def test_operation_priority(self):
v = libFormula.parse("a+3*(6+(3*b))", a=4, b=7)
self.assertEqual(v, 85)
# usage of '-'
v = libFormula.parse("-2^1.0*-1.0+3.3")
self.assertEqual(v, 5.3)
# usage of '-'
v = libFormula.parse("-2*(1.0-(3^(3*-1.0)))")
self.assertAlmostEqual(v, -1.925925925925926)
def test_operation_priority(self):
v = libFormula.parse("a+3*(6+(3*b))", a=4, b=7)
self.assertEqual(v, 85)
# usage of '-'
v = libFormula.parse("-2^1.0*-1.0+3.3")
self.assertEqual(v, 5.3)
# usage of '-'
v = libFormula.parse("-2*(1.0-(3^(3*-1.0)))")
self.assertAlmostEqual(v, -1.925925925925926)
def setup_softik(self, ik_handle_to_constraint, stretch_chains):
"""
Setup the softik system a ik system
:param ik_handle_to_constraint: A list of ik handles to constraint on the soft-ik network.
:param stretch_chains: A list of chains to connect the stretch to.
:return: Nothing
"""
nomenclature_rig = self.get_nomenclature_rig()
oAttHolder = self.ctrl_ik
fnAddAttr = functools.partial(libAttr.addAttr, hasMinValue=True, hasMaxValue=True)
attInRatio = fnAddAttr(oAttHolder, longName='softIkRatio', niceName='SoftIK', defaultValue=0, minValue=0,
maxValue=50, k=True)
attInStretch = fnAddAttr(oAttHolder, longName='stretch', niceName='Stretch', defaultValue=0, minValue=0,
maxValue=1.0, k=True)
# Adjust the ratio in percentage so animators understand that 0.03 is 3%
attInRatio = libRigging.create_utility_node('multiplyDivide', input1X=attInRatio, input2X=0.01).outputX
# Create and configure SoftIK solver
soft_ik_network_name = nomenclature_rig.resolve('softik')
soft_ik_network = SoftIkNode()
soft_ik_network.build(name=soft_ik_network_name)
soft_ik_network.setParent(self.grp_rig)
pymel.connectAttr(attInRatio, soft_ik_network.inRatio)
pymel.connectAttr(attInStretch, soft_ik_network.inStretch)
pymel.connectAttr(self._ikChainGrp.worldMatrix, soft_ik_network.inMatrixS)
pymel.connectAttr(self._ik_handle_target.worldMatrix, soft_ik_network.inMatrixE)
attr_distance = libFormula.parse('distance*globalScale',
distance=self.chain_length,
globalScale=self.grp_rig.globalScale)
pymel.connectAttr(attr_distance, soft_ik_network.inChainLength)
attOutRatio = soft_ik_network.outRatio
attOutRatioInv = libRigging.create_utility_node('reverse', inputX=soft_ik_network.outRatio).outputX
# TODO: Improve softik ratio when using multiple ik handle. Not the same ratio will be used depending of the angle
for handle in ik_handle_to_constraint:
pointConstraint = pymel.pointConstraint(self._ik_handle_target, self._ikChainGrp, handle)
pointConstraint.rename(pointConstraint.stripNamespace().replace('pointConstraint', 'softIkConstraint'))
weight_inn, weight_out = pointConstraint.getWeightAliasList()[-2:] # Ensure to get the latest target added
pymel.connectAttr(attOutRatio, weight_inn)
pymel.connectAttr(attOutRatioInv, weight_out)
# Connect stretch
for stretch_chain in stretch_chains:
for i in range(1, self.iCtrlIndex + 1):
obj = stretch_chain[i]
util_get_t = libRigging.create_utility_node(
'multiplyDivide',
input1X=soft_ik_network.outStretch,
input1Y=soft_ik_network.outStretch,
input1Z=soft_ik_network.outStretch,
input2=obj.t.get()
)
pymel.connectAttr(util_get_t.outputX, obj.tx, force=True)
pymel.connectAttr(util_get_t.outputY, obj.ty, force=True)
pymel.connectAttr(util_get_t.outputZ, obj.tz, force=True)
return soft_ik_network
def test_add_pymel(self):
a, b, c, _, _, _, _, _, _ = self._create_pymel_attrs(1, 2, 3)
result = libFormula.parse('a+b+c', a=a, b=b, c=c)
self.assertEqual(result.get(), 6)
def test_div(self):
v = libFormula.parse('6/2')
self.assertEqual(v, 3)
def test_mul(self):
v = libFormula.parse('2*3')
self.assertEqual(v, 6)
def test_sub(self):
v = libFormula.parse('5-3')
self.assertEqual(v, 2)
def test_add(self):
v = libFormula.parse('2+3')
self.assertEqual(v, 5)
def test_sub(self):
v = libFormula.parse('5-3')
self.assertEqual(v, 2)
def test_mul_pymel(self):
a, b, c, _, _, _, _, _, _ = self._create_pymel_attrs(2, 3, 4)
result = libFormula.parse('a*b*c', a=a, b=b, c=c)
self.assertEqual(result.get(), 24)
def test_sub_pymel(self):
a, b, c, _, _, _, _, _, _ = self._create_pymel_attrs(8, 2, 1)
result = libFormula.parse('a-b-c', a=a, b=b, c=c)
self.assertEqual(result.get(), 5)
def test_add_pymel(self):
a, b, c, _, _, _, _, _, _ = self._create_pymel_attrs(1, 2, 3)
result = libFormula.parse('a+b+c', a=a, b=b, c=c)
self.assertEqual(result.get(), 6)
def test_div(self):
v = libFormula.parse('6/2')
self.assertEqual(v, 3)
def test_mul(self):
v = libFormula.parse('2*3')
self.assertEqual(v, 6)
def test_sub_pymel(self):
a, b, c, _, _, _, _, _, _ = self._create_pymel_attrs(8, 2, 1)
result = libFormula.parse('a-b-c', a=a, b=b, c=c)
self.assertEqual(result.get(), 5)
def setup_softik(self, ik_handle_to_constraint, stretch_chain):
"""
Setup the softik system a ik system
:param ik_handle_to_constraint: The ik handle to constraint on the soft ik network (Can be more than one)
:param stretch_chain: The chain on which the stretch will be connected
:return: Nothing
"""
nomenclature_rig = self.get_nomenclature_rig()
oAttHolder = self.ctrl_ik
fnAddAttr = functools.partial(libAttr.addAttr,
hasMinValue=True,
hasMaxValue=True)
attInRatio = fnAddAttr(oAttHolder,
longName='softIkRatio',
niceName='SoftIK',
defaultValue=0,
minValue=0,
maxValue=50,
k=True)
attInStretch = fnAddAttr(oAttHolder,
longName='stretch',
niceName='Stretch',
defaultValue=0,
minValue=0,
maxValue=1.0,
k=True)
# Adjust the ratio in percentage so animators understand that 0.03 is 3%
attInRatio = libRigging.create_utility_node('multiplyDivide',
input1X=attInRatio,
input2X=0.01).outputX
# Create and configure SoftIK solver
soft_ik_network_name = nomenclature_rig.resolve('softik')
soft_ik_network = SoftIkNode()
soft_ik_network.build(name=soft_ik_network_name)
soft_ik_network.setParent(self.grp_rig)
pymel.connectAttr(attInRatio, soft_ik_network.inRatio)
pymel.connectAttr(attInStretch, soft_ik_network.inStretch)
pymel.connectAttr(self._ikChainGrp.worldMatrix,
soft_ik_network.inMatrixS)
pymel.connectAttr(self._ik_handle_target.worldMatrix,
soft_ik_network.inMatrixE)
attr_distance = libFormula.parse('distance*globalScale',
distance=self.chain_length,
globalScale=self.grp_rig.globalScale)
pymel.connectAttr(attr_distance, soft_ik_network.inChainLength)
attOutRatio = soft_ik_network.outRatio
attOutRatioInv = libRigging.create_utility_node(
'reverse', inputX=soft_ik_network.outRatio).outputX
#TODO: Improve softik ratio when using multiple ik handle. Not the same ratio will be used depending of the angle
for handle in ik_handle_to_constraint:
pointConstraint = pymel.pointConstraint(self._ik_handle_target,
self._ikChainGrp, handle)
pointConstraint.rename(pointConstraint.name().replace(
'pointConstraint', 'softIkConstraint'))
weight_inn, weight_out = pointConstraint.getWeightAliasList()[
-2:] #Ensure to get the latest target added
pymel.connectAttr(attOutRatio, weight_inn)
pymel.connectAttr(attOutRatioInv, weight_out)
# Connect stretch
for i in range(1, self.iCtrlIndex + 1):
obj = stretch_chain[i]
util_get_t = libRigging.create_utility_node(
'multiplyDivide',
input1X=soft_ik_network.outStretch,
input1Y=soft_ik_network.outStretch,
input1Z=soft_ik_network.outStretch,
input2=obj.t.get())
pymel.connectAttr(util_get_t.outputX, obj.tx, force=True)
pymel.connectAttr(util_get_t.outputY, obj.ty, force=True)
pymel.connectAttr(util_get_t.outputZ, obj.tz, force=True)
return soft_ik_network
def test_mul_pymel(self):
a, b, c, _, _, _, _, _, _ = self._create_pymel_attrs(2, 3, 4)
result = libFormula.parse('a*b*c', a=a, b=b, c=c)
self.assertEqual(result.get(), 24)
def test_add(self):
v = libFormula.parse('2+3')
self.assertEqual(v, 5)