{"id":21040575,"url":"https://github.com/pixelspark/cactus","last_synced_at":"2025-07-18T09:36:06.997Z","repository":{"id":136773086,"uuid":"611529","full_name":"pixelspark/cactus","owner":"pixelspark","description":"A software 3D rendering library that is also easy to understand","archived":false,"fork":false,"pushed_at":"2021-05-02T22:01:00.000Z","size":4916,"stargazers_count":4,"open_issues_count":0,"forks_count":0,"subscribers_count":2,"default_branch":"master","last_synced_at":"2025-07-04T01:04:15.339Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":"https://pixelspark.nl/2003/cactus-the-3d-engine-i-wrote-when-i-was-15","language":"C++","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"lgpl-2.1","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/pixelspark.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"license.txt","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2010-04-15T08:41:59.000Z","updated_at":"2024-09-28T06:33:41.000Z","dependencies_parsed_at":null,"dependency_job_id":"6155b871-948b-4742-ba39-a9e6e25e939a","html_url":"https://github.com/pixelspark/cactus","commit_stats":null,"previous_names":[],"tags_count":1,"template":false,"template_full_name":null,"purl":"pkg:github/pixelspark/cactus","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/pixelspark%2Fcactus","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/pixelspark%2Fcactus/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/pixelspark%2Fcactus/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/pixelspark%2Fcactus/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/pixelspark","download_url":"https://codeload.github.com/pixelspark/cactus/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/pixelspark%2Fcactus/sbom","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":265735276,"owners_count":23819699,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","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":[],"created_at":"2024-11-19T13:47:12.785Z","updated_at":"2025-07-18T09:36:06.950Z","avatar_url":"https://github.com/pixelspark.png","language":"C++","funding_links":[],"categories":[],"sub_categories":[],"readme":"# Cactus\n\nCactus is a software 3D rendering library written in clean C/C++ and is a port of Peter Walser's idx3dIII engine in Java (currently nowhere to be found on the internet...). Although it is outperformed by 3D hardware of today, it is a nice project to learn 3D principles from.\n\n## Building for WebAssembly\n\n[Install EMCC](https://emscripten.org/docs/getting_started/downloads.html), tl;dr:\n\n````sh\ngit clone https://github.com/emscripten-core/emsdk.git\ncd emsdk\ngit pull\n./emsdk install latest\n./emsdk activate latest\nsource ./emsdk_env.sh\n````\n\nThen, to build:\n\n````sh\nemcc -DCACTUS_API=\"\" -DNO_LWO_IMPORTER -D__CACTUS_FPUTWEAK src/*.cpp -O3 ./main.cpp -o index.html\n````","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fpixelspark%2Fcactus","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fpixelspark%2Fcactus","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fpixelspark%2Fcactus/lists"}