pub fn export_spline_frames(
spline: &CatmullRomSpline,
duration: f32,
fps: f32,
speed: f32,
) -> Vec<SplineFrameExport>pub fn export_spline_frames(
spline: &CatmullRomSpline,
duration: f32,
fps: f32,
speed: f32,
) -> Vec<SplineFrameExport>