Введение в написание скриптов на Питоне для Блендера 2.5x. Примеры кода

 self.offset = Vector((0,0,0))
 if parent:
 parent.children.append(self)
 self.channels = []
 self.matrix = None
 self.inverse = None
 return

 def __repr__(self):
 return "CNode %s" % (self.name)

 def display(self, pad):
 vec = self.offset
 if vec.length < Epsilon:
 c = '*'
 else: c = ' '
 print("%s%s%10s (%8.3f %8.3f %8.3f)" %
 (c, pad, self.name, vec[0], vec[1], vec[2]))
 for child in self.children:
 child.display(pad+" ")
 return

 def build(self, amt, orig, parent):
 self.head = orig + self.offset
 if not self.children:
 return self.head

 zero = (self.offset.length < Epsilon)
 eb = amt.edit_bones.new(self.name)
 if parent:
 eb.parent = parent
 eb.head = self.head
 tails = Vector((0,0,0))
 for child in self.children:
 tails += child.build(amt, self.head, eb)
 n = len(self.children)
 eb.tail = tails/n
 (trans,quat,scale) = eb.matrix.decompose
 self.matrix = quat.to_matrix
 self.inverse = self.matrix.copy
 self.inverse.invert
 if zero:
 return eb.tail
 else:
 return eb.head

#
# readBvhFile(context, filepath, rot90, scale):
#

Location = 1
Rotation = 2
Hierarchy = 1
Motion = 2
Frames = 3

Deg2Rad = math.pi/180
Epsilon = 1e-5

def readBvhFile(context, filepath, rot90, scale):
 fileName = os.path.realpath(os.path.expanduser(filepath))
 (shortName, ext) = os.path.splitext(fileName)
 if ext.lower != ".bvh":
 raise NameError("Not a bvh file: " + fileName)
 print( "Loading BVH file "+ fileName )

 time1 = time.clock
 level = 0
 nErrors = 0
 scn = context.scene

 fp = open(fileName, "rU")
 print( "Reading skeleton" )
 lineNo = 0
 for line in fp:
 words= line.split
 lineNo += 1
 if len(words) == 0:
 continue
 key = words[0].upper
 if key == 'HIERARCHY':
 status = Hierarchy
 elif key == 'MOTION':
 if level != 0:
 raise NameError("Tokenizer out of kilter %d" % level)
 amt = bpy.data.armatures.new("BvhAmt")
 rig = bpy.data.objects.new("BvhRig", amt)
 scn.objects.link(rig)
 scn.objects.active = rig
 bpy.ops.object.mode_set(mode='EDIT')
 root.build(amt, Vector((0,0,0)), None)
#root.display('')
 bpy.ops.object.mode_set(mode='OBJECT')
 status = Motion
 elif status == Hierarchy:
 if key == 'ROOT':
 node = CNode(words, None)
 root = node
 nodes = [root]
 elif key == 'JOINT':
 node = CNode(words, node)
 nodes.append(node)
 elif key == 'OFFSET':
 (x,y,z) = (float(words[1]), float(words[2]), float(words[3]))
 if rot90:
 node.offset = scale*Vector((x,-z,y))
 else:
 node.offset = scale*Vector((x,y,z))
 elif key == 'END':
 node = CNode(words, node)
 elif key == 'CHANNELS':
 oldmode = None
 for word in words[2:]:
 if rot90:
 (index, mode, sign) = channelZup(word)
 else:
 (index, mode, sign) = channelYup(word)