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visual.py
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from __future__ import print_function, division, absolute_import
from . import crayola as color
from . import materials
import numpy as np
from .rate_control import *
import IPython
if IPython.__version__ >= '4.0.0' :
import ipykernel
from ipykernel.comm import Comm
import notebook
else:
from IPython.kernel.comm import Comm
import IPython.html.nbextensions
from IPython.display import HTML
from IPython.display import display, display_html, display_javascript
from IPython.display import Javascript
from IPython.core.getipython import get_ipython
import time
import math
import uuid
import inspect
from time import clock
import os
import datetime, threading
import collections
import copy
import sys
import weakref
from numpy import zeros, random
import platform
glowlock = threading.Lock()
class RateKeeper2(RateKeeper):
def __init__(self, interactPeriod=INTERACT_PERIOD, interactFunc=simulateDelay):
self.active = False
self.send = False
self.sz = 0
self.sendcnt = 0
self.rval = 1
super(RateKeeper2, self).__init__(interactPeriod=interactPeriod, interactFunc=interactFunc)
def sendtofrontend(self):
self.active = True
if self.send:
with glowlock:
try:
if (len(baseObj.cmds) > 0):
a = copy.copy(baseObj.cmds)
l = len(a)
baseObj.glow.comm.send(list(a))
a.clear()
while l > 0:
del baseObj.cmds[0]
l -= 1
l = self.sz
req = commcmds[:l]
baseObj.glow.comm.send(req)
finally:
self.send = False
self.sendcnt = 0
self.sz = 0
# Check if events to process from front end
if IPython.__version__ >= '3.0.0' :
kernel = get_ipython().kernel
parent = kernel._parent_header
ident = kernel._parent_ident
kernel.do_one_iteration()
kernel.set_parent(ident, parent)
def __call__(self, maxRate = 100):
if (self.rval != maxRate) and (maxRate >= 1.0):
with glowlock:
self.rval = maxRate
super(RateKeeper2, self).__call__(maxRate)
if sys.version > '3':
long = int
ifunc = simulateDelay(delayAvg = 0.001)
rate = RateKeeper2(interactFunc = ifunc)
display(HTML("""<div id="scene0"><div id="glowscript" class="glowscript"></div></div>"""))
package_dir = os.path.dirname(__file__)
if IPython.__version__ >= '4.0.0' :
notebook.nbextensions.install_nbextension(path = package_dir+"/data/jquery-ui.custom.min.js",overwrite = True,user = True,verbose = 0)
notebook.nbextensions.install_nbextension(path = package_dir+"/data/glow.1.1.min.js",overwrite = True,user = True,verbose = 0)
notebook.nbextensions.install_nbextension(path = package_dir+"/data/glowcomm.js",overwrite = True,user = True,verbose = 0)
elif IPython.__version__ >= '3.0.0' :
IPython.html.nbextensions.install_nbextension(path = package_dir+"/data/jquery-ui.custom.min.js",overwrite = True,user = True,verbose = 0)
IPython.html.nbextensions.install_nbextension(path = package_dir+"/data/glow.1.1.min.js",overwrite = True,user = True,verbose = 0)
IPython.html.nbextensions.install_nbextension(path = package_dir+"/data/glowcomm.js",overwrite = True,user = True,verbose = 0)
else:
IPython.html.nbextensions.install_nbextension(files = [package_dir+"/data/jquery-ui.custom.min.js",package_dir+"/data/glow.1.1.min.js",package_dir+"/data/glowcomm.js"],overwrite=True,verbose=0)
object_registry = {} # GUID -> Instance
callback_registry = {} # GUID -> Callback
_id2obj_dict = weakref.WeakValueDictionary()
def remember(obj):
oid = id(obj)
_id2obj_dict[oid] = obj
return oid
def id2obj(oid):
return _id2obj_dict[oid]
class baseObj(object):
txtime = 0.0
idx = 0
qSize = 512 # default to 500
qTime = 0.034 # default to 0.05
glow = None
cmds = collections.deque()
updtobjs = set()
objCnt = 0
def __init__(self, **kwargs):
guid = str(uuid.uuid4())
object_registry[guid] = self
object.__setattr__(self, 'guid', guid)
object.__setattr__(self, 'idx', baseObj.objCnt)
object.__setattr__(self, 'attrsupdt', set())
object.__setattr__(self, 'oid', remember(self))
if kwargs is not None:
for key, value in kwargs.items():
object.__setattr__(self, key, value)
baseObj.incrObjCnt()
if(canvas.get_selected() != None):
canvas.get_selected().objects.append(self)
def delete(self):
baseObj.decrObjCnt()
cmd = {"cmd": "delete", "idx": self.idx}
if (baseObj.glow != None):
baseObj.glow.comm.send([cmd])
else:
self.appendcmd(cmd)
#baseObj.cmds.append(cmd)
def appendcmd(self,cmd):
if (baseObj.glow != None):
baseObj.glow.comm.send([cmd])
else:
baseObj.cmds.append(cmd)
def addattr(self, name):
# New-way to use a lock
#with glowlock:
self.attrsupdt.add(name)
baseObj.updtobjs.add(self.oid)
@classmethod
def incrObjCnt(cls):
cls.objCnt += 1
@classmethod
def decrObjCnt(cls):
cls.objCnt -= 1
def __del__(self):
cmd = {"cmd": "delete", "idx": self.idx}
if (baseObj.glow != None):
baseObj.glow.comm.send([cmd])
else:
self.appendcmd(cmd)
commcmds = []
for i in range(baseObj.qSize):
commcmds.append({"idx": -1, "attr": 'dummy', "val": 0})
updtobjs2 = set()
next_call = time.time()
def commsend():
global next_call, commcmds, updtobjs2, glowlock, rate
with glowlock:
try:
if (baseObj.glow != None):
if (len(baseObj.cmds) > 0) and (not rate.active):
#print("commsend len(baseObj.cmds) > 0")
a = copy.copy(baseObj.cmds)
l = len(a)
baseObj.glow.comm.send(list(a))
a.clear()
while l > 0:
del baseObj.cmds[0]
l -= 1
l = rate.sz if (rate.send == True) else 0
if (l > 0):
rate.sendcnt += 1
thresh = math.ceil(30.0/rate.rval) * 2 + 1
if (rate.sendcnt > thresh ):
rate.send = False
rate.sz = 0
rate.active = False # rate fnc no longer appears to be being called
else:
rate.sendcnt = 0
if(len(updtobjs2) == 0):
updtobjs2 = baseObj.updtobjs.copy()
baseObj.updtobjs.clear()
if l < baseObj.qSize:
while updtobjs2:
oid = updtobjs2.pop()
ob = id2obj(oid)
if (ob is not None) and (hasattr(ob,'attrsupdt')) and (len(ob.attrsupdt) > 0 ):
while ob.attrsupdt:
attr = ob.attrsupdt.pop()
if attr is not None:
attrval = getattr(ob,attr)
if attrval is not None:
if attr in ['axis','pos','up','axis_and_length','center','forward','origin']:
attrvalues = attrval.value
if attrvalues is not None:
commcmds[l]['idx'] = ob.idx
commcmds[l]['attr'] = attr
commcmds[l]['val'] = attrvalues
elif attr == 'size':
if hasattr(ob,'size_units'):
commcmds[l]['idx'] = ob.idx
commcmds[l]['attr'] = attr
commcmds[l]['val'] = attrval
else:
attrvalues = attrval.value
if attrvalues is not None:
commcmds[l]['idx'] = ob.idx
commcmds[l]['attr'] = attr
commcmds[l]['val'] = attrvalues
elif attr in ['range','scale']:
attrvalues = attrval[0]
if attrvalues is not None:
commcmds[l]['idx'] = ob.idx
commcmds[l]['attr'] = attr
commcmds[l]['val'] = attrvalues
else:
commcmds[l]['idx'] = ob.idx
commcmds[l]['attr'] = attr
commcmds[l]['val'] = attrval
l += 1
if l >= baseObj.qSize:
if (len(ob.attrsupdt) > 0):
updtobjs2.add(ob.oid)
break
if l >= baseObj.qSize:
#l = 0
break
if l > 0:
if not rate.active:
l = l if (l <= baseObj.qSize) else baseObj.qSize
baseObj.glow.comm.send(commcmds[:l])
else:
rate.sz = l if (l <= baseObj.qSize) else baseObj.qSize
rate.send = True
finally:
next_call = next_call+0.03333
tmr = next_call - time.time()
if tmr < 0.0:
tmr = 0.03333
next_call = time.time()+tmr
threading.Timer(tmr, commsend ).start()
commsend()
class AllMyFields(object):
def __init__(self, dictionary):
for k, v in dictionary.items():
setattr(self, k, v)
class GlowWidget(object):
def __init__(self, comm, msg):
self.comm = comm
self.comm.on_msg(self.handle_msg)
self.comm.on_close(self.handle_close)
baseObj.glow = self
def handle_msg(self, msg):
data = msg['content']['data']
if 'callback' in data:
guid = data['callback']
callback = callback_registry[guid]
args = data['arguments']
#args = json.loads(data['arguments'])
#args = [self.parse_object(a) for a in args]
#self.comm.send([{'cmd': 'debug', 'data': data}])
#cmd = {'cmd': 'debug', 'data': data}
#baseObj.cmds.append(cmd)
evt = {}
evt['pos'] = tuple(args[0]['pos'])
evt['type'] = args[0]['type']
evt['which'] = args[0]['which']
evt['event'] = args[0]['type']
evt['button'] = 'left' if evt['which'] == 1 else 'right' if evt['which'] == 2 else 'middle'
evt['pickpos'] = args[0]['mouse']['pickpos']
if 'pickguid' in args[0]['mouse']:
pickguid = args[0]['mouse']['pickguid']
evt['pick'] = object_registry[pickguid]
else:
evt['pick'] = None
"""
mouse = {}
if 'pickguid' in args[0]['mouse']:
pickguid = args[0]['mouse']['pickguid']
mouse['pick'] = object_registry[pickguid]
else:
mouse['pick'] = None
#mouse['pickpos'] = args[0]['mouse']['pickpos']
#mouse['ray'] = args[0]['mouse']['ray']
#mouse['alt'] = args[0]['mouse']['alt']
mouse['ctrl'] = args[0]['mouse']['ctrl']
mouse['shift'] = args[0]['mouse']['shift']
evt['mouse'] = AllMyFields(mouse)
"""
mouse = Mouse(pos = vector(evt['pos']), pick = evt['pick'], pickpos = vector(args[0]['mouse']['pickpos']), alt = args[0]['mouse']['alt'], ctrl = args[0]['mouse']['ctrl'],
shift = args[0]['mouse']['shift'])
evt['mouse'] = mouse
if 'scene' in data:
sguid = data['scene']
object_registry[sguid].mouse = mouse
tp = inspect.getargspec(callback) # named tuple of callback args (args, varargs, keywords, defaults)
if (len(tp.args) == 0) and (tp.varargs == None) and (tp.keywords == None) and (tp.defaults == None):
callback()
elif (len(tp.args) == 1) and (tp.varargs == None) and (tp.keywords == None) and (tp.defaults == None):
callback(AllMyFields(evt))
elif (len(tp.args) >= 2) and (tp.varargs == None) and (tp.keywords == None) and (tp.defaults == None):
addArgs = self.parse_object(args[1])
if type(addArgs) is list:
callback(AllMyFields(evt),*addArgs)
else:
callback(AllMyFields(evt), addArgs)
elif (len(tp.args) == 1) and (tp.varargs != None) and (tp.keywords == None) and (tp.defaults == None):
if len(data['arguments']) > 1:
addArgs = self.parse_object(args[1])
if type(addArgs) is list:
callback(AllMyFields(evt),*addArgs)
else:
ta = [addArgs]
callback(AllMyFields(evt),*ta)
else:
callback(AllMyFields(evt))
elif (len(tp.args) == 0) and (tp.varargs != None) and (tp.keywords == None) and (tp.defaults == None):
if len(data['arguments']) > 1:
addArgs = self.parse_object(args[1])
ta = [AllMyFields(evt),addArgs]
callback(*ta)
else:
ta = [AllMyFields(evt)]
callback(*ta)
else:
#cmd = {'cmd': 'debug', 'data': {'cb_called': False}}
#baseObj.cmds.append(cmd)
pass
def handle_close(self, data):
print ("Comm closed")
def get_execution_count(self):
return get_ipython().execution_count
def parse_object(self, obj):
if type(obj) in [str, int, long, bool, float, tuple, complex]:
return obj
elif isinstance(obj, collections.Sequence):
if type(obj) is list:
lst = []
for itm in obj:
if isinstance(itm, collections.Sequence) and ('guido' in itm):
lst.append(object_registry[itm['guido']])
else:
lst.append(itm)
if (len(lst) == 3) and (type(lst[0]) in [int, long, float]) and (type(lst[1]) in [int, long, float]) and (type(lst[2]) in [int, long, float]):
return tuple(lst)
return lst
elif 'guido' in obj:
return object_registry[obj['guido']]
return obj
if IPython.__version__ >= '3.0.0' :
get_ipython().kernel.comm_manager.register_target('glow', GlowWidget)
else:
get_ipython().comm_manager.register_target('glow', GlowWidget)
display(Javascript("""require.undef("nbextensions/glow.1.0.min");"""))
display(Javascript("""require.undef("nbextensions/jquery-ui.custom.min");"""))
display(Javascript("""require.undef("nbextensions/glow.1.1.min");"""))
display(Javascript("""require.undef("nbextensions/glowcomm");"""))
display(Javascript("""require(["nbextensions/glowcomm"], function(){console.log("glowcomm loaded");})"""))
get_ipython().kernel.do_one_iteration()
class vector(object):
'vector class'
def __init__(self, x=(0.,0.,0.), y=0., z=0.):
if isinstance(x, (int, long, float)) and isinstance(y, (int, long, float)) and isinstance(z, (int, long, float)):
self._value = [x,y,z]
elif isinstance(x, (complex)) or isinstance(y, (complex)) or isinstance(z, (complex)):
raise Exception("ArgumentError: complex argument not supported for vector(arg0,arg1,arg2)")
else:
self._value = [x[0],x[1],x[2]]
#self.__dict__['shape'] = (3L,) # python 2
#self.__dict__['shape'] = (3,) # python 3K
self.shape = (3,) # python 3K
def __str__(self):
return '<%f, %f, %f>' % (self.x, self.y, self.z)
def __repr__(self):
return '<%f, %f, %f>' % (self.x, self.y, self.z)
def __array__(self, dtypes = [None]):
return np.array((self.x, self.y, self.z), dtype = dtypes[0])
def __add__(self,other):
if type(other) in [np.ndarray, tuple, list]:
return vector(self.x + other[0], self.y + other[1], self.z + other[2])
else:
return vector(self.x + other.x, self.y + other.y, self.z + other.z)
def __sub__(self,other):
if type(other) in [np.ndarray, tuple, list]:
return vector(self.x - other[0], self.y - other[1], self.z - other[2])
else:
return vector(self.x - other.x, self.y - other.y, self.z - other.z)
def __mul__(self, other):
if isinstance(other, (int, long, float)):
return vector(self.x * other, self.y * other, self.z * other)
elif isinstance(other, (complex)):
raise Exception("TypeError: unsupported operand type(s) for *: 'complex' and 'vector'")
return self
def __rmul__(self, other):
if isinstance(other, (int, long, float)):
return vector(self.x * other, self.y * other, self.z * other)
elif isinstance(other, (complex)):
raise Exception("TypeError: unsupported operand type(s) for *: 'complex' and 'vector'")
return self
def __div__(self, other):
if isinstance(other, (int, long, float)):
return vector(self.x / other, self.y / other, self.z / other)
elif isinstance(other, (complex)):
raise Exception("TypeError: unsupported operand type(s) for /: 'complex' and 'vector'")
return self
def __truediv__(self, other):
if isinstance(other, (int, long, float)):
return vector(self.x / other, self.y / other, self.z / other)
elif isinstance(other, (complex)):
raise Exception("TypeError: unsupported operand type(s) for /: 'complex' and 'vector'")
return self
def __neg__(self):
return vector(-1.*self.x, -1.*self.y, -1.*self.z)
def __getitem__(self,key):
if key == 0:
return self._value[0]
elif key == 1:
return self._value[1]
elif key == 2:
return self._value[2]
else:
return
def __setitem__(self,key,value):
if key == 0:
if self._value[0] != value:
self._value[0] = value
self.on_change()
elif key == 1:
if self._value[1] != value:
self._value[1] = value
self.on_change()
elif key == 2:
if self._value[2] != value:
self._value[2] = value
self.on_change()
def norm(self):
smag = self.mag
if (smag > 0.):
return self / self.mag
else:
return vector(0.,0.,0.)
def dot(self,other):
if type(other) is np.ndarray:
return np.dot(np.array([self.x,self.y,self.z]),other)
else:
return np.dot(np.array([self.x,self.y,self.z]),np.array([other.x,other.y,other.z]))
def cross(self,other):
if type(other) is np.ndarray:
return vector(np.cross(np.array([self.x,self.y,self.z]),other))
elif (type(other) is tuple) or (type(other) is list):
return vector(np.cross(np.array([self.x,self.y,self.z]),np.array(other)))
else:
return vector(np.cross(np.array([self.x,self.y,self.z]),np.array([other.x,other.y,other.z])))
def proj(self,other):
normB = other.norm()
return self.dot(normB) * normB
def comp(self,other):
normB = other.norm()
return self.dot(normB) * normB
def diff_angle(self, other):
return np.arccos(np.clip(self.norm().dot(other.norm()),-1.,1.))
def rotate(self,angle = 0.,axis = (0,0,1)):
if type(axis) is np.ndarray:
axis = axis/math.sqrt(np.dot(axis,axis))
elif (type(axis) is tuple) or (type(axis) is list):
axis = np.array(axis)
axis = axis/math.sqrt(np.dot(axis,axis))
else:
axis = axis/math.sqrt(axis.dot(axis))
axis = np.array([axis.x,axis.y,axis.z])
c = math.cos(angle)
s = math.sin(angle)
t = 1-c
u = norm(axis)
x = u.x
y = u.y
z = u.z
mat = np.array([ [t*x*x+c, t*x*y-z*s, t*x*z+y*s],
[t*x*y+z*s, t*y*y+c, t*y*z-x*s],
[t*x*z-y*s, t*y*z+x*s, t*z*z+c] ])
v = np.array([self.x,self.y,self.z])
res = np.dot(mat,v)
return vector(res)
def astuple(self):
return (self.x,self.y,self.z)
def keys(self):
return [0,1,2]
def values(self):
return [self.x,self.y,self.z]
def set_values(self, xyz=(0.,0.,0.)):
self._value = [value[0], value[1], value[2]]
@property
def value(self):
return self._value
@value.setter
def value(self,value):
self._value = [value[0], value[1], value[2]]
@property
def x(self):
return self._value[0]
@x.setter
def x(self,value):
if self._value[0] != value:
self._value[0] = value
self.on_change()
@property
def y(self):
return self._value[1]
@y.setter
def y(self,value):
if self._value[1] != value:
self._value[1] = value
self.on_change()
@property
def z(self):
return self._value[2]
@z.setter
def z(self,value):
if self._value[2] != value:
self._value[2] = value
self.on_change()
@property
def mag(self):
return np.linalg.norm(np.array(self._value))
@mag.setter
def mag(self,value):
normA = self.norm()
self._value[0] = value * normA.x
self._value[1] = value * normA.y
self._value[2] = value * normA.z
self.on_change()
@property
def mag2(self):
return self.mag*self.mag
@mag2.setter
def mag2(self,value):
normA = self.norm()
self._value[0] = math.sqrt(value) * normA.x
self._value[1] = math.sqrt(value) * normA.y
self._value[2] = math.sqrt(value) * normA.z
self.on_change()
def on_change(self):
pass
def mag(A):
if (type(A) is np.ndarray) or (type(A) is tuple) or (type(A) is list):
return vector(A).mag
else:
return A.mag
def mag2(A):
if (type(A) is np.ndarray) or (type(A) is tuple) or (type(A) is list):
return vector(A).mag2
else:
return A.mag2
def norm(A):
if (type(A) is np.ndarray) or (type(A) is tuple) or (type(A) is list):
return vector(A).norm()
else:
return A.norm()
def dot(A,B):
if (type(A) is np.ndarray) or (type(A) is tuple) or (type(A) is list):
return vector(A).dot(B)
else:
return A.dot(B)
def cross(A,B):
if (type(A) is np.ndarray) or (type(A) is tuple) or (type(A) is list):
return vector(A).cross(B)
else:
return A.cross(B)
def proj(A,B):
if (type(A) is np.ndarray) or (type(A) is tuple) or (type(A) is list):
return vector(A).proj(B)
else:
return A.proj(B)
def comp(A,B):
if (type(A) is np.ndarray) or (type(A) is tuple) or (type(A) is list):
return vector(A).comp(B)
else:
return A.comp(B)
def diff_angle(A,B):
if (type(A) is np.ndarray) or (type(A) is tuple) or (type(A) is list):
return vector(A).diff_angle(B)
else:
return A.diff_angle(B)
def rotate(A,angle = 0.,axis = (0,0,1)):
if (type(A) is np.ndarray) or (type(A) is tuple) or (type(A) is list):
return vector(A).rotate(angle,axis)
else:
return A.rotate(angle,axis)
def astuple(A):
if (type(A) is np.ndarray) or (type(A) is tuple) or (type(A) is list):
return vector(A).astuple()
else:
return A.astuple()
class baseAttrs(baseObj):
def __init__(self, pos=(0.,0.,0.), x=0., y=0., z=0., axis=(1.,0.,0.), size=(1.,1.,1.), visible=True,
up=(0.,1.,0.), color=(1.,1.,1.), red=1., green=1., blue=1., frame=None, display=None, **kwargs):
super(baseAttrs, self).__init__(**kwargs)
if (x != 0.) or (y != 0.) or (z != 0.):
pos = vector(x,y,z) if type(pos) is tuple else pos
else:
x = pos[0]
y = pos[1]
z = pos[2]
if (red != 1.) or (green != 1.) or (blue != 1.):
color = (red,green,blue)
else:
red = color[0]
green = color[1]
blue = color[2]
self._pos = vector(pos) if type(pos) in [tuple, list, np.ndarray] else pos
self._x = x
self._y = y
self._z = z
self._axis = vector(axis) if type(axis) in [tuple, list, np.ndarray] else axis
self._size = vector(size) if type(size) in [tuple, list, np.ndarray] else size
self._up = vector(up) if type(up) in [tuple, list, np.ndarray] else up
self._color = color
self._red = red
self._green = green
self._blue = blue
self._visible = visible
self._display = display
self._frame = frame
self._pos.on_change = self._on_pos_change
self._axis.on_change = self._on_axis_change
self._size.on_change = self._on_size_change
self._up.on_change = self._on_up_change
@property
def size(self):
return self._size
@size.setter
def size(self,value):
self._size.value = value
self.addattr('size')
@property
def axis(self):
return self._axis
@axis.setter
def axis(self,value):
self._axis.value = value
self.addattr('axis')
@property
def up(self):
return self._up
@up.setter
def up(self,value):
self._up.value = value
self.addattr('up')
@property
def pos(self):
return self._pos
@pos.setter
def pos(self,value):
self._pos.value = value
self.addattr('pos')
@property
def x(self):
return self._pos[0]
@x.setter
def x(self,value):
self._pos[0] = value
self.addattr('pos')
@property
def y(self):
return self._pos[1]
@y.setter
def y(self,value):
self._pos[1] = value
self.addattr('pos')
@property
def z(self):
return self._pos[2]
@z.setter
def z(self,value):
self._pos[2] = value
self.addattr('pos')
@property
def color(self):
return self._color
@color.setter
def color(self,value):
self._color = value
self.addattr('color')
@property
def red(self):
return self._color[0]
@red.setter
def red(self,value):
self._color = (value,self.green,self.blue)
self.addattr('color')
@property
def green(self):
return self._color[1]
@green.setter
def green(self,value):
self._color = (self.red,value,self.blue)
self.addattr('color')
@property
def blue(self):
return self._color[2]
@blue.setter
def blue(self,value):
self._color = (self.red,self.green,value)
self.addattr('color')
@property
def visible(self):
return self._visible
@visible.setter
def visible(self,value):
self._visible = value
self.addattr('visible')
@property
def display(self):
return self._display
@display.setter
def display(self,value):
self._display = value
@property
def frame(self):
return self._frame
@frame.setter
def frame(self,value):
self._frame = value
def rotate(self, angle=math.pi/4, axis=None, origin=None):
if axis == None:
rotaxis = self.axis
else:
rotaxis = norm(vector(axis)) if type(axis) in [tuple, list, np.ndarray] else axis
if origin == None:
origin = self.pos
else:
origin = vector(origin) if type(origin) in [tuple, list, np.ndarray] else origin
self.pos = origin+(self.pos-origin).rotate(angle, rotaxis)
axis = self.axis
X = norm(axis)
Y = self.up
Z = X.cross(Y)
if Z.dot(Z) < 1e-10:
Y = vector(1,0,0)
Z = X.cross(Y)
if Z.dot(Z) < 1e-10:
Y = vector(0,1,0)
self.axis = axis.rotate(angle, rotaxis)
self.up = Y.rotate(angle, rotaxis)
def _on_pos_change(self):
self.addattr('pos')
def _on_axis_change(self):
self.addattr('axis')
def _on_size_change(self):
self.addattr('size')
def _on_up_change(self):
self.addattr('up')
class baseAttrs2(baseAttrs):
def __init__(self, pos=(0.,0.,0.), x=0., y=0., z=0., axis=(1.,0.,0.), size=(1.,1.,1.), visible=True,
up=(0.,1.,0.), color=(1.,1.,1.), red=1., green=1., blue=1., frame=None, display=None, material=None,
opacity=1.0, **kwargs):
super(baseAttrs2, self).__init__(pos=pos, axis=axis, size=size, up=up, color=color, red=red, green=green, blue=blue,
x=x, y=y, z=z, frame=frame, display=display, visible=visible, **kwargs)
self._texture = None
self._opacity = opacity
self._shininess = 0.6
self._emissive = False
self._material = material
if (material != None):
if (material == materials.emissive):
self._emissive = True
elif (material == materials.plastic):
self._emissive = False
else:
pass
@property
def opacity(self):
return self._opacity
@opacity.setter
def opacity(self,value):
self._opacity = value
self.addattr('opacity')
@property
def emissive(self):
return self._emissive
@emissive.setter
def emissive(self,value):
self._emissive = value
self.addattr('emissive')
@property
def texture(self):
return self._texture
@texture.setter
def texture(self,value):
self._texture = value
@property
def shininess(self):
return self._shininess
@shininess.setter
def shininess(self,value):
self._shininess = value
@property
def material(self):
return self._material
@material.setter
def material(self,value):
self._material = value
if (value == materials.emissive):
self.emissive = True
elif (value == materials.plastic):
self.emissive = False
else:
self.emissive = False
def __del__(self):
super(baseAttrs2, self).__del__()
class trailAttrs(baseAttrs2):
def __init__(self, pos=(0.,0.,0.), x=0., y=0., z=0., axis=(1.,0.,0.), size=(1.,1.,1.), visible=True,
up=(0.,1.,0.), color=(1.,1.,1.), red=1., green=1., blue=1., frame=None, display=None, material=None,
opacity=1.0, make_trail=False, trail_type="curve", interval=1, retain=-1, **kwargs):
super(trailAttrs, self).__init__(pos=pos, axis=axis, size=size, up=up, color=color, red=red, green=green,
blue=blue, x=x, y=y, z=z, frame=frame, display=display, visible=visible,
material=material, opacity=opacity, **kwargs)
self._make_trail = make_trail
if (trail_type not in ['curve', 'points']):
raise Exception("ArgumentError: trail_type must be 'curve' or 'points'")
self._trail_type = trail_type
self._interval = interval
self._retain = retain
@property
def make_trail(self):
return self._make_trail
@make_trail.setter
def make_trail(self,value):
self._make_trail = value
self.addattr('make_trail')
@property
def trail_type(self):
return self._trail_type
@trail_type.setter
def trail_type(self,value):
if (value not in ['curve', 'points']):
raise Exception("ArgumentError: trail_type must be 'curve' or 'points'")
self._trail_type = value
self.addattr('trail_type')
@property
def interval(self):
return self._interval
@interval.setter