def setup(self, axis=None):
"""
sets up the initial state of the pair node
"""
if axis:
axis = abs(Axis(axis))
setAttr("%s.axis" % self.node, axis)
# if we have two controls try to auto determine the orientAxis and the flipAxes
if self.controlA and self.controlB:
worldMatrixA = getWorldRotMatrix(self.controlA)
worldMatrixB = getWorldRotMatrix(self.controlB)
# so restPoseB = restPoseA * offsetMatrix
# restPoseAInv * restPoseB = restPoseAInv * restPoseA * offsetMatrix
# restPoseAInv * restPoseB = I * offsetMatrix
# thus offsetMatrix = restPoseAInv * restPoseB
offsetMatrix = worldMatrixA.inverse() * worldMatrixB
AXES = AX_X.asVector(), AX_Y.asVector(), AX_Z.asVector()
flippedAxes = []
for n in range(3):
axisNVector = Vector(offsetMatrix[n][:3])
# if the axes are close to being opposite, then consider it a flipped axis...
if axisNVector.dot(AXES[n]) < -0.8:
flippedAxes.append(n)
for n, flipAxes in enumerate(self.FLIP_AXES):
if tuple(flippedAxes) == flipAxes:
setAttr("%s.flipAxes" % self.node, n)
break
# this is a bit of a hack - and not always true, but generally singular controls built by skeleton builder will work with this value
elif self.controlA:
setAttr("%s.flipAxes" % self.node, 1)
self.setWorldSpace(False)
def setup(self, axis=None):
'''
sets up the initial state of the pair node
'''
if axis:
axis = abs(Axis(axis))
setAttr('%s.axis' % self.node, axis)
#if we have two controls try to auto determine the orientAxis and the flipAxes
if self.controlA and self.controlB:
worldMatrixA = getWorldRotMatrix(self.controlA)
worldMatrixB = getWorldRotMatrix(self.controlB)
#so restPoseB = restPoseA * offsetMatrix
#restPoseAInv * restPoseB = restPoseAInv * restPoseA * offsetMatrix
#restPoseAInv * restPoseB = I * offsetMatrix
#thus offsetMatrix = restPoseAInv * restPoseB
offsetMatrix = worldMatrixA.inverse() * worldMatrixB
AXES = AX_X.asVector(), AX_Y.asVector(), AX_Z.asVector()
flippedAxes = []
for n in range(3):
axisNVector = Vector(offsetMatrix[n][:3])
#if the axes are close to being opposite, then consider it a flipped axis...
if axisNVector.dot(AXES[n]) < -0.8:
flippedAxes.append(n)
for n, flipAxes in enumerate(self.FLIP_AXES):
if tuple(flippedAxes) == flipAxes:
setAttr('%s.flipAxes' % self.node, n)
break
#this is a bit of a hack - and not always true, but generally singular controls built by skeleton builder will work with this value
elif self.controlA:
setAttr('%s.flipAxes' % self.node, 1)
self.setWorldSpace(False)
import numpy as np from vectors import Point, Vector import functools v1 = Vector(1, 2, 3) v2 = Vector(10, 20, 30) print(v1.add(10)) print(v1.sum(v2)) # displays <1 22 33> print(v1.magnitude()) #We can multiply a vector by a real number. print(v2.multiply(4)) #=> Vector(4.0, 8.0, 12.0) print(v1.dot(v2)) print(v1.dot(v2, 180)) print(v1.cross(v2)) print(v1.angle(v2)) print(v1.parallel(v2)) print(v1.perpendicular(v2)) #print(v1.non_parallel(v2))
