GImpact-Python
An unofficial python extension for the GImpact collision library. This extension integrates directly with GImpact's C++ API using Cython.
Features
- Create trimesh object from numpy array
- Mesh decimation using Sven Forstmann's C++ mesh simplification code
- Axis Aligned Bounding Box (AABB)
- AABB set for box prunning
- Collision of triangle mesh with the following
- triangle mesh
- sphere
- capsule
- plane
- ray
- Supports "first contact" or "all contacts" modes
Build Wheel
pip install -q build
python -m build
Installation
Build requires numpy and cython (tested on Linux and Windows).
pip install gimpact
Example Usage
AABB
import gimpact
aabb1 = gimpact.AABB(-1, 1, -1, 1, -1, 1)
aabb2 = gimpact.AABB(-1, 1, -1, 1, 1.5, 2)
print(aabb1.intersects(aabb2))
print(aabb1.intersection(aabb2))
aabb1.merge(aabb2)
print(aabb1)
Box Prunning
import gimpact
aabb_set = gimpact.AABBSet(10)
print(len(aabb_set))
print(aabb_set.global_bounds)
for aabb in aabb_set:
aabb.bounds = (0., 0., 0., 0., 0., 0.)
for aabb in aabb_set:
print(aabb)
print(aabb_set.global_bounds)
pairs = aabb_set.find_intersections(aabb_set)
print(pairs)
del aabb_set
print(aabb.bounds)
Collision
import gimpact
import numpy as np
contacts = gimpact.trimesh_trimesh_collision(trimesh1, trimesh2)
contacts = gimpact.trimesh_sphere_collision(trimesh1, [0., 0., 0.], 1, True)
contacts = gimpact.trimesh_capsule_collision(trimesh1, np.array([0., 0., 0.]), np.array([1., 0., 0.]), 1, True)
contacts = gimpact.trimesh_plane_collision(trimesh1, [0., 0., 1., 0.], True)
1 maintainer
Metadata
1 maintainer
Release files for gimpact 1.0.2
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Source distribution (sdist)
| File | Size | Uploaded | Provenance | Actions |
|---|---|---|---|---|
| gimpact-1.0.2.tar.gz | 66.9 kB | Without provenance | Details for gimpact-1.0.2.tar.gz |
Built distributions (wheels)
Total release size: 10.3 MB
Release files / gimpact-1.0.2.tar.gz
| Download URL | gimpact-1.0.2.tar.gz |
|---|---|
| Size | 66.9 kB |
| Tags | Source |
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Release files / gimpact-1.0.2-cp313-cp313-win_amd64.whl
| Download URL | gimpact-1.0.2-cp313-cp313-win_amd64.whl |
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| Size | 142.1 kB |
| Tags | CPython 3.13 Windows x86-64 |
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Release files / gimpact-1.0.2-cp313-cp313-musllinux_1_2_x86_64.whl
| Download URL | gimpact-1.0.2-cp313-cp313-musllinux_1_2_x86_64.whl |
|---|---|
| Size | 2.0 MB |
| Tags | CPython 3.13 Linux musl 1.2+ x86-64 |
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| Download URL | gimpact-1.0.2-cp313-cp313-manylinux_2_17_x86_64.manylinux2014_x86_64.whl |
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| Size | 991.8 kB |
| Tags | CPython 3.13 Linux glibc 2.17+ x86-64 |
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| Download URL | gimpact-1.0.2-cp313-cp313-macosx_10_13_universal2.whl |
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| Size | 308.2 kB |
| Tags | CPython 3.13 macOS 10.13+ universal2 (ARM64, x86-64) |
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| Download URL | gimpact-1.0.2-cp312-cp312-win_amd64.whl |
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| Size | 142.1 kB |
| Tags | CPython 3.12 Windows x86-64 |
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| Size | 2.0 MB |
| Tags | CPython 3.12 Linux musl 1.2+ x86-64 |
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| Download URL | gimpact-1.0.2-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl |
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| Size | 994.8 kB |
| Tags | CPython 3.12 Linux glibc 2.17+ x86-64 |
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| Size | 309.6 kB |
| Tags | CPython 3.12 macOS 10.13+ universal2 (ARM64, x86-64) |
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| Download URL | gimpact-1.0.2-cp311-cp311-win_amd64.whl |
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| Size | 141.8 kB |
| Tags | CPython 3.11 Windows x86-64 |
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| Download URL | gimpact-1.0.2-cp311-cp311-musllinux_1_2_x86_64.whl |
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| Size | 2.0 MB |
| Tags | CPython 3.11 Linux musl 1.2+ x86-64 |
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| Download URL | gimpact-1.0.2-cp311-cp311-manylinux_2_17_x86_64.manylinux2014_x86_64.whl |
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| Size | 940.0 kB |
| Tags | CPython 3.11 Linux glibc 2.17+ x86-64 |
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| Size | 308.3 kB |
| Tags | CPython 3.11 macOS 10.9+ universal2 (ARM64, x86-64) |
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