parpg-source: bGrease/geometry.py annotate

annotate bGrease/geometry.py @ 178:c706963ed0c3

Made the entities of the current map available in the console.

author	Beliar <KarstenBock@gmx.net>
date	Tue, 06 Mar 2012 15:39:14 +0100
parents	a6bbb732b27b
children

rev	line source
166 a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	1 __version__ = "$Id$"
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	2 __docformat__ = "reStructuredText"
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	3
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	4 import operator
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	5 import math
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	6 import ctypes
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	7
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	8 class Vec2d(ctypes.Structure):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	9 """2d vector class, supports vector and scalar operators,
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	10 and also provides a bunch of high level functions
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	11 """
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	12 __slots__ = ['x', 'y']
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	13
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	14 @classmethod
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	15 def from_param(cls, arg):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	16 return cls(arg)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	17
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	18 def __init__(self, x_or_pair, y = None):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	19
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	20 if y == None:
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	21 self.x = x_or_pair[0]
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	22 self.y = x_or_pair[1]
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	23 else:
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	24 self.x = x_or_pair
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	25 self.y = y
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	26
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	27 def __len__(self):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	28 return 2
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	29
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	30 def __getitem__(self, key):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	31 if key == 0:
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	32 return self.x
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	33 elif key == 1:
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	34 return self.y
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	35 else:
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	36 raise IndexError("Invalid subscript "+str(key)+" to Vec2d")
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	37
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	38 def __setitem__(self, key, value):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	39 if key == 0:
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	40 self.x = value
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	41 elif key == 1:
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	42 self.y = value
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	43 else:
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	44 raise IndexError("Invalid subscript "+str(key)+" to Vec2d")
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	45
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	46 # String representaion (for debugging)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	47 def __repr__(self):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	48 return 'Vec2d(%s, %s)' % (self.x, self.y)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	49
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	50 # Comparison
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	51 def __eq__(self, other):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	52 if hasattr(other, "__getitem__") and len(other) == 2:
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	53 return self.x == other[0] and self.y == other[1]
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	54 else:
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	55 return False
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	56
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	57 def __ne__(self, other):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	58 if hasattr(other, "__getitem__") and len(other) == 2:
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	59 return self.x != other[0] or self.y != other[1]
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	60 else:
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	61 return True
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	62
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	63 def __nonzero__(self):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	64 return self.x or self.y
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	65
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	66 # Generic operator handlers
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	67 def _o2(self, other, f):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	68 "Any two-operator operation where the left operand is a Vec2d"
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	69 if isinstance(other, Vec2d):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	70 return Vec2d(f(self.x, other.x),
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	71 f(self.y, other.y))
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	72 elif (hasattr(other, "__getitem__")):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	73 return Vec2d(f(self.x, other[0]),
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	74 f(self.y, other[1]))
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	75 else:
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	76 return Vec2d(f(self.x, other),
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	77 f(self.y, other))
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	78
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	79 def _r_o2(self, other, f):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	80 "Any two-operator operation where the right operand is a Vec2d"
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	81 if (hasattr(other, "__getitem__")):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	82 return Vec2d(f(other[0], self.x),
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	83 f(other[1], self.y))
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	84 else:
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	85 return Vec2d(f(other, self.x),
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	86 f(other, self.y))
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	87
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	88 def _io(self, other, f):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	89 "inplace operator"
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	90 if (hasattr(other, "__getitem__")):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	91 self.x = f(self.x, other[0])
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	92 self.y = f(self.y, other[1])
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	93 else:
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	94 self.x = f(self.x, other)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	95 self.y = f(self.y, other)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	96 return self
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	97
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	98 # Addition
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	99 def __add__(self, other):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	100 if isinstance(other, Vec2d):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	101 return Vec2d(self.x + other.x, self.y + other.y)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	102 elif hasattr(other, "__getitem__"):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	103 return Vec2d(self.x + other[0], self.y + other[1])
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	104 else:
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	105 return Vec2d(self.x + other, self.y + other)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	106 __radd__ = __add__
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	107
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	108 def __iadd__(self, other):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	109 if isinstance(other, Vec2d):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	110 self.x += other.x
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	111 self.y += other.y
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	112 elif hasattr(other, "__getitem__"):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	113 self.x += other[0]
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	114 self.y += other[1]
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	115 else:
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	116 self.x += other
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	117 self.y += other
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	118 return self
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	119
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	120 # Subtraction
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	121 def __sub__(self, other):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	122 if isinstance(other, Vec2d):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	123 return Vec2d(self.x - other.x, self.y - other.y)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	124 elif (hasattr(other, "__getitem__")):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	125 return Vec2d(self.x - other[0], self.y - other[1])
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	126 else:
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	127 return Vec2d(self.x - other, self.y - other)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	128 def __rsub__(self, other):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	129 if isinstance(other, Vec2d):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	130 return Vec2d(other.x - self.x, other.y - self.y)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	131 if (hasattr(other, "__getitem__")):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	132 return Vec2d(other[0] - self.x, other[1] - self.y)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	133 else:
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	134 return Vec2d(other - self.x, other - self.y)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	135 def __isub__(self, other):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	136 if isinstance(other, Vec2d):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	137 self.x -= other.x
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	138 self.y -= other.y
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	139 elif (hasattr(other, "__getitem__")):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	140 self.x -= other[0]
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	141 self.y -= other[1]
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	142 else:
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	143 self.x -= other
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	144 self.y -= other
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	145 return self
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	146
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	147 # Multiplication
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	148 def __mul__(self, other):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	149 if isinstance(other, Vec2d):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	150 return Vec2d(self.xother.y, self.yother.y)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	151 if (hasattr(other, "__getitem__")):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	152 return Vec2d(self.xother[0], self.yother[1])
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	153 else:
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	154 return Vec2d(self.xother, self.yother)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	155 __rmul__ = __mul__
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	156
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	157 def __imul__(self, other):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	158 if isinstance(other, Vec2d):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	159 self.x *= other.x
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	160 self.y *= other.y
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	161 elif (hasattr(other, "__getitem__")):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	162 self.x *= other[0]
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	163 self.y *= other[1]
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	164 else:
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	165 self.x *= other
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	166 self.y *= other
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	167 return self
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	168
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	169 # Division
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	170 def __div__(self, other):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	171 return self._o2(other, operator.div)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	172 def __rdiv__(self, other):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	173 return self._r_o2(other, operator.div)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	174 def __idiv__(self, other):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	175 return self._io(other, operator.div)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	176
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	177 def __floordiv__(self, other):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	178 return self._o2(other, operator.floordiv)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	179 def __rfloordiv__(self, other):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	180 return self._r_o2(other, operator.floordiv)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	181 def __ifloordiv__(self, other):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	182 return self._io(other, operator.floordiv)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	183
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	184 def __truediv__(self, other):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	185 return self._o2(other, operator.truediv)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	186 def __rtruediv__(self, other):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	187 return self._r_o2(other, operator.truediv)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	188 def __itruediv__(self, other):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	189 return self._io(other, operator.floordiv)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	190
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	191 # Modulo
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	192 def __mod__(self, other):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	193 return self._o2(other, operator.mod)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	194 def __rmod__(self, other):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	195 return self._r_o2(other, operator.mod)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	196
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	197 def __divmod__(self, other):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	198 return self._o2(other, divmod)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	199 def __rdivmod__(self, other):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	200 return self._r_o2(other, divmod)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	201
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	202 # Exponentation
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	203 def __pow__(self, other):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	204 return self._o2(other, operator.pow)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	205 def __rpow__(self, other):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	206 return self._r_o2(other, operator.pow)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	207
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	208 # Bitwise operators
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	209 def __lshift__(self, other):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	210 return self._o2(other, operator.lshift)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	211 def __rlshift__(self, other):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	212 return self._r_o2(other, operator.lshift)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	213
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	214 def __rshift__(self, other):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	215 return self._o2(other, operator.rshift)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	216 def __rrshift__(self, other):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	217 return self._r_o2(other, operator.rshift)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	218
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	219 def __and__(self, other):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	220 return self._o2(other, operator.and_)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	221 __rand__ = __and__
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	222
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	223 def __or__(self, other):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	224 return self._o2(other, operator.or_)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	225 __ror__ = __or__
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	226
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	227 def __xor__(self, other):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	228 return self._o2(other, operator.xor)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	229 __rxor__ = __xor__
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	230
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	231 # Unary operations
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	232 def __neg__(self):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	233 return Vec2d(operator.neg(self.x), operator.neg(self.y))
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	234
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	235 def __pos__(self):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	236 return Vec2d(operator.pos(self.x), operator.pos(self.y))
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	237
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	238 def __abs__(self):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	239 return Vec2d(abs(self.x), abs(self.y))
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	240
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	241 def __invert__(self):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	242 return Vec2d(-self.x, -self.y)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	243
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	244 # vectory functions
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	245 def get_length_sqrd(self):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	246 """Get the squared length of the vector.
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	247 It is more efficent to use this method instead of first call
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	248 get_length() or access .length and then do a sqrt().
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	249
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	250 :return: The squared length
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	251 """
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	252 return self.x2 + self.y2
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	253
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	254 def get_length(self):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	255 """Get the length of the vector.
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	256
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	257 :return: The length
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	258 """
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	259 return math.sqrt(self.x2 + self.y2)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	260 def __setlength(self, value):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	261 length = self.get_length()
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	262 self.x *= value/length
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	263 self.y *= value/length
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	264 length = property(get_length, __setlength, doc = """Gets or sets the magnitude of the vector""")
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	265
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	266 def rotate(self, angle_degrees):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	267 """Rotate the vector by angle_degrees degrees clockwise."""
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	268 radians = -math.radians(angle_degrees)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	269 cos = math.cos(radians)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	270 sin = math.sin(radians)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	271 x = self.xcos - self.ysin
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	272 y = self.xsin + self.ycos
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	273 self.x = x
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	274 self.y = y
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	275
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	276 def rotated(self, angle_degrees):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	277 """Create and return a new vector by rotating this vector by
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	278 angle_degrees degrees clockwise.
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	279
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	280 :return: Rotated vector
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	281 """
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	282 radians = -math.radians(angle_degrees)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	283 cos = math.cos(radians)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	284 sin = math.sin(radians)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	285 x = self.xcos - self.ysin
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	286 y = self.xsin + self.ycos
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	287 return Vec2d(x, y)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	288
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	289 def get_angle(self):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	290 if (self.get_length_sqrd() == 0):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	291 return 0
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	292 return math.degrees(math.atan2(self.y, self.x))
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	293 def __setangle(self, angle_degrees):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	294 self.x = self.length
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	295 self.y = 0
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	296 self.rotate(angle_degrees)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	297 angle = property(get_angle, __setangle, doc="""Gets or sets the angle of a vector""")
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	298
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	299 def get_angle_between(self, other):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	300 """Get the angle between the vector and the other in degrees
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	301
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	302 :return: The angle
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	303 """
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	304 cross = self.xother[1] - self.yother[0]
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	305 dot = self.xother[0] + self.yother[1]
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	306 return math.degrees(math.atan2(cross, dot))
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	307
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	308 def normalized(self):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	309 """Get a normalized copy of the vector
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	310
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	311 :return: A normalized vector
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	312 """
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	313 length = self.length
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	314 if length != 0:
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	315 return self/length
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	316 return Vec2d(self)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	317
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	318 def normalize_return_length(self):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	319 """Normalize the vector and return its length before the normalization
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	320
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	321 :return: The length before the normalization
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	322 """
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	323 length = self.length
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	324 if length != 0:
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	325 self.x /= length
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	326 self.y /= length
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	327 return length
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	328
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	329 def perpendicular(self):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	330 return Vec2d(-self.y, self.x)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	331
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	332 def perpendicular_normal(self):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	333 length = self.length
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	334 if length != 0:
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	335 return Vec2d(-self.y/length, self.x/length)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	336 return Vec2d(self)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	337
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	338 def dot(self, other):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	339 """The dot product between the vector and other vector
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	340 v1.dot(v2) -> v1.xv2.x + v1.yv2.y
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	341
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	342 :return: The dot product
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	343 """
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	344 return float(self.xother[0] + self.yother[1])
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	345
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	346 def get_distance(self, other):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	347 """The distance between the vector and other vector
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	348
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	349 :return: The distance
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	350 """
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	351 return math.sqrt((self.x - other[0])2 + (self.y - other[1])2)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	352
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	353 def get_dist_sqrd(self, other):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	354 """The squared distance between the vector and other vector
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	355 It is more efficent to use this method than to call get_distance()
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	356 first and then do a sqrt() on the result.
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	357
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	358 :return: The squared distance
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	359 """
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	360 return (self.x - other[0])2 + (self.y - other[1])2
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	361
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	362 def projection(self, other):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	363 other_length_sqrd = other[0]other[0] + other[1]other[1]
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	364 projected_length_times_other_length = self.dot(other)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	365 return other*(projected_length_times_other_length/other_length_sqrd)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	366
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	367 def cross(self, other):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	368 """The cross product between the vector and other vector
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	369 v1.cross(v2) -> v1.x*v2.y - v2.y-v1.x
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	370
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	371 :return: The cross product
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	372 """
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	373 return self.xother[1] - self.yother[0]
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	374
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	375 def interpolate_to(self, other, range):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	376 return Vec2d(self.x + (other[0] - self.x)range, self.y + (other[1] - self.y)range)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	377
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	378 def convert_to_basis(self, x_vector, y_vector):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	379 return Vec2d(self.dot(x_vector)/x_vector.get_length_sqrd(), self.dot(y_vector)/y_vector.get_length_sqrd())
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	380
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	381 # Extra functions, mainly for chipmunk
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	382 def cpvrotate(self, other):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	383 return Vec2d(self.xother.x - self.yother.y, self.xother.y + self.yother.x)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	384 def cpvunrotate(self, other):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	385 return Vec2d(self.xother.x + self.yother.y, self.yother.x - self.xother.y)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	386
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	387 # Pickle, does not work atm.
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	388 def __getstate__(self):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	389 return [self.x, self.y]
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	390
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	391 def __setstate__(self, dict):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	392 self.x, self.y = dict
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	393 def __newobj__(cls, *args):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	394 return cls.__new__(cls, *args)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	395 Vec2d._fields_ = [
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	396 ('x', ctypes.c_double),
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	397 ('y', ctypes.c_double),
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	398 ]
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	399
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	400
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	401 class Vec2dArray(list):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	402
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	403 def __init__(self, iterable=()):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	404 list.__init__(self, (Vec2d(i) for i in iterable))
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	405
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	406 def __setitem__(self, index, value):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	407 list.__setitem__(self, index, Vec2d(value))
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	408
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	409 def append(self, value):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	410 """Append a vector to the array"""
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	411 list.append(self, Vec2d(value))
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	412
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	413 def insert(self, index, value):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	414 """Insert a vector into the array"""
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	415 list.insert(self, index, Vec2d(value))
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	416
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	417 def transform(self, offset=Vec2d(0,0), angle=0, scale=1.0):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	418 """Return a new transformed Vec2dArray"""
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	419 offset = Vec2d(offset)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	420 angle = math.radians(-angle)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	421 rot_vec = Vec2d(math.cos(angle), math.sin(angle))
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	422 xformed = Vec2dArray()
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	423 for vec in self:
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	424 xformed.append(vec.cpvrotate(rot_vec) * scale + offset)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	425 return xformed
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	426
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	427 def segments(self, closed=True):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	428 """Generate arrays of line segments connecting adjacent vetices
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	429 in this array, exploding the shape into it's constituent segments
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	430 """
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	431 if len(self) >= 2:
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	432 last = self[0]
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	433 for vert in self[1:]:
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	434 yield Vec2dArray((last, vert))
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	435 last = vert
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	436 if closed:
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	437 yield Vec2dArray((last, self[0]))
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	438 elif self and closed:
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	439 yield Vec2dArray((self[0], self[0]))
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	440
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	441
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	442
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	443 class Rect(ctypes.Structure):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	444 """Simple rectangle. Will gain more functionality as needed"""
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	445 _fields_ = [
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	446 ('left', ctypes.c_double),
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	447 ('top', ctypes.c_double),
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	448 ('right', ctypes.c_double),
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	449 ('bottom', ctypes.c_double),
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	450 ]
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	451
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	452 def __init__(self, rect_or_left, bottom=None, right=None, top=None):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	453 if bottom is not None:
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	454 assert right is not None and top is not None, "No enough arguments to Rect"
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	455 self.left = rect_or_left
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	456 self.bottom = bottom
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	457 self.right = right
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	458 self.top = top
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	459 else:
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	460 self.left = rect_or_left.left
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	461 self.bottom = rect_or_left.bottom
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	462 self.right = rect_or_left.right
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	463 self.top = rect_or_left.top
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	464
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	465 @property
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	466 def width(self):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	467 """Rectangle width"""
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	468 return self.right - self.left
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	469
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	470 @property
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	471 def height(self):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	472 """Rectangle height"""
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	473 return self.top - self.bottom
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	474
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	475
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	476 ########################################################################
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	477 ## Unit Testing ##
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	478 ########################################################################
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	479 if __name__ == "__main__":
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	480
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	481 import unittest
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	482 import pickle
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	483
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	484 ####################################################################
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	485 class UnitTestVec2d(unittest.TestCase):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	486
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	487 def setUp(self):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	488 pass
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	489
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	490 def testCreationAndAccess(self):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	491 v = Vec2d(111, 222)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	492 self.assert_(v.x == 111 and v.y == 222)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	493 v.x = 333
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	494 v[1] = 444
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	495 self.assert_(v[0] == 333 and v[1] == 444)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	496
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	497 def testMath(self):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	498 v = Vec2d(111,222)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	499 self.assertEqual(v + 1, Vec2d(112, 223))
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	500 self.assert_(v - 2 == [109, 220])
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	501 self.assert_(v * 3 == (333, 666))
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	502 self.assert_(v / 2.0 == Vec2d(55.5, 111))
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	503 #self.assert_(v / 2 == (55, 111)) # Not supported since this is a c_float structure in the bottom
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	504 self.assert_(v ** Vec2d(2, 3) == [12321, 10941048])
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	505 self.assert_(v + [-11, 78] == Vec2d(100, 300))
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	506 #self.assert_(v / [11,2] == [10,111]) # Not supported since this is a c_float structure in the bottom
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	507
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	508 def testReverseMath(self):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	509 v = Vec2d(111, 222)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	510 self.assert_(1 + v == Vec2d(112, 223))
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	511 self.assert_(2 - v == [-109, -220])
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	512 self.assert_(3 * v == (333, 666))
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	513 #self.assert_([222,999] / v == [2,4]) # Not supported since this is a c_float structure in the bottom
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	514 self.assert_([111, 222] ** Vec2d(2, 3) == [12321, 10941048])
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	515 self.assert_([-11, 78] + v == Vec2d(100, 300))
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	516
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	517 def testUnary(self):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	518 v = Vec2d(111, 222)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	519 v = -v
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	520 self.assert_(v == [-111, -222])
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	521 v = abs(v)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	522 self.assert_(v == [111, 222])
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	523
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	524 def testLength(self):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	525 v = Vec2d(3,4)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	526 self.assert_(v.length == 5)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	527 self.assert_(v.get_length_sqrd() == 25)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	528 self.assert_(v.normalize_return_length() == 5)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	529 self.assertAlmostEquals(v.length, 1)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	530 v.length = 5
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	531 self.assert_(v == Vec2d(3, 4))
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	532 v2 = Vec2d(10, -2)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	533 self.assert_(v.get_distance(v2) == (v - v2).get_length())
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	534
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	535 def testAngles(self):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	536 v = Vec2d(0, 3)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	537 self.assertEquals(v.angle, 90)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	538 v2 = Vec2d(v)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	539 v.rotate(-90)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	540 self.assertEqual(v.get_angle_between(v2), 90)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	541 v2.angle -= 90
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	542 self.assertEqual(v.length, v2.length)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	543 self.assertEquals(v2.angle, 0)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	544 self.assertEqual(v2, [3, 0])
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	545 self.assert_((v - v2).length < .00001)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	546 self.assertEqual(v.length, v2.length)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	547 v2.rotate(300)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	548 self.assertAlmostEquals(v.get_angle_between(v2), -60, 5) # Allow a little more error than usual (floats..)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	549 v2.rotate(v2.get_angle_between(v))
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	550 angle = v.get_angle_between(v2)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	551 self.assertAlmostEquals(v.get_angle_between(v2), 0)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	552
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	553 def testHighLevel(self):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	554 basis0 = Vec2d(5.0, 0)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	555 basis1 = Vec2d(0, .5)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	556 v = Vec2d(10, 1)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	557 self.assert_(v.convert_to_basis(basis0, basis1) == [2, 2])
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	558 self.assert_(v.projection(basis0) == (10, 0))
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	559 self.assert_(basis0.dot(basis1) == 0)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	560
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	561 def testCross(self):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	562 lhs = Vec2d(1, .5)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	563 rhs = Vec2d(4, 6)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	564 self.assert_(lhs.cross(rhs) == 4)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	565
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	566 def testComparison(self):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	567 int_vec = Vec2d(3, -2)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	568 flt_vec = Vec2d(3.0, -2.0)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	569 zero_vec = Vec2d(0, 0)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	570 self.assert_(int_vec == flt_vec)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	571 self.assert_(int_vec != zero_vec)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	572 self.assert_((flt_vec == zero_vec) == False)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	573 self.assert_((flt_vec != int_vec) == False)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	574 self.assert_(int_vec == (3, -2))
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	575 self.assert_(int_vec != [0, 0])
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	576 self.assert_(int_vec != 5)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	577 self.assert_(int_vec != [3, -2, -5])
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	578
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	579 def testInplace(self):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	580 inplace_vec = Vec2d(5, 13)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	581 inplace_ref = inplace_vec
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	582 inplace_src = Vec2d(inplace_vec)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	583 inplace_vec *= .5
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	584 inplace_vec += .5
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	585 inplace_vec /= (3, 6)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	586 inplace_vec += Vec2d(-1, -1)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	587 alternate = (inplace_src*.5 + .5)/Vec2d(3, 6) + [-1, -1]
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	588 self.assertEquals(inplace_vec, inplace_ref)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	589 self.assertEquals(inplace_vec, alternate)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	590
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	591 def testPickle(self):
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	592 return # pickling does not work atm
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	593 testvec = Vec2d(5, .3)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	594 testvec_str = pickle.dumps(testvec)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	595 loaded_vec = pickle.loads(testvec_str)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	596 self.assertEquals(testvec, loaded_vec)
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	597
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	598 ####################################################################
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	599 unittest.main()
a6bbb732b27b Added .hgeol file to automatically convert line endings. KarstenBock@gmx.net parents: 41 diff changeset	600

Mercurial > parpg-source

annotate bGrease/geometry.py @ 178:c706963ed0c3