A small library to efficiently render and define implicit shapes, described as CSGs of signed distance fields using. Python bindings included!
This is the text file that defines the shape in the example. It can be found in data/test.csg.
# Syntax:
# <node-name> = <add/remove> <softness> <primitive> <parameters...>
# <node-name> += <add/remove> <softness> <other-node-name>
head = sphere 0.0 0.0 -0.1 0.4
orbits = sphere 0.2 0.2 0.25 0.1
orbits += sphere -0.2 0.2 0.25 0.1
head -= 0.7 0.05 orbits
eyes = sphere 0.16 0.16 0.18 0.03
eyes += sphere -0.16 0.16 0.18 0.03
head += eyes
nose = sphere 0.0 0.0 0.3 0.1
head += 1.0 0.05 nose
mouth = sphere -0.1 -0.2 0.25 0.05
mouth += 1.0 0.05 sphere 0.0 -0.2 0.25 0.05
mouth += 1.0 0.05 sphere 0.1 -0.2 0.25 0.05
head -= mouthAnd this is the visualization of the generated CSG, compactly stored under-the-hood to provide fast evaluation and rendering.
The CSG parser, evaluator and renderer can be directly called from python, with no performance loss over the C++ implementation.
from pycsg import *
csg = load_csg("data/test.csg")
render(csg)If you have Ninja installed.
python3 scripts/build.py releaseOtherwise
mkdir build
cd build
cmake ..
make
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