1 files changed, 79 insertions, 79 deletions
diff --git a/utils/hacks/TreeGraphs/Graphics/Geometry/vec2.py b/utils/hacks/TreeGraphs/Graphics/Geometry/vec2.py
index 80159043..73bc5717 100644
--- a/utils/hacks/TreeGraphs/Graphics/Geometry/vec2.py
+++ b/utils/hacks/TreeGraphs/Graphics/Geometry/vec2.py
@@ -1,79 +1,79 @@
-from __future__ import division
-from math import ceil,floor,sqrt,atan2,pi,cos,sin
-import random
-_abs,_min,_max= abs,min,max
-
-def random(rng=random):
-	return (rng.random()*2-1,rng.random()*2-1)
-
-def getangle(a):
-	x,y= a
-	if y>=0:
-		return atan2(y,x)
-	else:
-		return pi*2 + atan2(y,x)
-toangle = getangle
-
-def topolar(pt):
-	return getangle(pt),length(pt)
-def fromangle(angle,radius=1.):
-	return (cos(angle)*radius, sin(angle)*radius)
-frompolar = fromangle
-
-def rotate((x,y),angle):
-	c_a,s_a = cos(angle),sin(angle)
-	return (c_a*x - s_a*y, s_a*x + c_a*y)
-
-def rotate90((x,y)):
-	return (-y,x)
-	
-def abs(a): return (_abs(a[0]),_abs(a[1]))	
-def inv(a):	return (-a[0], -a[1])
-
-def add(a,b):	return (a[0]+b[0], a[1]+b[1])
-def sub(a,b):	return (a[0]-b[0], a[1]-b[1])
-def mul(a,b):	return (a[0]*b[0], a[1]*b[1])
-def div(a,b):	return (a[0]/b[0], a[1]/b[1])
-def mod(a,b):	return (a[0]%b[0], a[1]%b[1])
-def dot(a,b):	return (a[0]*b[0]+ a[1]*b[1])
-
-def addN(a,n):	return (a[0]+n, a[1]+n)
-def subN(a,n):	return (a[0]-n, a[1]-n)
-def mulN(a,n):	return (a[0]*n, a[1]*n)
-def modN(a,n):	return (a[0]%n, a[1]%n)
-def divN(a,n):	return (a[0]/n, a[1]/n)
-
-def sqr(a):			return dot(a,a)
-def length(a):		return sqrt(sqr(a))
-def avg(a,b):		return mulN(add(a,b),0.5)
-def distance(a,b):	return length(sub(a,b))
-
-def normalize(a):
-	return mulN(a, 1.0/length(a))
-
-def normalizeOrZero(a):
-	try:
-		return mulN(a, 1.0/length(a))
-	except ZeroDivisionError:
-		return (0.0,0.0)
-	
-def min((a0,a1),(b0,b1)):
-	return (_min(a0,b0),_min(a1,b1))
-def max((a0,a1),(b0,b1)):
-	return (_max(a0,b0),_max(a1,b1))
-
-def lerp(a,b,t):
-	return add(mulN(a,1.0-t), mulN(b, t))
-
-def toint(a):
-	return (int(a[0]), int(a[1]))
-def tofloor(a):
-	return (floor(a[0]), floor(a[1]))
-def toceil(a):
-	return (ceil(a[0]), ceil(a[1]))
-
-def sumlist(l):
-	return reduce(add, l)
-def avglist(l):
-	return mulN(sumlist(l), 1.0/len(l))
-
+from __future__ import division
+from math import ceil,floor,sqrt,atan2,pi,cos,sin
+import random
+_abs,_min,_max= abs,min,max
+
+def random(rng=random):
+	return (rng.random()*2-1,rng.random()*2-1)
+
+def getangle(a):
+	x,y= a
+	if y>=0:
+		return atan2(y,x)
+	else:
+		return pi*2 + atan2(y,x)
+toangle = getangle
+
+def topolar(pt):
+	return getangle(pt),length(pt)
+def fromangle(angle,radius=1.):
+	return (cos(angle)*radius, sin(angle)*radius)
+frompolar = fromangle
+
+def rotate((x,y),angle):
+	c_a,s_a = cos(angle),sin(angle)
+	return (c_a*x - s_a*y, s_a*x + c_a*y)
+
+def rotate90((x,y)):
+	return (-y,x)
+	
+def abs(a): return (_abs(a[0]),_abs(a[1]))	
+def inv(a):	return (-a[0], -a[1])
+
+def add(a,b):	return (a[0]+b[0], a[1]+b[1])
+def sub(a,b):	return (a[0]-b[0], a[1]-b[1])
+def mul(a,b):	return (a[0]*b[0], a[1]*b[1])
+def div(a,b):	return (a[0]/b[0], a[1]/b[1])
+def mod(a,b):	return (a[0]%b[0], a[1]%b[1])
+def dot(a,b):	return (a[0]*b[0]+ a[1]*b[1])
+
+def addN(a,n):	return (a[0]+n, a[1]+n)
+def subN(a,n):	return (a[0]-n, a[1]-n)
+def mulN(a,n):	return (a[0]*n, a[1]*n)
+def modN(a,n):	return (a[0]%n, a[1]%n)
+def divN(a,n):	return (a[0]/n, a[1]/n)
+
+def sqr(a):			return dot(a,a)
+def length(a):		return sqrt(sqr(a))
+def avg(a,b):		return mulN(add(a,b),0.5)
+def distance(a,b):	return length(sub(a,b))
+
+def normalize(a):
+	return mulN(a, 1.0/length(a))
+
+def normalizeOrZero(a):
+	try:
+		return mulN(a, 1.0/length(a))
+	except ZeroDivisionError:
+		return (0.0,0.0)
+	
+def min((a0,a1),(b0,b1)):
+	return (_min(a0,b0),_min(a1,b1))
+def max((a0,a1),(b0,b1)):
+	return (_max(a0,b0),_max(a1,b1))
+
+def lerp(a,b,t):
+	return add(mulN(a,1.0-t), mulN(b, t))
+
+def toint(a):
+	return (int(a[0]), int(a[1]))
+def tofloor(a):
+	return (floor(a[0]), floor(a[1]))
+def toceil(a):
+	return (ceil(a[0]), ceil(a[1]))
+
+def sumlist(l):
+	return reduce(add, l)
+def avglist(l):
+	return mulN(sumlist(l), 1.0/len(l))
+