* Deprecated helper method to generates a phase with all shape channels set */

returns random number between 0-1

returns this vector

generate a rotation matrix around an axis, from PBRT p74

If record_continuous_video is set to True, will record an image for each sub-step

performs Atomic operation on two consecutive fp16 values in the given UAV the uint paramater 'fp16x2Val' is treated as two fp16 values the passed sub-

returns a random unit vector (also can add an offset to generate around an off axis vector)

static */