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comparison gamelib/misc.py @ 69:18db99fda6bd

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Move spawing code from engine to gameboard - seems more natural.
author Neil Muller <drnlmuller@gmail.com>
date Mon, 31 Aug 2009 22:14:12 +0000
parents
children e90068d1f374
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68:6b8ac424da83 69:18db99fda6bd
1 # Holder for misc useful classes
2
3 class Position(object):
4 """2D position / vector"""
5
6 def __init__(self, x, y):
7 self.x = x
8 self.y = y
9
10 def to_tuple(self):
11 return self.x, self.y
12
13 def dist(self, b):
14 """Gives the distance to another position"""
15
16 return abs(self.x - b.x) + abs(self.y - b.y)
17
18 def __sub__(self, b):
19 return Position(self.x - b.x, self.y - b.y)
20
21 def __add__(self, b):
22 return Position(self.x + b.x, self.y + b.y)
23
24 def left_of(self, b):
25 return self.x < b.x
26
27 def right_of(self, b):
28 return self.x > b.x
29
30 def __eq__(self, b):
31 return self.x == b.x and self.y == b.y