From 2807d1d166a7088d1e678a9c813eccbd0f2bd30e Mon Sep 17 00:00:00 2001
From: rdb <git@rdb.name>
Date: Wed, 13 Feb 2019 15:42:20 +0100
Subject: [PATCH] samples: fix read from negative GeomVertexData row in
 fractal-plants

---
 samples/fractal-plants/main.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/samples/fractal-plants/main.py b/samples/fractal-plants/main.py
index fb16a5b1bc..7c0492af85 100755
--- a/samples/fractal-plants/main.py
+++ b/samples/fractal-plants/main.py
@@ -141,11 +141,14 @@ def drawBody(nodePath, vdata, pos, vecList, radius=1, keepDrawing=True, numVerti
         drawReWriter.addData1f(keepDrawing)
         currAngle += angleSlice
 
+    if startRow == 0:
+        return
+
     drawReader = GeomVertexReader(vdata, "drawFlag")
     drawReader.setRow(startRow - numVertices)
 
     # we cant draw quads directly so we use Tristrips
-    if (startRow != 0) & (drawReader.getData1f() != False):
+    if drawReader.getData1i() != 0:
         lines = GeomTristrips(Geom.UHStatic)
         half = int(numVertices * 0.5)
         for i in range(numVertices):