showbase: Fix regression with BufferViewer in double prec build
Regression was introduced in 98314da00f
Use explicitly Vec3F in calls to addData3f to avoid crash on double precision builds
Closes #1365
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@ -240,10 +240,10 @@ class BufferViewer(DirectObject):
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offsetx = (ringoffset[ring]*2.0) / float(sizex)
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offsety = (ringoffset[ring]*2.0) / float(sizey)
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bright = ringbright[ring]
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vwriter.addData3f(Vec3.rfu(-1 - offsetx, 0, -1 - offsety))
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vwriter.addData3f(Vec3.rfu( 1 + offsetx, 0, -1 - offsety))
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vwriter.addData3f(Vec3.rfu( 1 + offsetx, 0, 1 + offsety))
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vwriter.addData3f(Vec3.rfu(-1 - offsetx, 0, 1 + offsety))
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vwriter.addData3f(Vec3F.rfu(-1 - offsetx, 0, -1 - offsety))
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vwriter.addData3f(Vec3F.rfu( 1 + offsetx, 0, -1 - offsety))
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vwriter.addData3f(Vec3F.rfu( 1 + offsetx, 0, 1 + offsety))
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vwriter.addData3f(Vec3F.rfu(-1 - offsetx, 0, 1 + offsety))
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cwriter.addData3f(bright, bright, bright)
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cwriter.addData3f(bright, bright, bright)
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cwriter.addData3f(bright, bright, bright)
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