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comparison python/moving.py @ 105:9844c69d8fa2

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added multiply method to Point
author Nicolas Saunier <nico@confins.net>
date Thu, 14 Jul 2011 19:48:30 -0400
parents 13187af8622d
children 916678481896
comparison
equal deleted inserted replaced
104:13187af8622d 105:9844c69d8fa2
128 def __repr__(self): 128 def __repr__(self):
129 return self.__str__() 129 return self.__str__()
130 130
131 def __sub__(self, other): 131 def __sub__(self, other):
132 return Point(self.x-other.x, self.y-other.y) 132 return Point(self.x-other.x, self.y-other.y)
133
134 def multiply(self, alpha):
135 return Point(self.x*alpha, self.y*alpha)
133 136
134 def draw(self, options = ''): 137 def draw(self, options = ''):
135 from matplotlib.pylab import plot 138 from matplotlib.pylab import plot
136 plot([self.x], [self.y], 'x'+options) 139 plot([self.x], [self.y], 'x'+options)
137 140