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Catmull-Rom Cinematic Cam

Simply place the keys for camera movement and
start cinematic playback,
control the speed of movement and
FOV that gives a real-time control of focal length of the lens and easy way to get "Dolly Zoom" effect.

Try FreeCam mode to control the camera in motion, ignoring the cam dir vectors recorded in the keys, this mode provides the smoothest movements when the mouse Sensitivity is set to minimum, and Smoothing to maximum in input options.

You can edit the path you created by deleting or adding new points to the path.

To automatically generate keys when running or in flight, use AutoKey ( RMB ). Set the frequency in the tool options (0.5 sec by default).

All available control keys are bindable and displayed on the switchable OSD.
Pitch & Yaw angle indicators show deviations relative to the newly installed key, it helps a lot to build smooth trajectories.

The path is looping automatically. The spline always goes through the control points, but its trajectory depends on neighboring points alike Bezier curves. The Catmull-Rom algorithm calculates the path between points taking into account the positions of neighboring 4 points.

Rotation angles can change linearly using Slerp (better for circular movements) or non-linearly (slows down closer to the control point and accelerates to the middle) to smooth out shocks when changing angles at control points.

Sometimes the result can surprize you if the angles are wide and distances between points are much different.
If your fps too low try to use built-im screen recorder mod.

Special thanks to Murdoc for helping with the code!

Thanks to Freya Holmér for the video https://youtu.be/jvPPXbo87ds
about splines.