'判断点在区域内函数 g=8e.Y*Fr
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%Me
Dim aob, boc, cod, doa, sum As Single g>f394j
If ppx = p1x And ppy = p1y Then
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point_in = True zT"#9"["
Exit Function x`&W[AA4
End If 5B6:pH6e
If ppx = p2x And ppy = p2y Then `N+ P,
point_in = True Vv]mME@
Exit Function |n;7fqK
End If A:(uK>5{Kk
If ppx = p3x And ppy = p3y Then d|3[MnU[a
point_in = True #q%/~-Uk
Exit Function &/p9+gd
End If [PT}!X7h
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aob = ff_angle(p1x, p1y, ppx, ppy, p2x, p2y) X@rAe37h+
boc = ff_angle(p2x, p2y, ppx, ppy, p3x, p3y) KV2X[1
cod = ff_angle(p3x, p3y, ppx, ppy, p4x, p4y) XT)@)c7j
doa = ff_angle(p4x, p4y, ppx, ppy, p1x, p1y) %o>1$f]
sum = aob + boc + cod + doa e!#:h4I
If 360.01 > sum And sum > 359.99 Then wB@A?&UY
point_in = True u}$3.]-.?T
Else $1YnQgpT
point_in = False S3w? X
End If +}]xuYzo
End Function