'判断点在区域内函数 #HcQ*BiF3
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 B {Cm`f8E
Dim aob, boc, cod, doa, sum As Single @M'k/jl
If ppx = p1x And ppy = p1y Then G@7^M}
point_in = True c 9|4[_&B~
Exit Function UFB|IeX?q
End If ?{J1 &;j*
If ppx = p2x And ppy = p2y Then \RDN_Z
point_in = True tV++QC7@L
Exit Function /uw@o9`~2-
End If yhH2b:nY(9
If ppx = p3x And ppy = p3y Then lS=YnMs6a
point_in = True ZX_QnSNZ?
Exit Function Q7+WV `&
End If 7? fgcb3
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aob = ff_angle(p1x, p1y, ppx, ppy, p2x, p2y) nDrRK
boc = ff_angle(p2x, p2y, ppx, ppy, p3x, p3y) Il =6t
cod = ff_angle(p3x, p3y, ppx, ppy, p4x, p4y)
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doa = ff_angle(p4x, p4y, ppx, ppy, p1x, p1y) c^|8qvS $
sum = aob + boc + cod + doa }u^bTR?3
If 360.01 > sum And sum > 359.99 Then 2zj`
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point_in = True Hca(2 ]T-
Else <$nPGz)}
point_in = False Q
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End If fN9{@)2Mz
End Function
