{"id":35228697,"url":"https://github.com/dharmatech/box2d-lite","last_synced_at":"2026-04-07T19:31:53.250Z","repository":{"id":767084,"uuid":"447902","full_name":"dharmatech/box2d-lite","owner":"dharmatech","description":"Box2D Lite ported to R6RS Scheme","archived":false,"fork":false,"pushed_at":"2016-04-29T08:25:32.000Z","size":46,"stargazers_count":44,"open_issues_count":1,"forks_count":12,"subscribers_count":6,"default_branch":"master","last_synced_at":"2026-03-31T06:35:36.933Z","etag":null,"topics":["box2d","box2d-lite","r6rs-scheme","scheme"],"latest_commit_sha":null,"homepage":"","language":"Scheme","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/dharmatech.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null}},"created_at":"2009-12-24T09:30:14.000Z","updated_at":"2025-02-21T08:43:25.000Z","dependencies_parsed_at":"2022-08-16T10:50:16.643Z","dependency_job_id":null,"html_url":"https://github.com/dharmatech/box2d-lite","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/dharmatech/box2d-lite","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/dharmatech%2Fbox2d-lite","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/dharmatech%2Fbox2d-lite/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/dharmatech%2Fbox2d-lite/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/dharmatech%2Fbox2d-lite/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/dharmatech","download_url":"https://codeload.github.com/dharmatech/box2d-lite/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/dharmatech%2Fbox2d-lite/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":31526665,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-04-07T16:28:08.000Z","status":"ssl_error","status_checked_at":"2026-04-07T16:28:06.951Z","response_time":105,"last_error":"SSL_connect returned=1 errno=0 peeraddr=140.82.121.5:443 state=error: unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["box2d","box2d-lite","r6rs-scheme","scheme"],"created_at":"2025-12-30T02:01:53.453Z","updated_at":"2026-04-07T19:31:53.245Z","avatar_url":"https://github.com/dharmatech.png","language":"Scheme","funding_links":[],"categories":[],"sub_categories":[],"readme":"\n# Introduction\n\n[Box2D](http://www.box2d.org) is a physics engine written in C++ by\nErin Catto. [Box2D Lite](http://box2d.googlecode.com/files/Box2D_Lite.zip)\nis a simpler version which Erin posted to his blog once upon a\ntime. This is a port of Box2D Lite to R6RS Scheme.\n\n# Setup\n\n    $ cd ~/scheme # Where '~/scheme' is the path to your Scheme libraries\n    $ git clone git://github.com/dharmatech/surfage.git\n    $ git clone git://github.com/dharmatech/dharmalab.git\n    $ git clone git://github.com/dharmatech/agave.git\n\n# Running the demos\n\n## Run a demo in Ikarus\n\n    $ ikarus --r6rs-script ~/scheme/box2d-lite/demos/small-pyramid.sps\n\n## Run a demo in Chez\n\n    $ scheme --program ~/scheme/box2d-lite/demos/small-pyramid.sps\n\n## Run a demo in Larceny\n\n    $ larceny --r6rs --program ~/scheme/box2d-lite/demos/small-pyramid.sps\n\n# Notes\n\n## Chez Scheme\n\nOpenGL library for Chez Scheme: [chez-gl](https://github.com/dharmatech/chez-gl).\n\nOn my system, I keep R6RS libraries in `~/scheme`. I keep chez-gl in `~/src`.\nSo my `CHEZSCHEMELIBDIRS` is set like this in my `~/.bashrc`:\n\n    export CHEZSCHEMELIBDIRS=~/scheme:~/src/chez-gl\n\n## Make a demo load faster in Ikarus\n\n    $ ikarus --compile-dependencies ~/scheme/box2d-lite/demos/small-pyramid.sps\n\n## Screenshot\n\n![dominos screenshot](https://raw.githubusercontent.com/dharmatech/dharmatech.github.com/master/images/box2d-lite-dominos-chez.png)\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fdharmatech%2Fbox2d-lite","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fdharmatech%2Fbox2d-lite","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fdharmatech%2Fbox2d-lite/lists"}