forked from bartvdbraak/blender
60 lines
1.4 KiB
Plaintext
60 lines
1.4 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_texture.h"
|
|
|
|
/* Wave */
|
|
|
|
float wave(point p, string type, float detail, float distortion, float dscale)
|
|
{
|
|
float n = 0.0;
|
|
|
|
if (type == "Bands") {
|
|
n = (p[0] + p[1] + p[2]) * 10.0;
|
|
}
|
|
else if (type == "Rings") {
|
|
n = length(p) * 20.0;
|
|
}
|
|
|
|
if (distortion != 0.0) {
|
|
n = n + (distortion * noise_turbulence(p * dscale, "Perlin", detail, 0));
|
|
}
|
|
return 0.5 + 0.5 * sin(n);
|
|
}
|
|
|
|
shader node_wave_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 Type = "Bands",
|
|
float Scale = 5.0,
|
|
float Distortion = 0.0,
|
|
float Detail = 2.0,
|
|
float DetailScale = 1.0,
|
|
point Vector = P,
|
|
output float Fac = 0.0,
|
|
output color Color = 0.0)
|
|
{
|
|
point p = Vector;
|
|
|
|
if (use_mapping)
|
|
p = transform(mapping, p);
|
|
|
|
Fac = wave(p * Scale, Type, Detail, Distortion, DetailScale);
|
|
Color = Fac;
|
|
}
|
|
|