def orient( self, _orientchildless=True, _rotateOrder=None ) : # get the rotation order we're after if( not _rotateOrder ) : _rotateOrder = settings.rotationorder # check we have a child to aim to and decide of aim vectors aimvector = utils.aim_axis_to_vectors( _rotateOrder )[0] upvector = utils.aim_axis_to_vectors( _rotateOrder )[1] aim = aimvector children = self.getChildren() parent = self.getParent() if( not parent ) : parent = self if( len( children ) < 1 ) : if( not _orientchildless ) : utils.wrn( '%s has no children. Skipping orient...' % ( self.name() ) ) return False else : aim = [ a * b for a, b in zip( aimvector, [-1] * 3 ) ] pm.select( None ) # create children average aim locator childrenlocator = pm.spaceLocator() if( len( children ) ) : pm.delete( pm.pointConstraint( children + [ childrenlocator ], mo=False ) ) else : childrenlocator.setTranslation( parent.getTranslation( space='world' ), space='world' ) # create up aim locator and aim self to it uplocator = pm.spaceLocator() pm.delete( pm.pointConstraint( [ parent, self, childrenlocator, uplocator ], mo=False ) ) pm.delete( pm.aimConstraint( [ self, uplocator ], mo=False, wut='object', wuo=parent ) ) uplocator.translateBy( ( 0, 0, 0.5 ) ) # unparent children, aim the joint to the average of it's children, then reparent children for joint in children : joint.setParent( None ) pm.delete( pm.aimConstraint( [ childrenlocator, self ], mo=False, wut='object', wuo=uplocator, upVector=upvector, aim=aim ) ) pm.makeIdentity( self, a=True, r=True ) for joint in children : joint.setParent( self ) # tidy up pm.delete( childrenlocator ) pm.delete( uplocator ) pm.select( self ) return True
def makeCamPlaneForDrawing(self):
drawPlaneGroup = pm.createNode( "transform" );
size = 1024
planeList = pm.polyPlane( w=size,h=size, sx=1,sy=1, n="drawPlane", axis=[0,0,1] ) #print( planeList )
planeXform = planeList[0]
planeShape = planeXform.getShape()
planeShape.overrideEnabled.set(1)
planeShape.overrideShading.set(0)
locatorXform = pm.spaceLocator(n="drawPlaneLocator")
locatorShape = locatorXform.getShape()
locatorShape.localScale.set( [128,128,128] )
camList = pm.camera( name="drawPlaneCam" ) #print( camList )
camXform = camList[0]
camXform.tz.set(256)
pm.parent( planeXform, locatorXform )
pm.parent( locatorXform, drawPlaneGroup )
pm.parent( camXform, drawPlaneGroup )
pm.orientConstraint( camXform, planeXform, ) ##aimVector=[0,1,0], upVector=[0,0,1] )
## Look through cam
pm.select( camXform )
panel = pm.getPanel( withFocus=True )
pm.mel.eval( "lookThroughSelected 0 " + panel +";")
pm.makeLive( planeXform )
def set_poleLocator(**kwargs):
"""
Select 3 joints parent to child in order to which pole
vector has to be placed
Select 3 joints and ik handle in order, to create the pole
vector object and constraint
"""
distance_scale = kwargs.get("distance_scale", 1)
pole_vector_locator = kwargs.get("pole_vector", "poleLocator")
selected_joint = pm.ls(selection=True)
if len(selected_joint) < 3:
print("please select 3 joints")
return None
joint1_position = pm.xform(selected_joint[0],
query=True,
worldSpace=True,
translation=True)
joint2_position = pm.xform(selected_joint[1],
query=True,
worldSpace=True,
translation=True)
joint3_position = pm.xform(selected_joint[2],
query=True,
worldSpace=True,
translation=True)
joint1_vector = openmaya.MVector(joint1_position[0], joint1_position[1],
joint1_position[2])
joint2_vector = openmaya.MVector(joint2_position[0], joint2_position[1],
joint2_position[2])
joint3_vector = openmaya.MVector(joint3_position[0], joint3_position[1],
joint3_position[2])
joint1_joint2_vector = joint2_vector - joint1_vector
joint1_joint2_vector.normalize()
joint2_joint3_vector = joint3_vector - joint2_vector
joint2_joint3_vector.normalize()
plane_normal = joint1_joint2_vector ^ joint2_joint3_vector
plane_normal.normalize()
joint1_joint3_vector = joint3_vector - joint1_vector
joint1_joint3_vector.normalize
pole_vector = joint1_joint3_vector ^ plane_normal
mag_vec = pole_vector * distance_scale
pole_position = joint2_vector + mag_vec
loc_pos = [pole_position.x, pole_position.y, pole_position.z]
pole_locator = pm.spaceLocator(name=pole_vector_locator)
locator_group = pm.group(pole_locator, name=pole_vector_locator + "_group")
pm.xform(locator_group, translation=loc_pos)
print("Pole object placed at ", str(loc_pos))
if len(selected_joint) == 4:
ik_handle = selected_joint[3]
pm.poleVectorConstraint(pole_locator, ik_handle)
print("Pole Vector Constraint applied")
return None
def build_box(car_name):
"""Method 1 - This buider make box strucutre (not strong)
"""
sel = pm.ls(sl=True)
group = pm.group(name=car_name + '_group', empty=True)
nodes_group = pm.group(name='nodes_group', empty=True, parent=group)
beams_group = pm.group(name='beams_group', empty=True, parent=group)
if not sel:
return
trans = sel[0]
mesh = trans.getShape()
pm.hide(trans)
d = {}
verts = mesh.verts
for index, vtx in enumerate(verts):
loc = pm.spaceLocator()
loc.rename('b' + str(index))
loc.t.set(vtx.getPosition(space='world'))
loc.overrideEnabled.set(True)
loc.overrideColor.set(17)
loc.setParent(nodes_group)
index = vtx.index()
d[index] = {'loc': loc, 'connected': []}
for c in vtx.connectedVertices():
c_index = c.index()
if c_index < index:
continue
d[index]['connected'].append(c_index)
index = 0
for each in d:
loc = d[each]['loc']
for other in d[each]['connected']:
other_loc = d[other]['loc']
curve = pm.curve(p=[(0, 0, 0), (1, 0, 0)], degree=1)
curve.rename('beam_' + str(index))
shape = curve.getShape()
curve.overrideEnabled.set(True)
curve.overrideColor.set(15)
lock_hide(curve)
loc.t >> shape.controlPoints[0]
other_loc.t >> shape.controlPoints[1]
curve.setParent(beams_group)
index += 1
pm.select(clear=True)
def CreateScaleRig(name):
outgrp = pm.group(name='%s_squashRig_GRP' % (name), empty=True)
outloc = pm.spaceLocator(name='%s_squashOut_LOC' % (name))
outloc.setParent(outgrp)
aims = []
inattrs = []
pm.cycleCheck(e=False)
for axis in ['X', 'Y', 'Z']:
loc = pm.spaceLocator(name='%s_squashIn%s_LOC' % (name, axis))
grp = pm.group(name='%s_squashLoc%s_GRP' % (name, axis), empty=True)
loc.setParent(grp)
grp.setAttr('translate%s' % (axis), 1)
pm.pointConstraint(loc, outloc, mo=False)
aims.append(pm.aimConstraint(outloc, grp))
grp.setParent(outgrp)
inattrs.append(loc.translateX)
for aim in aims:
pm.delete(aim)
pm.cycleCheck(e=True)
return {'group': outgrp, 'inattrs': inattrs, 'outattrs': outloc.translate}
def make_node(name, parent, point=None, vtx=None):
"""Make a Node from a vertex location
"""
if pm.objExists(name):
return
loc = pm.spaceLocator()
loc.rename(name)
if point:
loc.t.set([point[0] * 100, point[2] * 100, point[1] * -100])
elif vtx:
loc.t.set(vtx.getPosition(space='world'))
loc.overrideEnabled.set(True)
loc.overrideColor.set(17)
loc.setParent(parent)
def makePoleVector(self, constrain=True):
iks = pm.ls(selection = True )
originalSelection = iks
locators = []
for ik in iks:
loc = pm.spaceLocator()
pm.rename( loc, 'poleVectorTarget' )
pm.parent( loc, ik )
ik.poleVectorX >> loc.translateX
ik.poleVectorY >> loc.translateY
ik.poleVectorZ >> loc.translateZ
loc.translateX.disconnect()
loc.translateY.disconnect()
loc.translateZ.disconnect()
pm.parent( loc, world=True )
if constrain==True:
pm.poleVectorConstraint( loc, ik, weight=1 )
def motion_path(**kwargs):
objs = kwargs.get("objs", None)
point = int(len(objs) / 2)
print objs[point]
loc = pm.spaceLocator(name="up_loc")
tmp_con = pm.parentConstraint(objs[point], loc, maintainOffset=False)
pm.delete(tmp_con)
pm.move(loc, 10, moveY=True, objectSpace=True)
parts = 1.0 / float((len(objs) - 1))
crv = kwargs.get("path_curve", None)
print objs
#print crv
initU = 0.0
pm.select(clear=True)
#for obj in objs:
#path_anim = pm.pathAnimation(obj, curve = crv, follow=True, followAxis = "x", upAxis = "y",
# worldUpType = "object", worldUpObject = loc, fractionMode=True)
#path_anim = pm.pathAnimation(obj, curve = crv, follow=True, followAxis = "x", upAxis = "y",
# worldUpType = "vector", worldUpVector = [0,1,0], fractionMode=True)
#pm.disconnectAttr(str(path_anim)+".uValue")
#pm.setAttr(str(path_anim)+".uValue", initU)
#initU += float(parts)
return None
def create_locator(*args):
"""This methos creates Locators at user selected positions
function call format : create_locator("String", Integer)
User Inputs:
args[0] : Object name
args[1] : object Id to start with
Returns : None
"""
# If number of parameters mismatch, return with message
if len(args) != 2:
print "arguments mismatch"
return None
# Call to method to obtain list of selected position
position_list = obtain_selection_position()
# If user selected nothing, return with message display
if not position_list:
print "please make selection"
return None
# Obtain object name from *args
object_name = args[0]
# Obtain the object ID from *args as integer
object_id = int(args[1])
# create Locators at selected positions and
# increment the ID to name the next locator in loop
for object_position in position_list:
locator_name = object_name + str(object_id) + '_Locator'
space_locator = pm.spaceLocator(name=locator_name)
pm.xform(space_locator, translation=object_position)
object_id = object_id + 1
return None
def treadAtPoints(**kwargs):
#get inputs
tread_name = kwargs.get("tr_name", "Tread")
crv = kwargs.get("path_crv", None)
crv = str(pm.duplicate(crv, name=str(tread_name) + "PathCrv")[0])
pm.xform(crv, centerPivots=True)
#obtain curve length
full_length = pm.arclen(crv)
paramVal = []
uVal = []
# get param value on the curve at each position selected (locators)
sel_obj = pm.ls(selection=True)
for obj in sel_obj:
pos = pm.xform(obj, query=True, translation=True, worldSpace=True)
param = getuParamVal(pos, crv)
paramVal.append(param)
crv_shp = pm.listRelatives(crv, shapes=True)[0]
# create arc length dimension tool
arcLen = pm.arcLengthDimension(crv_shp + ".u[0]")
# for each param value obtained set the arc length tool attribute and
# store the length of curve at that param value
# normalize the curve to obtain the motion path U value at each position
for val in paramVal:
pm.setAttr(str(arcLen) + ".uParamValue", val)
len_at_pos = pm.getAttr(str(arcLen) + ".arcLength")
uVal.append(len_at_pos / full_length)
pm.delete(arcLen)
mthPthLst = []
jntLst = []
# create joints, assign motion path and set U value obtained
for u in uVal:
pm.select(clear=True)
jnt = pm.joint()
jntLst.append(jnt)
pathanim = pm.pathAnimation(jnt,
curve=crv,
fractionMode=True,
follow=True,
followAxis="x",
worldUpType="vector",
worldUpVector=(0, 1, 0))
mthPthLst.append(pathanim)
pm.setAttr(str(pathanim) + ".uValue", u)
pm.disconnectAttr(str(pathanim) + ".u")
# create up locator at mid point of all joints
#loc_pos = midPos(selected_items = jntLst)
#loc_pos = pm.xform(crv, query=True, translation=True, worldSpace=True)
loc_pos = midPosVec(objects=jntLst)
loc = pm.spaceLocator()
pm.xform(loc, translation=loc_pos, worldSpace=True)
for mtPth in mthPthLst:
pm.pathAnimation(mtPth,
edit=True,
worldUpType="object",
worldUpObject=loc)
# create control curve, add run and speed attributes
control_crv = pm.circle(name=tread_name + "CTRL",
normalX=1,
normalY=0,
normalZ=0)
pm.xform(control_crv, translation=loc_pos)
pm.select(clear=True)
pm.addAttr(control_crv,
longName="run",
attributeType="float",
keyable=True)
pm.addAttr(control_crv,
longName="speed",
attributeType="float",
keyable=True,
minValue=0.0,
defaultValue=0.5)
# group the tread setup
pm.parent(crv, control_crv)
pm.parent(loc, control_crv)
pm.select(clear=True)
gp = pm.group(name=tread_name + "GP")
pm.select(clear=True)
jnt_gp = pm.group(jntLst, name=tread_name + "JNTGP")
pm.xform(gp, translation=loc_pos)
pm.parent(control_crv, gp)
pm.parent(jnt_gp, gp)
createTreadExpression(mtnPth=mthPthLst,
runAttr=str(control_crv[0]) + ".run",
speedAttr=str(control_crv[0]) + ".speed",
exp_nm=tread_name)
return None
#treadAtPoints(pathCrv = "nurbsCircle1", tr_name = "testTread")
def __enter__(self):
self.tmpObject = pm.spaceLocator( )
self.tmpObjectShape = self.tmpObject.getShape()
return tmpObject
def __enter__(self):
self.tmpObject = pm.spaceLocator()
self.tmpObjectShape = self.tmpObject.getShape()
return tmpObject
## We can use ik
## get the ik by name
#ik = pm.PyNode('ik_heel')
## or get it by selection
selection = pm.ls(selection=True)
ik = selection[0]
## get the first things in
## the list of selected objects
## get a locator by name
#loc = pm.PyNode('locator1')
loc = pm.spaceLocator()
## the locator first get's parented to
## the ik handle, just so it's in the right
## coordsys
## parenting order is (slave, master)
## or (child, parent)
pm.parent( loc, ik )
## now we need to put the locator
## at the one exact "magic"
## place where the pole vector
## is for the ik handle
## it's magic, because it's the only
## pole vector attribute
import pymel.all as pm
## We can use ik
## get the ik by name
#ik = pm.PyNode('ik_heel')
## or get it by selection
selection = pm.ls(selection=True)
ik = selection[0]
## get the first things in
## the list of selected objects
## get a locator by name
#loc = pm.PyNode('locator1')
loc = pm.spaceLocator()
## the locator first get's parented to
## the ik handle, just so it's in the right
## coordsys
## parenting order is (slave, master)
## or (child, parent)
pm.parent(loc, ik)
## now we need to put the locator
## at the one exact "magic"
## place where the pole vector
## is for the ik handle
## it's magic, because it's the only
## place that won't "pop" out of the pose
##
def setup_motion_path(self):
setup_name = self.get_setup_name()
path_name = self.get_path_name()
sample_obj = self.get_sample_objects()
duplicate_flag = self.get_duplicate_flag()
placement_type = self.get_placement_type()
division_count = self.get_division_count()
if setup_name == self.INVALID_INPUT_FAIL:
pm.displayError("Invalid Input Entered for setup name")
return None
if path_name == self.INVALID_INPUT_FAIL:
pm.displayError("Invalid Input Entered for path name")
return None
if path_name == self.NO_OBJECT_FAIL:
pm.displayError("path Curve does not exist")
return None
if path_name == self.DATA_TYPE_FAIL:
pm.displayError("Path can be only Nurb Curves")
return None
if division_count == self.INVALID_INPUT_FAIL:
pm.displayError("Invalid Input Entered for divisions")
return None
if division_count == self.DATA_TYPE_FAIL:
pm.displayError("Divisions can take only integer values")
return None
if sample_obj == self.NO_OBJECT_FAIL:
pm.displayError("Sample Object not found")
return None
obj_list = []
path_anim_list = []
sel_objs = pm.ls(selection=True)
if duplicate_flag:
path_name = self.get_duplicate_path(path_crv=path_name)
path_name = pm.rename(path_name, setup_name + "_path_CRV")
if placement_type == "uniform":
obj_list, path_anim_list = self.uniform_distribution(
name=setup_name,
path=path_name,
sample=sample_obj,
divisions=division_count)
else:
if not sel_objs:
pm.displayError("No Objects selected")
for obj in sel_objs:
if not pm.objExists(obj):
pm.displayWarning(str(obj), "does not exist")
return None
obj_list, path_anim_list = self.at_selection(
name=setup_name,
path=path_name,
sample=sample_obj,
selection_list=sel_objs)
loc_pos = CustomScripts.midPos(selected_items=path_name)
loc = pm.spaceLocator(name=setup_name + "_up_loc")
pm.xform(loc, translation=loc_pos)
control_crv = pm.circle(name=setup_name + "CTRL",
normalX=1,
normalY=0,
normalZ=0)
pm.xform(control_crv[0], translation=loc_pos, worldSpace=True)
pm.select(clear=True)
# add run and speed attributes on parent nurb curve
pm.addAttr(control_crv[0],
longName="run",
attributeType="float",
keyable=True)
pm.addAttr(control_crv[0],
longName="speed",
attributeType="float",
keyable=True,
minValue=0.0,
defaultValue=0.5)
# edit the existing motion path to assign up locator
for mtPth in path_anim_list:
pm.pathAnimation(mtPth,
edit=True,
worldUpType="object",
worldUpObject=loc)
# parent the setup under the parent nurb curve
pm.parent(path_name, control_crv[0])
pm.parent(loc, control_crv[0])
pm.select(clear=True)
gp = pm.group(name=setup_name + "GP")
pm.xform(gp, translation=loc_pos)
pm.select(clear=True)
obj_gp = pm.group(obj_list, name=setup_name + "object_GP")
pm.parent(control_crv[0], gp)
pm.parent(obj_gp, gp)
# call to create expression function
self.createTreadExpression(mtnPth=path_anim_list,
runAttr=str(control_crv[0]) + ".run",
speedAttr=str(control_crv[0]) + ".speed",
exp_nm=setup_name)
return None
def createTread(**kwargs):
# get inputs
divisions = kwargs.get("no_of_joints", 0)
tread_name = kwargs.get("tr_name", "Tread")
path_crv = kwargs.get("path_crv", None)
# duplicate the existing curve to use for tread creation
path_crv = str(pm.duplicate(path_crv, name=str(tread_name) + "PathCrv")[0])
pm.xform(path_crv, centerPivots=True)
count = 0
part = float(1) / float(divisions)
init = 0
path_anim_list = []
jnt_lst = []
# create joints and place them on curve using motion path at equal distance
while count < divisions:
pm.select(clear=True)
jnt = pm.joint()
jnt_lst.append(jnt)
pathanim = pm.pathAnimation(jnt,
curve=path_crv,
fractionMode=True,
follow=True,
followAxis="x",
worldUpType="vector",
worldUpVector=(0, 1, 0))
path_anim_list.append(pathanim)
pm.setAttr(str(pathanim) + ".uValue", init)
pm.disconnectAttr(str(pathanim) + ".u")
init += part
count += 1
# obtain the midpoint of all joints to create an up locator and position it at midpoint
#loc_pos = midPos(selected_items = jnt_lst)
#loc_pos = pm.xform(path_crv, query=True, translation=True, worldSpace=True)
loc_pos = midPosVec(objects=jnt_lst)
loc = pm.spaceLocator(name=tread_name + "_up_loc")
pm.xform(loc, translation=loc_pos)
# create a nurb circle to act as parent controller
control_crv = pm.circle(name=tread_name + "CTRL",
normalX=1,
normalY=0,
normalZ=0)
pm.xform(control_crv, translation=loc_pos)
pm.select(clear=True)
# add unr and speed attributes on parent nurb curve
pm.addAttr(control_crv,
longName="run",
attributeType="float",
keyable=True)
pm.addAttr(control_crv,
longName="speed",
attributeType="float",
keyable=True,
minValue=0.0,
defaultValue=0.5)
#edit the existing motion path to assign up locator
for mtPth in path_anim_list:
pm.pathAnimation(mtPth,
edit=True,
worldUpType="object",
worldUpObject=loc)
#parent the setup under the parent nurb curve
pm.parent(path_crv, control_crv)
pm.parent(loc, control_crv)
pm.select(clear=True)
gp = pm.group(name=tread_name + "GP")
pm.select(clear=True)
jnt_gp = pm.group(jnt_lst, name=tread_name + "JNTGP")
pm.xform(gp, translation=loc_pos)
pm.parent(control_crv, gp)
pm.parent(jnt_gp, gp)
# call to create expression function
createTreadExpression(mtnPth=path_anim_list,
runAttr=str(control_crv[0]) + ".run",
speedAttr=str(control_crv[0]) + ".speed",
exp_nm=tread_name)
return None