May 26, 2018

Skeletal based 3D character animation library written in C++

Cal3D is a skeletal based 3D character animation library written in C++ in a way that is both platform-independent and graphics API-independent. It was originally designed to be used in a 3D client for Worldforge, but evolved into a stand-alone product which can be used in many different kinds of projects.

Cal3D’s essentials can be boiled down to 2 parts the C++ library and the exporter. The exporter is what you would use to take your characters built in a 3D modeling package and create the Cal3D-format files that the library knows how to load. The exporters are actually plug-ins for 3D modeling packages. This allows 3D artists to use the modeling tools that they’re already comfortable with.

The C++ library is what you would actually use in your application, whether it’s a game or a VR application. The library provides methods to load your exported files, build characters, run animations, and access the data necessary to render them with 3D graphics.

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