'判断点在区域内函数 ijOp{
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 [
iTP:8
Dim aob, boc, cod, doa, sum As Single 2L&c91=wE
If ppx = p1x And ppy = p1y Then Z|C,HF+m.
point_in = True /[_aK0U3
Exit Function e#/&A5#Ya
End If sY!JB7!j
If ppx = p2x And ppy = p2y Then Q!q6R^5!K
point_in = True 5@5*}[M
Exit Function B6dU6"
End If $=.%IJ_MAz
If ppx = p3x And ppy = p3y Then |Lg2;P7\
point_in = True /C8 }5)
Exit Function 9;LjM ~Ct
End If j;.P
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aob = ff_angle(p1x, p1y, ppx, ppy, p2x, p2y) +\Vw:~e
boc = ff_angle(p2x, p2y, ppx, ppy, p3x, p3y) e$s&B!qJ
cod = ff_angle(p3x, p3y, ppx, ppy, p4x, p4y) nx%A s
doa = ff_angle(p4x, p4y, ppx, ppy, p1x, p1y) ?+EAp"{j
sum = aob + boc + cod + doa b[:,p?:@
If 360.01 > sum And sum > 359.99 Then iz=cjmV?
point_in = True (W
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Else ]<<,{IQ
point_in = False DyqqY$ vH(
End If 1\(
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End Function