'判断点在区域内函数 )v&r^DR_
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 5I ,5da
Dim aob, boc, cod, doa, sum As Single d5gYJ/Qv
If ppx = p1x And ppy = p1y Then ViqcJD
point_in = True $gm`}3C<
Exit Function N>?R,XM
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End If |7Z7_YWs
If ppx = p2x And ppy = p2y Then (P
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point_in = True iGmBG1a\
Exit Function TY[{)aH{S
End If E5.3wOE
If ppx = p3x And ppy = p3y Then 8YJ8_$Z
point_in = True UTw f!
Exit Function f.ku v"
End If Mq!03q6
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aob = ff_angle(p1x, p1y, ppx, ppy, p2x, p2y) H~1&hF"d
boc = ff_angle(p2x, p2y, ppx, ppy, p3x, p3y) J_ A+)_
cod = ff_angle(p3x, p3y, ppx, ppy, p4x, p4y) iOI8'`mk
doa = ff_angle(p4x, p4y, ppx, ppy, p1x, p1y) Gp.+&\vi
sum = aob + boc + cod + doa :hYV\8 $
If 360.01 > sum And sum > 359.99 Then j,")c'r&dD
point_in = True Ie(vTP1Cj
Else
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point_in = False 2
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End If )h-Qi#{
End Function
