e12c08e8d1
Apply clang format as proposed in T53211. For details on usage and instructions for migrating branches without conflicts, see: https://wiki.blender.org/wiki/Tools/ClangFormat
43 lines
1.3 KiB
Plaintext
43 lines
1.3 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"
|
|
#include "node_color.h"
|
|
|
|
shader node_hsv(float Hue = 0.5,
|
|
float Saturation = 1.0,
|
|
float Value = 1.0,
|
|
float Fac = 0.5,
|
|
color ColorIn = 0.0,
|
|
output color ColorOut = 0.0)
|
|
{
|
|
color Color = rgb_to_hsv(ColorIn);
|
|
|
|
// remember: fmod doesn't work for negative numbers
|
|
Color[0] = fmod(Color[0] + Hue + 0.5, 1.0);
|
|
Color[1] = clamp(Color[1] * Saturation, 0.0, 1.0);
|
|
Color[2] *= Value;
|
|
|
|
Color = hsv_to_rgb(Color);
|
|
|
|
// Clamp color to prevent negative values cauzed by oversaturation.
|
|
Color[0] = max(Color[0], 0.0);
|
|
Color[1] = max(Color[1], 0.0);
|
|
Color[2] = max(Color[2], 0.0);
|
|
|
|
ColorOut = mix(ColorIn, Color, Fac);
|
|
}
|