'判断点在区域内函数 AiHU*dp6
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 \K$\-]N+
Dim aob, boc, cod, doa, sum As Single |8` }8vo)
If ppx = p1x And ppy = p1y Then M5I`i{Gw
point_in = True k4{!h?h
Exit Function `l|Oj$
End If hz/mNDE]
If ppx = p2x And ppy = p2y Then c=v016r\
point_in = True }a" =K%b<\
Exit Function [UwQi!^-O
End If /pF8S!,z
If ppx = p3x And ppy = p3y Then ,
z\Qd07u
point_in = True klKUX/g
Exit Function Cu@q*:'
End If DuC#tDP
"`M~=RiI
aob = ff_angle(p1x, p1y, ppx, ppy, p2x, p2y) "](Q2
boc = ff_angle(p2x, p2y, ppx, ppy, p3x, p3y) lf"w/pb'
cod = ff_angle(p3x, p3y, ppx, ppy, p4x, p4y) SPqJ
[F
doa = ff_angle(p4x, p4y, ppx, ppy, p1x, p1y) QGN+f)
sum = aob + boc + cod + doa 7;Ze>"W>
If 360.01 > sum And sum > 359.99 Then &$s:h5HoX
point_in = True vjX,7NY?
Else %oiF} >
point_in = False 3I 0pHP5
End If b36{vcs~
End Function