def get_head_length(self, jnt_head):
"""
Resolve a head influence height using raycasts.
This is in the Rig class to increase performance using the caching mechanism.
:param jnt_head: The head influence to mesure.
:return: A float representing the head length. None if unsuccessful.
"""
ref_tm = jnt_head.getMatrix(worldSpace=True)
geometries = libHistory.get_affected_shapes(jnt_head)
# Resolve the top of the head location
bot = pymel.datatypes.Point(ref_tm.translate)
# dir = pymel.datatypes.Point(1,0,0) * ref_tm
# dir = dir.normal()
# This is strange but not pointing to the world sometime don't work...
# TODO: FIX ME
dir = pymel.datatypes.Point(0, 1, 0)
top = libRigging.ray_cast_farthest(bot, dir, geometries)
if not top:
self.warning("Can't resolve head top location using raycasts using {0} {1}!".format(
bot, dir
))
return None
return libPymel.distance_between_vectors(bot, top)
def get_head_length(self):
jnt_head = self.get_head_jnt()
if not jnt_head:
self.warning("Can't resolve head length!")
ref_tm = jnt_head.getMatrix(worldSpace=True)
geometries = libRigging.get_affected_geometries(jnt_head)
# Resolve the top of the head location
bot = pymel.datatypes.Point(ref_tm.translate)
#dir = pymel.datatypes.Point(1,0,0) * ref_tm
#dir = dir.normal()
# This is strange but not pointing to the world sometime don't work...
# TODO: FIX ME
dir = pymel.datatypes.Point(0,1,0)
top = libRigging.ray_cast_farthest(bot, dir, geometries)
if not top:
self.warning("Can't resolve head top location using raycasts using {0} {1}!".format(
bot, dir
))
return None
return libPymel.distance_between_vectors(bot, top)
def get_head_length(self):
jnt_head = self.get_head_jnt()
if not jnt_head:
self.warning("Can't resolve head length!")
ref_tm = jnt_head.getMatrix(worldSpace=True)
geometries = libRigging.get_affected_geometries(jnt_head)
# Resolve the top of the head location
bot = pymel.datatypes.Point(ref_tm.translate)
#dir = pymel.datatypes.Point(1,0,0) * ref_tm
#dir = dir.normal()
# This is strange but not pointing to the world sometime don't work...
# TODO: FIX ME
dir = pymel.datatypes.Point(0, 1, 0)
top = libRigging.ray_cast_farthest(bot, dir, geometries)
if not top:
self.warning(
"Can't resolve head top location using raycasts using {0} {1}!"
.format(bot, dir))
return None
return libPymel.distance_between_vectors(bot, top)
def raycast_farthest(self, pos, dir):
"""
Return the farest point on any of the rig registered geometries using provided position and direction.
"""
geos = self.get_meshes()
if not geos:
return None
result = libRigging.ray_cast_farthest(pos, dir, geos)
if not result:
return None
return result
def raycast_farthest(self, pos, dir):
"""
Return the farest point on any of the rig registered geometries using provided position and direction.
"""
geos = self.get_meshes()
if not geos:
return None
result = libRigging.ray_cast_farthest(pos, dir, geos)
if not result:
return None
return result
def _get_recommended_pivot_back(self, geometries, tm_ref, tm_ref_dir, pos_toes):
"""
Determine recommended position using ray-cast from the toes.
If the ray-cast fail, use the toes position.
return: The recommended position as a world pymel.datatypes.Vector
"""
dir = pymel.datatypes.Point(0,0,-1) * tm_ref_dir
pos = libRigging.ray_cast_farthest(pos_toes, dir, geometries)
if not pos:
cmds.warning("Can't automatically solve FootRoll back pivot.")
pos = pos_toes
# Ensure we are aligned with the reference matrix.
pos_relative = pos * tm_ref.inverse()
pos_relative.x = 0
pos_relative.y = 0
pos = pos_relative * tm_ref
pos.y = 0
#HACK : Ensure that the point is size 3 and not 4
return pymel.datatypes.Point(pos.x,pos.y,pos.z)
def _get_recommended_pivot_front(self, geometries, tm_ref, tm_ref_dir, pos_toes, pos_tip):
"""
Determine recommended position using ray-cast from the toes.
If the ray-cast fail, use the last joint position.
return: The recommended position as a world pymel.datatypes.Vector
"""
dir = pymel.datatypes.Point(0, 0, 1) * tm_ref_dir
pos = libRigging.ray_cast_farthest(pos_toes, dir, geometries)
if not pos:
cmds.warning("Can't automatically solve FootRoll front pivot, using last joint as reference.")
pos = pos_tip
else:
# Compare our result with the last joint position and take the longuest.
pos.z = max(pos.z, pos_tip.z)
# Ensure we are aligned with the reference matrix.
pos_relative = pos * tm_ref.inverse()
pos_relative.x = 0
pos_relative.y = 0
pos = pos_relative * tm_ref
pos.y = 0
#HACK : Ensure that the point is size 3 and not 4
return pymel.datatypes.Point(pos.x,pos.y,pos.z)
