Camera interpolation
Lookat-camera keyframe animation with createCameraTrack. A bound animCam plays a four-keyframe track; a separate viewCam orbits around the abstraction — eye polyline, gaze rays, per-keyframe mini-camera markers. A live frustum follows playback, and an FBO inset shows what animCam actually sees. Toggle TEX and that inset slides onto the live frustum’s near plane — the frustum becomes a window. Two createPanel instances drive the whole thing: one binds checkboxes to UI state, one binds transport controls to the track. ...