given a rotation axis and angle, return a quatirian that represents such roatation.

Get the underlying heap

Get the underlying heap

Get the underlying heap

fast 0..255 * 0..255 => 0..255 rounded multiplication

@OPTIMIZE: binary search

@OPTIMIZE: binary search

@OPTIMIZE: binary search

helper that creates a plinth whose center matches the particle bounds

fast floor float->int conversion routine.

like cubic fade but has both first-order and second-order derivatives of 0.0 at [0.0,1.0]

judge whether a water particle is in the poured glass water: [x, y, z, 1/m] water particle state.

Set up the flex scene

:param camera_name: The camera_name to switch to :param camera_param: None if only switching cameras. Otherwise, should be a dictiona

this is designed as a drop in replacement for gluPerspective

The keypoints are defined as the four corner points of the cloth

judge whether a water particle is in the poured glass water: [x, y, z, 1/m] water particle state.

Create filled in constant buffer

Create filled in constant buffer

Create filled in constant buffer

take a -128..127 value and stbi__clamp it and convert to 0..255

returns 1 if "a*b*c + add" has no negative terms/factors and doesn't overflow

If the path exists, load from it. Should be a list of (config, states) :param cached_states_path: :return: