76 lines
1.4 KiB
Python
76 lines
1.4 KiB
Python
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# coding=UTF-8
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'''
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Created on 13 nov. 2014
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@author: pclf
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'''
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import math
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class Polar2D(object):
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'''
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classdocs
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'''
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def __init__(self, r, theta):
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'''
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Constructor
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'''
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self.r = r
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self.theta = theta
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def Rotate(self, theta):
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return Polar2D(self.r, self.theta + theta)
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def RotateSelf(self, theta):
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self.theta += theta
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def Zoom(self, r):
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return Polar2D(self.r * r, self.theta)
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def ZoomSelf(self, r):
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self.r *= r
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def RotateZoom(self, r, theta):
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return Polar2D(self.r * r, self.theta + theta)
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def RotateZoomSelf(self, r, theta):
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self.r *= r
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self.theta += theta
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def ToXY(self):
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theta_rd = math.radians(self.theta)
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return Vector2D(self.r * math.sin(theta_rd), - self.r * math.cos(theta_rd))
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class Vector2D(object):
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def __init__(self, x, y):
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self.x = x
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self.y = y
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def __add__(self, other):
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return Vector2D(self.x + other.x, self.y + other.y)
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def __sub__(self, other):
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return Vector2D(self.x - other.x, self.y - other.y)
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# __iadd__ et __isub__ si nécessaire
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def __mul__(self, k):
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return Vector2D(self.x * k, self.y * k)
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def __div__(self, k):
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return Vector2D(self.x / k, self.y / k)
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def ScalarProduct(self, v):
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return self.x*v.x + self.y*v.y
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def Det(self, v):
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return self.x*v.y - self.y*v.x
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def MatrixProduct(self, vx, vy):
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return Vector2D(self.ScalarProduct(vx),self.ScalarProduct(vy))
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def ToTuple(self):
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return (self.x,self.y)
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