.. image:: https://codeberg.org/screwery/blendnoise/raw/branch/master/image.png
:alt: Image
Description
-----------
.. image:: https://img.shields.io/pypi/v/blendnoise?style=flat-square
:alt: PyPI - Version
.. image:: https://img.shields.io/pypi/pyversions/blendnoise?style=flat-square
:alt: PyPI - Python Version
.. image:: https://img.shields.io/pypi/status/blendnoise?style=flat-square
:alt: PyPI - Status
.. image:: https://img.shields.io/pypi/dm/blendnoise?style=flat-square
:alt: PyPI - Downloads
.. image:: https://img.shields.io/pypi/l/blendnoise?style=flat-square
:alt: PyPI - License
.. image:: https://img.shields.io/gitea/issues/open/screwery/blendnoise?gitea_url=https%3A%2F%2Fcodeberg.org&style=flat-square
:alt: Gitea Issues
.. image:: https://img.shields.io/gitea/last-commit/screwery/blendnoise?gitea_url=https%3A%2F%2Fcodeberg.org&style=flat-square
:alt: Gitea Last Commit
**blendnoise** is a Python wrapper for C-translated Blender noise functions described at `BLI_noise <https://projects.blender.org/blender/blender/src/commit/9cade06f5f62c9764c087b54345b7ca120656f09/source/blender/blenlib/BLI_noise.h>`_ module. It is distributed under the same conditions as Blender source code.
**WARNING:** The maintainer of this package is not connected in any way with Blender authors and/or developers.
Installation
------------
From PyPI
~~~~~~~~~
.. code:: bash
python3 -m pip install blendnoise
From sources
~~~~~~~~~~~~
.. code:: bash
python3 -m pip install build
git clone https://codeberg.org/screwery/blendnoise
cd blendnoise
python3 -m build
python3 -m pip install dist/*
You may need to install C compiler or that stuff.
Usage
-----
I’m not much of a Python C-extension coder, so all functions are C-styled and embarrasingly straightforward.
More info about those functions and arguments you can find at `official Blender docs <https://docs.blender.org/api/4.2/mathutils.noise.html>`_
or from `Blender sources <https://projects.blender.org/blender/blender/src/commit/9cade06f5f62c9764c087b54345b7ca120656f09/source/blender/blenlib/BLI_noise.h>`_
itself.
Also, you may find useful a fair Matplotlib `visualization script <https://codeberg.org/screwery/blendnoise/src/branch/master/visualization_example.py>`_.
.. code:: python3
import blendnoise
# use those ints for noisebasis
NOISEBASIS = {
'OriginalPerlin': 1,
'NewPerlin': 2,
'VoronoiF1': 3,
'VoronoiF2': 4,
'VoronoiF3': 5,
'VoronoiF4': 6,
'VoronoiF1F2': 7,
'VoronoiCracked': 8,
'Cell': 14,
'Blender': 0
}
# Generic noise: just noisebasis, nothing more
blendnoise.noise (x: float, y: float, z: float, hard: bool, noisebasis: int)
# Generic turbulence
blendnoise.turbulence (x: float, y: float, z: float, oct: int, hard: bool,
noisebasis: int)
# Fractal Brownian Movement (FBM)
blendnoise.fbm (x: float, y: float, z: float, H: float, lacunarity: float,
octaves: float, noisebasis: int)
# Multi Fractal
blendnoise.multi_fractal (x: float, y: float, z: float, H: float,
lacunarity: float, octaves: float, noisebasis: int)
# Heterogeneous Terrain
blendnoise.hetero_terrain (x: float, y: float, z: float, H: float,
lacunarity: float, octaves: float, offset: float,
noisebasis: int)
# Hybrid Multi Fractal
blendnoise.hybrid_multi_fractal (x: float, y: float, z: float, H: float,
lacunarity: float, octaves: float,
offset: float, gain: float, noisebasis: int)
# Ridged Multi Fractal
blendnoise.ridged_multi_fractal (x: float, y: float, z: float, H: float,
lacunarity: float, octaves: float, offset:
float, gain: float, noisebasis: int)
# Variable Lacunarity: combined noise bases
blendnoise.variable_lacunarity (x: float, y: float, z: float, distortion: float,
noisebasis1: int, noisebasis2: int)
Bugs
----
Feel free to report bugs and request features `here <https://codeberg.org/screwery/blendnoise/issues>`_.
Raw data
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