'判断点在区域内函数 N PT-d
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 h0tiWHw
Dim aob, boc, cod, doa, sum As Single ~~W.]>f
If ppx = p1x And ppy = p1y Then Vp/XVyL}R
point_in = True 6]brL.eGj
Exit Function :?6HG_9X
End If .xJ54Vz
If ppx = p2x And ppy = p2y Then SGWb*grt
point_in = True lYG`)#T
Exit Function ^wIB;!W
End If Nw*<e ]uD
If ppx = p3x And ppy = p3y Then 3W?7hh
point_in = True $hhXsu=
Exit Function F1#{(uW
End If \sNgs#{7E7
* ,aF-
aob = ff_angle(p1x, p1y, ppx, ppy, p2x, p2y) t*IePz] /
boc = ff_angle(p2x, p2y, ppx, ppy, p3x, p3y) ):$KM{X
cod = ff_angle(p3x, p3y, ppx, ppy, p4x, p4y) rl|'.~mc
doa = ff_angle(p4x, p4y, ppx, ppy, p1x, p1y) >v+1v
sum = aob + boc + cod + doa U@OdQAX
If 360.01 > sum And sum > 359.99 Then "iSY;y o
point_in = True Nny*C`uDF
Else tbS hSbj
point_in = False ${Un#]g
End If @_ %RQO_X
End Function