forked from bartvdbraak/blender
188718a3d5
* Simplify default color values, where each component was the same. * Initialize closures as Null Closure, rather than assigning an existing closure, gets overwritten anyways.
43 lines
1.2 KiB
Plaintext
43 lines
1.2 KiB
Plaintext
/*
|
|
* Copyright 2011, Blender Foundation.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#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] += Hue + 0.5;
|
|
Color[0] = fmod(Color[0], 1.0);
|
|
Color[1] *= Saturation;
|
|
Color[2] *= Value;
|
|
|
|
Color = hsv_to_rgb(Color);
|
|
|
|
ColorOut = mix(ColorIn, Color, Fac);
|
|
}
|
|
|