'判断点在区域内函数 [f /v LLK
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 9UB??049z
Dim aob, boc, cod, doa, sum As Single $>nkGb%Kp
If ppx = p1x And ppy = p1y Then @"jmI&hYn
point_in = True Z#srQD3].(
Exit Function |zK!+fu
End If X+/{%P!w
If ppx = p2x And ppy = p2y Then yLV2>kq
point_in = True R (t!xf
Exit Function V+P8P7y37B
End If ,<`|-oa
If ppx = p3x And ppy = p3y Then 5? <|3
point_in = True |TC3 *Y
Exit Function D!81(}p
End If Kc%tnVyGh:
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aob = ff_angle(p1x, p1y, ppx, ppy, p2x, p2y) i!s~kk
boc = ff_angle(p2x, p2y, ppx, ppy, p3x, p3y) `;zu1o
cod = ff_angle(p3x, p3y, ppx, ppy, p4x, p4y) XfD
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doa = ff_angle(p4x, p4y, ppx, ppy, p1x, p1y) u>JqFw1
sum = aob + boc + cod + doa m$j
n5:
If 360.01 > sum And sum > 359.99 Then d#X&Fi
point_in = True , Zf
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Else \VoB=Ac&
point_in = False wghFGHgw
End If 9_g>BI;"8
End Function
