Newer
Older
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
# -*- coding: utf-8 -*-
"""
Vector.py - Extension of QVector3D which adds a few missing methods.
Copyright 2010 Luke Campagnola
Distributed under MIT/X11 license. See license.txt for more infomation.
"""
from .Qt import QtGui, QtCore
import numpy as np
class Vector(QtGui.QVector3D):
"""Extension of QVector3D which adds a few helpful methods."""
def __init__(self, *args):
if len(args) == 1:
if isinstance(args[0], QtCore.QSizeF):
QtGui.QVector3D.__init__(self, float(args[0].width()), float(args[0].height()), 0)
return
elif isinstance(args[0], QtCore.QPoint) or isinstance(args[0], QtCore.QPointF):
QtGui.QVector3D.__init__(self, float(args[0].x()), float(args[0].y()), 0)
elif hasattr(args[0], '__getitem__'):
vals = list(args[0])
if len(vals) == 2:
vals.append(0)
if len(vals) != 3:
raise Exception('Cannot init Vector with sequence of length %d' % len(args[0]))
QtGui.QVector3D.__init__(self, *vals)
return
elif len(args) == 2:
QtGui.QVector3D.__init__(self, args[0], args[1], 0)
return
QtGui.QVector3D.__init__(self, *args)
def __len__(self):
return 3
#def __reduce__(self):
#return (Point, (self.x(), self.y()))
def __getitem__(self, i):
if i == 0:
return self.x()
elif i == 1:
return self.y()
elif i == 2:
return self.z()
else:
raise IndexError("Point has no index %s" % str(i))
def __setitem__(self, i, x):
if i == 0:
return self.setX(x)
elif i == 1:
return self.setY(x)
elif i == 2:
return self.setZ(x)
else:
raise IndexError("Point has no index %s" % str(i))
def __iter__(self):
yield(self.x())
yield(self.y())
yield(self.z())