52 lines
1.5 KiB
Plaintext
52 lines
1.5 KiB
Plaintext
/*
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* Copyright 2011-2013 Blender Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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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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