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.
56 lines
1.5 KiB
Plaintext
56 lines
1.5 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_texture.h"
|
|
|
|
/* Voronoi */
|
|
|
|
shader node_voronoi_texture(
|
|
int use_mapping = 0,
|
|
matrix mapping = matrix(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0),
|
|
string Coloring = "Intensity",
|
|
float Scale = 5.0,
|
|
point Vector = P,
|
|
output float Fac = 0.0,
|
|
output color Color = 0.0)
|
|
{
|
|
point p = Vector;
|
|
|
|
if (use_mapping)
|
|
p = transform(mapping, p);
|
|
|
|
/* compute distance and point coordinate of 4 nearest neighbours */
|
|
float da[4];
|
|
point pa[4];
|
|
|
|
voronoi(p * Scale, "Distance Squared", 1.0, da, pa);
|
|
|
|
/* Colored output */
|
|
if (Coloring == "Intensity") {
|
|
Fac = fabs(da[0]);
|
|
Color = color(Fac);
|
|
}
|
|
else {
|
|
Color = cellnoise_color(pa[0]);
|
|
Fac = (Color[0] + Color[1] + Color[2]) * (1.0 / 3.0);
|
|
|
|
}
|
|
}
|
|
|