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/*
* Copyright 2011-2013 Blender Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License
*/
#include "stdosl.h"
shader node_vector_math(
string type = "Add",
vector Vector1 = vector(0.0, 0.0, 0.0),
vector Vector2 = vector(0.0, 0.0, 0.0),
output float Value = 0.0,
output vector Vector = vector(0.0, 0.0, 0.0))
{
if (type == "Add") {
Vector = Vector1 + Vector2;
Value = (abs(Vector[0]) + abs(Vector[1]) + abs(Vector[2])) / 3.0;
}
else if (type == "Subtract") {
Vector = Vector1 - Vector2;
Value = (abs(Vector[0]) + abs(Vector[1]) + abs(Vector[2])) / 3.0;
}
else if (type == "Average") {
Value = length(Vector1 + Vector2);
Vector = normalize(Vector1 + Vector2);
}
else if (type == "Dot Product") {
Value = dot(Vector1, Vector2);
}
else if (type == "Cross Product") {
vector c = cross(Vector1, Vector2);
Value = length(c);
Vector = normalize(c);
}
else if (type == "Normalize") {
Value = length(Vector1);
Vector = normalize(Vector1);
}
}
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