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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 "node_ramp_util.h"
#include "stdcycles.h"
shader node_vector_curves(color ramp[] = {0.0},
float min_x = 0.0,
float max_x = 1.0,
vector VectorIn = vector(0.0, 0.0, 0.0),
float Fac = 0.0,
output vector VectorOut = vector(0.0, 0.0, 0.0))
{
vector c = (VectorIn - vector(min_x, min_x, min_x)) / (max_x - min_x);
color r = rgb_ramp_lookup(ramp, c[0], 1, 1);
color g = rgb_ramp_lookup(ramp, c[0], 1, 1);
color b = rgb_ramp_lookup(ramp, c[0], 1, 1);
VectorOut[0] = r[0];
VectorOut[1] = g[1];
VectorOut[2] = b[2];
VectorOut = mix(VectorIn, VectorOut, Fac);
}
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