'判断点在区域内函数 qm]ljut
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
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Dim aob, boc, cod, doa, sum As Single &"C1XM
If ppx = p1x And ppy = p1y Then n3b@6V1_
point_in = True w6Tb<ja
Exit Function (DKpJCx
End If -07(#>
If ppx = p2x And ppy = p2y Then ",8h>eEWK
point_in = True )vGRfFjw_
Exit Function <)n
End If n7<<}wcV
If ppx = p3x And ppy = p3y Then 'A8T.BU
point_in = True NK#Dq&W+&
Exit Function sQihyq6U;
End If nNilTJ
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aob = ff_angle(p1x, p1y, ppx, ppy, p2x, p2y) F/EHU?_EI
boc = ff_angle(p2x, p2y, ppx, ppy, p3x, p3y) "l +Jx|h\
cod = ff_angle(p3x, p3y, ppx, ppy, p4x, p4y) p6}jCGJ
doa = ff_angle(p4x, p4y, ppx, ppy, p1x, p1y) 29Q5s$YD@
sum = aob + boc + cod + doa KI>7h.t
If 360.01 > sum And sum > 359.99 Then nVyb B~.=
point_in = True J;T_9
Else c@nl;u)n
point_in = False )If[pw@j
End If s:]rL&|
End Function