forked from bartvdbraak/blender
52 lines
1.5 KiB
Plaintext
52 lines
1.5 KiB
Plaintext
/*
|
|
* 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);
|
|
}
|
|
}
|
|
|