Files
blender/intern/cycles/kernel/shaders/node_white_noise_texture.osl
OmarSquircleArt 133dfdd704 Shading: Add White Noise node.
The White Noise node hashes the input and returns a random number in the
range [0, 1]. The input can be a 1D, 2D, 3D, or a 4D vector.

Reviewers: brecht, JacquesLucke

Differential Revision: https://developer.blender.org/D5550
2019-08-21 20:04:09 +02:00

40 lines
1.2 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"
shader node_white_noise_texture(string dimensions = "3D",
point Vector = point(0.0, 0.0, 0.0),
float W = 0.0,
output float Value = 0.0)
{
if (dimensions == "1D") {
Value = noise("hash", W);
}
else if (dimensions == "2D") {
Value = noise("hash", Vector[0], Vector[1]);
}
else if (dimensions == "3D") {
Value = noise("hash", Vector);
}
else if (dimensions == "4D") {
Value = noise("hash", Vector, W);
}
else {
warning("%s", "Unknown dimension!");
}
}