'判断点在区域内函数 TUw+A6u:p
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 s&UuB1
Dim aob, boc, cod, doa, sum As Single iI|mFc|V
If ppx = p1x And ppy = p1y Then [Yr }:B
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point_in = True =hZ#Z]f
Exit Function M3m!u[6|
End If 6'Y T3=
If ppx = p2x And ppy = p2y Then km@V|"ac
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point_in = True or~2r8
Exit Function h0m+u}oP_H
End If P%VEJ5,]b
If ppx = p3x And ppy = p3y Then b.mcP@
point_in = True |\/`YRg>
Exit Function *3.K; Ic;
End If RLy(Wz3%
0, b.;r
aob = ff_angle(p1x, p1y, ppx, ppy, p2x, p2y) US5 ]@!
boc = ff_angle(p2x, p2y, ppx, ppy, p3x, p3y) CD}::7$
cod = ff_angle(p3x, p3y, ppx, ppy, p4x, p4y) 99<]~,t=5
doa = ff_angle(p4x, p4y, ppx, ppy, p1x, p1y) uDhe
)
sum = aob + boc + cod + doa E@}N}SR
If 360.01 > sum And sum > 359.99 Then oT7 6)O
point_in = True ; a"g <v
Else PIk2mX/D_6
point_in = False dY=]ES} `
End If }
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End Function
