'判断点在区域内函数 T xN5K`q
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 ?W|POk}
Dim aob, boc, cod, doa, sum As Single TLkkB09fvk
If ppx = p1x And ppy = p1y Then J 5\> 8I,a
point_in = True h&Sl8$jVp
Exit Function tF;aB*
End If
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If ppx = p2x And ppy = p2y Then ;Joo!CXHO
point_in = True 6jnRC*!?
Exit Function >0m-S :lk
End If R52!pB0[
If ppx = p3x And ppy = p3y Then c.XLEjV|
point_in = True < ^&'r5H
Exit Function jG/ kT5 S
End If Rp| :$5&nE
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aob = ff_angle(p1x, p1y, ppx, ppy, p2x, p2y) 'z\F-Ttq
boc = ff_angle(p2x, p2y, ppx, ppy, p3x, p3y) Zdak))7
cod = ff_angle(p3x, p3y, ppx, ppy, p4x, p4y) >Te{a*`"m:
doa = ff_angle(p4x, p4y, ppx, ppy, p1x, p1y) dxd}:L~z
sum = aob + boc + cod + doa %:/;R_
If 360.01 > sum And sum > 359.99 Then FJD*A `a
point_in = True fY `A
Else #2dmki"~(
point_in = False E>[~"~x"pV
End If oNdO@i%.q4
End Function
