1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
/*
* Copyright 2011-2015 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 "stdcycles.h"
shader node_voxel_texture(string filename = "",
string interpolation = "linear",
int use_mapping = 0,
matrix mapping = matrix(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0),
point Vector = P,
output float Density = 0,
output color Color = 0)
{
point p = Vector;
if (use_mapping) {
p = transform(mapping, p);
}
else {
p = transform("object", Vector);
matrix tfm;
if (getattribute("geom:generated_transform", tfm))
p = transform(tfm, p);
}
if (p[0] < 0.0 || p[1] < 0.0 || p[2] < 0.0 || p[0] > 1.0 || p[1] > 1.0 || p[2] > 1.0) {
Density = 0;
Color = color(0, 0, 0);
}
else {
Color = (color)texture3d(
filename, p, "wrap", "periodic", "interp", interpolation, "alpha", Density);
}
}
|
