'判断点在区域内函数 Q\v^3u2;m`
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 xHdv?69,
Dim aob, boc, cod, doa, sum As Single qgLj^{
If ppx = p1x And ppy = p1y Then TYr"yZ([
point_in = True 0\^K\J ,.
Exit Function e;) &Hc:Z
End If 3MFb\s&Fq
If ppx = p2x And ppy = p2y Then +QVe -
point_in = True B6a
Exit Function lw 9 rf4RF
End If >5=uq
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If ppx = p3x And ppy = p3y Then RjCEo4b-.H
point_in = True GGwHz]1L
Exit Function h/F,D_O>ZO
End If wpPCkfPyL
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aob = ff_angle(p1x, p1y, ppx, ppy, p2x, p2y) W_N!f=HW
boc = ff_angle(p2x, p2y, ppx, ppy, p3x, p3y) O_wRI\ !
cod = ff_angle(p3x, p3y, ppx, ppy, p4x, p4y) p^QB^HEV
doa = ff_angle(p4x, p4y, ppx, ppy, p1x, p1y) )OcG$H NK
sum = aob + boc + cod + doa o5 eFLJ6
If 360.01 > sum And sum > 359.99 Then e!~x-P5M`
point_in = True
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Else ~,.}@XlgT.
point_in = False r6eApKZ>f6
End If }7jg>3ng(
End Function
