aftamat4ik

// source - https://www.iro.umontreal.ca/%7Efelipe/IFT2030-Automne2002/Complements/tinyc.c
// video - https://www.youtube.com/watch?v=aeMdrCdRXCU
/* file: "tinyc.c" */

/* Copyright (C) 2001 by Marc Feeley, All Rights Reserved. */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

aftamat4ik

import bpy


def quaternion_euler_all_bones(mode, start, end, on_obj):
    for f in range(frame_start, frame_end +1): # Go from start to End
        # for each rig bone in current frame
        for bone in obj.pose.bones:
            #don't forget to restore bone rotation mode for next keyframe
            if mode == "EtoQ":
                bone.rotation_mode = "XYZ"