In [ ]:
len((3, 34, 3))
len('sfdjfdjfkd')
In [ ]:
class Point(object):
'''This is a Point in 2/3D space.
You can use .u ro .v for a uv point'''
def __init__(self, x=0, y=0, z=0):
self.x = x
self.y = y
self.z = z
def __len__(self):
return 3
def __getattribute__(self, name):
if name == 'u':
return self.x
elif name == 'v':
return self.y
return super(Point, self).__getattribute__(name)
def __setattr__(self, name, value):
if name == 'u':
self.x = value
elif name == 'v':
self.y = value
super(Point, self).__setattr__(name, value)
def __mul__(self, other):
if isinstance(other, int) or isinstance(other, float):
self.x *= other
self.y *= other
self.z *= other
else:
raise TypeError("must mul with int or float type")
return self
def __rmul__(self, other):
return self * other
def __div__(self, other):
if isinstance(other, int) or isinstance(other, float):
self.x /= other
self.y /= other
self.z /= other
else:
raise TypeError("must mul with int or float type")
return self
def __rdiv__(self, other):
return self / other
def __add__(self, other):
if isinstance(other, int) or isinstance(other, float):
self.x += other
self.y += other
self.z += other
elif isinstance(other, Point):
self.x += other.x
self.y += other.y
self.z += other.z
else:
raise TypeError("must mul with int or float type")
return self
def __radd__(self, other):
return self + other
def __sub__(self, other):
if isinstance(other, int) or isinstance(other, float):
self.x -= other
self.y -= other
self.z -= other
elif isinstance(other, Point):
self.x -= other.x
self.y -= other.y
self.z -= other.z
else:
raise TypeError("must mul with int or float type")
return self
def __rsub__(self, other):
return self - other
def __str__(self):
return "(%d, %d, %d)" % (self.x, self.y, self.z)
def __repr__(self):
return "Point(%d, %d, %d)" % (self.x, self.y, self.z)
@staticmethod
def One():
return Point(1, 1, 1)
In [ ]:
point = Point(1, 2, 3)
len(point)
In [ ]:
class Point(object):
'''This is a Point in 2/3D space.
You can use .u ro .v for a uv point'''
def __init__(self, x=0, y=0, z=0):
self.x = x
self.y = y
self.z = z
def distanceToPoint(self, point):
return ((self.x - point.x) + (self.y - point.y) + (self.z - point.z))
def __len__(self):
return 3
def __getattribute__(self, name):
if name == 'u':
return self.x
elif name == 'v':
return self.y
return super(Point, self).__getattribute__(name)
def __setattr__(self, name, value):
if name == 'u':
self.x = value
elif name == 'v':
self.y = value
super(Point, self).__setattr__(name, value)
def __mul__(self, other):
if isinstance(other, int) or isinstance(other, float):
self.x *= other
self.y *= other
self.z *= other
else:
raise TypeError("must mul with int or float type")
return self
def __rmul__(self, other):
return self * other
def __div__(self, other):
if isinstance(other, int) or isinstance(other, float):
self.x /= other
self.y /= other
self.z /= other
else:
raise TypeError("must mul with int or float type")
return self
def __rdiv__(self, other):
return self / other
def __add__(self, other):
if isinstance(other, int) or isinstance(other, float):
self.x += other
self.y += other
self.z += other
elif isinstance(other, Point):
self.x += other.x
self.y += other.y
self.z += other.z
else:
raise TypeError("must mul with int or float type")
return self
def __radd__(self, other):
return self + other
def __sub__(self, other):
if isinstance(other, int) or isinstance(other, float):
self.x -= other
self.y -= other
self.z -= other
elif isinstance(other, Point):
self.x -= other.x
self.y -= other.y
self.z -= other.z
else:
raise TypeError("must mul with int or float type")
return self
def __rsub__(self, other):
return self - other
def __str__(self):
return "(%d, %d, %d)" % (self.x, self.y, self.z)
def __repr__(self):
return "Point(%d, %d, %d)" % (self.x, self.y, self.z)
@staticmethod
def One():
return Point(1, 1, 1)
In [ ]:
import math
class Vector(Point):
def magnitude(self):
return math.sqrt((self.x * self.x) + (self.y * self.y) + (self.z * self.z))
def __normalize(self):
length = self.magnitude()
x = self.x / length
y = self.y / length
z = self.z / length
return (x, y, z)
def normalize(self):
self.x, self.y, self.z = self.__normalize()
return self
def normalized(self):
x, y, z = self.__normalize()
return Vector(x, y, z)
def __repr__(self):
return "Vector(%d, %d, %d)" % (self.x, self.y, self.z)
In [ ]:
v1 = Vector(1, 2, 3)
print(v1)
v1
In [ ]:
v1.magnitude()
In [ ]:
v1.normalized()
In [ ]:
import math
class Vector(Point):
def __init__(self, x=0.0, y=0.0, z=.0):
super(Vector, self).__init__(x, y, z)
self.x = float(x)
self.y = float(y)
self.z = float(z)
def magnitude(self):
return math.sqrt((self.x * self.x) + (self.y * self.y) + (self.z * self.z))
def __normalize(self):
length = self.magnitude()
x = self.x / length
y = self.y / length
z = self.z / length
#print(x, y, z)
return (x, y, z)
def normalize(self):
self.x, self.y, self.z = self.__normalize()
return self
def normalized(self):
x, y, z = self.__normalize()
return Vector(x, y, z)
def __repr__(self):
return "Vector(%.3f, %.3f, %.3f)" % (self.x, self.y, self.z)
In [ ]:
v1 = Vector(1, 2, 3)
v2 = v1.normalized()
v2
In [ ]:
v2.x
In [ ]:
print(id(v1), id(v2))
In [ ]:
v1.normalize()
In [ ]:
# --------------------------------------------------------------------------------
# Copyright (c) 2013 - 2014 Mack Stone. All rights reserved.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
# --------------------------------------------------------------------------------