# Trickfilm RON file format specification.
## Trickfilm
| Map of String,[AnimationClip2D] | mandatory | All named animation clips of this animation clip set. Can not be empty. If multiple animation clips with the same name are defined, only the last entry is considered. |
## AnimationClip2D
| keyframes | [Keyframes] | mandatory | Keyframes of this animation clip corresponding to the indices in the texture atlas. |
| keyframe_timestamps | Option of Vector of f32 | optional | Timestamp of the corresponding keyframe of this animation clip in seconds. Default value is None, but will be calculated so all keyframes are equally distributed along the entire duration. |
| duration | f32 | mandatory | Duration of this animation clip in seconds. Must be greater than the maximum keyframe timestamp. |
## Keyframes
| KeyframesVec | Vec of usize corresponding to individual keyframes. |
| KeyframesRange | Range of usize corresponding to a range of keyframes. |
[AnimationClip2D]: #animationclip2d
[Keyframes]: #keyframes