'判断点在区域内函数 - f ^!R
Function point_in(p1x As Single, p1y As Single, p2x As Single, p2y As Single, p3x As Single, p3y As Single, p4x As Single, p4y As Single, ppx As Single, ppy As Single) As Boolean livKiX`
Dim aob, boc, cod, doa, sum As Single wdf;LM
If ppx = p1x And ppy = p1y Then )ii aT~
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point_in = True D
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Exit Function QZG<sZ0"
End If wkPjMmW+!
If ppx = p2x And ppy = p2y Then XN6$TNsD$
point_in = True s3m\
Exit Function UCjx
End If /;w(sU
If ppx = p3x And ppy = p3y Then '(C+qwdRv
point_in = True F!g1.49""
Exit Function Hc@_@G
End If 1ig*Xp[
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aob = ff_angle(p1x, p1y, ppx, ppy, p2x, p2y) #"~\/sb
boc = ff_angle(p2x, p2y, ppx, ppy, p3x, p3y) U?Dr0wD;[
cod = ff_angle(p3x, p3y, ppx, ppy, p4x, p4y) <`"
doa = ff_angle(p4x, p4y, ppx, ppy, p1x, p1y) u?fM.=/N
sum = aob + boc + cod + doa JFO,Q
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If 360.01 > sum And sum > 359.99 Then t_xK?``
point_in = True [zm@hxym
Else /n(0w`
point_in = False wu
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End If DBsoa0w
End Function