Pouring the knowledge into C++ classes

We will split the code for the animations into two separate classes to follow the structure of the glTF file format. In a glTF file, the animation clips and the animation channels are stored in different elements because one animation clip uses data from multiple animation channels.

The first class, named GltfAnimationChannel, will contain the data of a glTF animation channel. We will store all data of a single channels entry and the corresponding samplers entry in this class: the time points from the input buffer, the new data for the target node from the output buffer, the interpolation type from the sampler, plus the target path and the target node from the channel definition.

The second class, GltfAnimationClip, manages the animation clips and uses the GltfAnimationChannel class to store the animation channel data per clip.

Storing the channel data in a class

We start the animation channel class, GltfAnimationChannel, with the...