54 lines
1.6 KiB
Plaintext
54 lines
1.6 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_vector_math(
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string type = "Add",
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vector Vector1 = vector(0.0, 0.0, 0.0),
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vector Vector2 = vector(0.0, 0.0, 0.0),
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output float Value = 0.0,
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output vector Vector = vector(0.0, 0.0, 0.0))
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{
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if (type == "Add") {
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Vector = Vector1 + Vector2;
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Value = (abs(Vector[0]) + abs(Vector[1]) + abs(Vector[2])) / 3.0;
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}
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else if (type == "Subtract") {
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Vector = Vector1 - Vector2;
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Value = (abs(Vector[0]) + abs(Vector[1]) + abs(Vector[2])) / 3.0;
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}
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else if (type == "Average") {
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Value = length(Vector1 + Vector2);
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Vector = normalize(Vector1 + Vector2);
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}
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else if (type == "Dot Product") {
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Value = dot(Vector1, Vector2);
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}
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else if (type == "Cross Product") {
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vector c = cross(Vector1, Vector2);
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Value = length(c);
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Vector = normalize(c);
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}
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else if (type == "Normalize") {
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Value = length(Vector1);
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Vector = normalize(Vector1);
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}
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}
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