NovaBryan/EVE_Dump
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mathUtil.py (2002B)

      1 #Embedded file name: C:\BuildAgent\work\20d73f1b24eed06e\eve\release\V24.01\carbon\common\script\util\mathUtil.py
      2 import math
      3 try:
      4     import geo2
      5 except ImportError:
      6     geo2 = None
      7 
      8 MATH_PI_2 = math.pi / 2
      9 MATH_PI_4 = math.pi / 4
     10 MATH_PI_8 = math.pi / 8
     11 MATH_2_PI = math.pi * 2
     12 
     13 def LtoI(v):
     14     if v < 2147483648L:
     15         return int(v)
     16     return ~int(~v & 4294967295L)
     17 
     18 
     19 def LerpList(color1, color2, lerpValue):
     20     invLerpValue = 1.0 - lerpValue
     21     return [invLerpValue * color1[0] + lerpValue * color2[0],
     22      invLerpValue * color1[1] + lerpValue * color2[1],
     23      invLerpValue * color1[2] + lerpValue * color2[2],
     24      invLerpValue * color1[3] + lerpValue * color2[3]]
     25 
     26 
     27 def LerpVector(v1, v2, s):
     28     v = v1.CopyTo()
     29     v.Lerp(v2, s)
     30     return v
     31 
     32 
     33 def Lerp(start, end, s):
     34     return start + min(max(s, 0.0), 1.0) * (end - start)
     35 
     36 
     37 def LerpTupleThree(tuple1, tuple2, scaling):
     38     return (Lerp(tuple1[0], tuple2[0], scaling), Lerp(tuple1[1], tuple2[1], scaling), Lerp(tuple1[2], tuple2[2], scaling))
     39 
     40 
     41 def LerpTupleFour(tuple1, tuple2, scaling):
     42     return (Lerp(tuple1[0], tuple2[0], scaling),
     43      Lerp(tuple1[1], tuple2[1], scaling),
     44      Lerp(tuple1[2], tuple2[2], scaling),
     45      Lerp(tuple1[3], tuple2[3], scaling))
     46 
     47 
     48 def LerpByTime(startVal, endVal, startTime, endTime, curTime):
     49     lerpRatio = float(curTime - startTime) / float(endTime - startTime)
     50     return Lerp(startVal, endVal, lerpRatio)
     51 
     52 
     53 def RayToPlaneIntersection(P, d, Q, n, returnSign = False):
     54     position = P
     55     sign = 1
     56     denom = geo2.Vec3Dot(n, d)
     57     if abs(denom) >= 1e-05:
     58         distance = -geo2.Vec3Dot(Q, n)
     59         t = -(geo2.Vec3Dot(n, P) + distance) / denom
     60         if t < 0:
     61             sign = -1
     62         S = geo2.Add(geo2.Scale(d, t), P)
     63         position = S
     64     if returnSign:
     65         return (position, sign)
     66     return position
     67 
     68 
     69 def ClampRotation(rotation):
     70     if rotation > math.pi * 2:
     71         rotation -= math.pi * 2
     72     elif rotation < 0:
     73         rotation += math.pi * 2
     74     return rotation