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Experimental rotation conversion

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Star Brilliant 2014-04-28 19:53:23 +08:00
parent 4f451da99b
commit 0b7415b561
1 changed files with 13 additions and 2 deletions
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15
danmaku2ass.py
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@ -547,10 +547,21 @@ def ConvertFlashRotation(rotY, rotZ, X, Y, FOV=math.tan(2*math.pi/9.0)):
rotZ = rotZ*math.pi/180.0
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.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
'''
print(
(rotY*180.0/math.pi, rotZ*180.0/math.pi),
(outX, outY, outZ),
(
math.sin(rotY)*math.sin(rotZ),
-(math.sin(rotY)+math.sin(outY*math.pi/180.0)*math.cos(outZ*math.pi/180.0))/math.cos(outY*math.pi/180.0)/math.sin(outZ*math.pi/180.0)
)
)
'''
outX = CalcPerspectiveCorrection(outX, -Y, FOV*0.75)
outY = CalcPerspectiveCorrection(outY, X, FOV)
return (round(outX), round(outY), round(outZ), 0, round(-0.75*Y*math.sin(outY*math.pi/180.0), 3))
return (WrapAngle(round(outX)), WrapAngle(round(outY)), WrapAngle(round(outZ)), 0, round(-0.75*Y*math.sin(outY*math.pi/180.0), 3))
def ProcessComments(comments, f, width, height, bottomReserved, fontface, fontsize, alpha, lifetime, reduced, progress_callback):