initFromRadians  
  fun initFromRadians(radX: <Error class: unknown class>, radY: <Error class: unknown class>, radZ: <Error class: unknown class>): Quaternion(source)
Initializes a #graphene_quaternion_t using the values of the Euler angles on each axis.
See also: graphene_quaternion_init_from_euler()
Return
the initialized quaternion
Since
1.0
Parameters
radX 
rotation angle on the X axis (yaw), in radians
radY 
rotation angle on the Y axis (pitch), in radians
radZ 
rotation angle on the Z axis (roll), in radians