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samples: fix read from negative GeomVertexData row in fractal-plants

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rdb 2019-02-13 15:42:20 +01:00
parent 55ac585745
commit 2807d1d166
1 changed files with 4 additions and 1 deletions
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5
samples/fractal-plants/main.py
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@ -141,11 +141,14 @@ def drawBody(nodePath, vdata, pos, vecList, radius=1, keepDrawing=True, numVerti
drawReWriter.addData1f(keepDrawing) drawReWriter.addData1f(keepDrawing)
currAngle += angleSlice currAngle += angleSlice
if startRow == 0:
return
drawReader = GeomVertexReader(vdata, "drawFlag") drawReader = GeomVertexReader(vdata, "drawFlag")
drawReader.setRow(startRow - numVertices) drawReader.setRow(startRow - numVertices)
# we cant draw quads directly so we use Tristrips # we cant draw quads directly so we use Tristrips
if (startRow != 0) & (drawReader.getData1f() != False): if drawReader.getData1i() != 0:
lines = GeomTristrips(Geom.UHStatic) lines = GeomTristrips(Geom.UHStatic)
half = int(numVertices * 0.5) half = int(numVertices * 0.5)
for i in range(numVertices): for i in range(numVertices):