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-rw-r--r--src/powder.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/powder.c b/src/powder.c
index e8e3873..6b25eb4 100644
--- a/src/powder.c
+++ b/src/powder.c
@@ -34,7 +34,9 @@ static int pn_junction_sprk(int x, int y, int pt)
r >>= 8;
if(parts[r].type != pt)
return 0;
-
+ if(parts[r].life != 0)
+ return 0;
+
parts[r].ctype = pt;
parts[r].type = PT_SPRK;
parts[r].life = 4;