forked from bartvdbraak/blender
3c8ab559a5
reviewed by Brecht, with help from Lukas. Note: dot is reversed compared to Blender. In Blender Normals point outside, while in Cycles they point inside. If you use your own custom vector with the Normal Node you will see a difference. If you feed it with object normals it should work just as good.
32 lines
1.0 KiB
Plaintext
32 lines
1.0 KiB
Plaintext
/*
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* Copyright 2011, Blender Foundation.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "stdosl.h"
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shader node_normal(
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normal Direction = normal(0.0, 0.0, 0.0),
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normal NormalIn = normal(0.0, 0.0, 0.0),
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output normal NormalOut = normal(0.0, 0.0, 0.0),
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output float Dot = 1.0
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{
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Direction = normalize(Direction);
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NormalOut = Direction;
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Dot = dot(Direction, NormalIn);
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}
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