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3d gradient function.

True if contents is all set and therefore 'valid'

True if contents is all set and therefore 'valid'

True if contents is all set and therefore 'valid'

* Deprecrated helper method that creates shape flags that by default have all collision channels enabled */

random number generator

generates a transform matrix with v as the z axis, taken from PBRT

rotate a rigid object (e.g. shape in flex). pos: np.ndarray 3x1, [x, y, z] coordinate of the object. relative: relative coordinate of th

set the the shape states of both glasses.

rotate vector by quaternion (q, w)

use pyflex.render to get a rendered image.

static */

static */

static */