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/*
* 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"
/* Magic */
color magic(point p, int n, float turbulence)
{
float turb = turbulence/5.0;
float x = sin((p[0] + p[1] + p[2])*5.0);
float y = cos((-p[0] + p[1] - p[2])*5.0);
float z = -cos((-p[0] - p[1] + p[2])*5.0);
if(n > 0) {
x *= turb;
y *= turb;
z *= turb;
y = -cos(x-y+z);
y *= turb;
if(n > 1) {
x= cos(x-y-z);
x *= turb;
if(n > 2) {
z= sin(-x-y-z);
z *= turb;
if(n > 3) {
x= -cos(-x+y-z);
x *= turb;
if(n > 4) {
y= -sin(-x+y+z);
y *= turb;
if(n > 5) {
y= -cos(-x+y+z);
y *= turb;
if(n > 6) {
x= cos(x+y+z);
x *= turb;
if(n > 7) {
z= sin(x+y-z);
z *= turb;
if(n > 8) {
x= -cos(-x-y+z);
x *= turb;
if(n > 9) {
y= -sin(x-y+z);
y *= turb;
}
}
}
}
}
}
}
}
}
}
if(turb != 0.0) {
turb *= 2.0;
x /= turb;
y /= turb;
z /= turb;
}
return color(0.5 - x, 0.5 - y, 0.5 - z);
}
shader node_magic_texture(
int Depth = 2,
float Turbulence = 5.0,
point Vector = P,
output color Color = color(0.0, 0.0, 0.0))
{
Color = magic(Vector, Depth, Turbulence);
}
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