Function fromAxisAngle

fromAxisAngle(axis, angleInRadians, dst?): Quat
Sets a quaternion from the given angle and axis, then returns it.
Parameters
- axis: Vec3
  the axis to rotate around
- angleInRadians: number
  the angle
- Optional dst: Quat
  quaternion to hold result. If not passed in a new one is created.
Returns Quat
The quaternion that represents the given axis and angle