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Add testdrive test-3drot.py

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This commit is contained in:
Star Brilliant 2014-04-29 21:08:22 +08:00
parent f598670da8
commit 996839a490
2 changed files with 79 additions and 4 deletions
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7
danmaku2ass.py
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@ -511,6 +511,8 @@ def ConvertFlashRotation(rotY, rotZ, X, Y, FOV=math.tan(2*math.pi/9.0)):
return 180-((180+deg)%360)
def CalcPerspectiveCorrection(alpha, X, FOV=FOV):
alpha = WrapAngle(alpha)
if FOV is None:
return alpha
if 0 <= alpha <= 180:
costheta = (FOV*math.cos(alpha*math.pi/180.0)-X*math.sin(alpha*math.pi/180.0))/(FOV+max(2, abs(X)+1)*math.sin(alpha*math.pi/180.0))
try:
@ -548,8 +550,8 @@ def ConvertFlashRotation(rotY, rotZ, X, Y, FOV=math.tan(2*math.pi/9.0)):
outY = math.atan2(-math.sin(rotY)*math.cos(rotZ), math.cos(rotY))*180/math.pi
outZ = math.atan2(-math.cos(rotY)*math.sin(rotZ), math.cos(rotZ))*180/math.pi
#outX = math.asin(math.sin(rotY)*math.sin(rotZ))*180/math.pi
#outX = math.acos(math.cos(rotY)/math.cos(outY*math.pi/180.0))*180/math.pi
outX = math.atan2(-math.sin(rotY)*math.cos(rotZ)*abs(math.cos(outY*math.pi/180.0)*(1 if math.sin(outY*math.pi/180.0) >= 0 else -1)), math.cos(rotY)*abs(math.sin(outY*math.pi/180.0)*(1 if math.cos(outY*math.pi/180.0) >= 0 else -1)))*180/math.pi
outX = math.acos(math.cos(rotY)/math.cos(outY*math.pi/180.0))*180/math.pi
#outX = math.atan2(-math.sin(rotY)*math.cos(rotZ)*abs(math.cos(outY*math.pi/180.0)*(1 if math.sin(outY*math.pi/180.0) >= 0 else -1)), math.cos(rotY)*abs(math.sin(outY*math.pi/180.0)*(1 if math.cos(outY*math.pi/180.0) >= 0 else -1)))*180/math.pi
'''
print(
(rotY*180.0/math.pi, rotZ*180.0/math.pi),
@ -560,6 +562,7 @@ def ConvertFlashRotation(rotY, rotZ, X, Y, FOV=math.tan(2*math.pi/9.0)):
)
)
'''
if FOV is not None:
outX = CalcPerspectiveCorrection(outX, -Y, FOV*0.75)
outY = CalcPerspectiveCorrection(outY, X, FOV)
return (WrapAngle(round(outX)), WrapAngle(round(outY)), WrapAngle(round(outZ)), 0, round(-0.75*Y*math.sin(outY*math.pi/180.0), 3))

72
test/test-3drot.py Executable file
View File

@ -0,0 +1,72 @@
#!/usr/bin/env python3
import logging
import math
import sys
try:
import importlib.machinery
danmaku2ass = importlib.machinery.SourceFileLoader('danmaku2ass', '../danmaku2ass.py').load_module('danmaku2ass')
except (AttributeError, ImportError):
import imp
danmaku2ass = imp.load_source('danmaku2ass', '../danmaku2ass..py')
extcode = 0
def main():
logging.basicConfig(level=logging.INFO)
for rotY in range(0, 361):
for rotZ in range(0, 361):
outX, outY, outZ, shearX, shearY = danmaku2ass.ConvertFlashRotation(rotY, rotZ, X=0, Y=0, FOV=None)
logging.info('%4d, %4d => %4d, %4d, %4d' % (rotY, rotZ, outX, outY, outZ))
CompareMatrix(rotY, rotZ, outX, outY, outZ)
def CompareMatrix(rotY, rotZ, outX, outY, outZ):
def ApproxEqual(a, b, e=0.01):
assert e >= 0
a_b = a-b
if -e < a_b < e:
return 0
else:
return a_b
def FormatError(i, j, l, r):
global extcode
if ApproxEqual(l, r) != 0:
extcode = 1
logging.error('l[%s][%s]=%9.6f r[%s][%s]=%9.6f' % (i, j, l, i, j, r))
def sind(x):
return math.sin(x*math.pi/180.0)
def cosd(x):
return math.cos(x*math.pi/180.0)
l = cosd(rotY)*cosd(rotZ)
r = -sind(outX)*sind(outY)*sind(outZ)+cosd(outY)*cosd(outZ)
FormatError(0, 0, l, r)
l = cosd(rotY)*sind(rotZ)
r = -cosd(outX)*sind(outZ)
FormatError(0, 1, l, r)
l = sind(rotY)
r = -sind(outX)*cosd(outY)*sind(outZ)-sind(outY)*cosd(outZ)
FormatError(0, 2, l, r)
l = -sind(rotZ)
r = sind(outX)*sind(outY)*cosd(outZ)+cosd(outY)*sind(outZ)
FormatError(1, 0, l, r)
l = cosd(rotZ)
r = cosd(outX)*cosd(outZ)
FormatError(1, 1, l, r)
l = 0
r = sind(outX)*cosd(outY)*cosd(outZ)-sind(outY)*sind(outZ)
FormatError(1, 2, l, r)
l = -sind(rotY)*cosd(rotZ)
r = cosd(outX)*sind(outY)
FormatError(2, 0, l, r)
l = -sind(rotY)*sind(rotZ)
r = -sind(outX)
FormatError(2, 1, l, r)
l = cosd(rotY)
r = cosd(outX)*cosd(outY)
FormatError(2, 2, l, r)
if __name__ == '__main__':
main()
sys.exit(extcode)