:04 -0700
Subject: Makes insulator block electrodes


diff --git a/src/powder.c b/src/powder.c
index 5400b7b..15a2afe 100644
--- a/src/powder.c
+++ b/src/powder.c
@@ -447,6 +447,7 @@ _inline int parts_avg(int ci, int ni)
     }
 }
 
+
 int nearest_part(int ci, int t)
 {
     int distance = sqrt(pow(XRES, 2)+pow(YRES, 2));
@@ -705,7 +706,7 @@ void update_particles_i(pixel *vid, int start, int inc)
             if(t==PT_SPRK&&parts[i].ctype==PT_ETRD&&parts[i].life==1)
             {
                 nearp = nearest_part(i, PT_ETRD);
-                if(nearp!=-1)
+                if(nearp!=-1&&parts_avg(i, nearp)!=PT_INSL)
                 {
                     create_line((int)parts[i].x, (int)parts[i].y, (int)parts[nearp].x, (int)parts[nearp].y, 0, PT_PLSM);
                     t = parts[i].type = PT_ETRD;
--
cgit v0.9.2-21-gd62e