'判断点在区域内函数 r(>@qGN
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 ozyX$tp
Dim aob, boc, cod, doa, sum As Single ]#i igPZ7
If ppx = p1x And ppy = p1y Then o "s)eh
point_in = True hk;5w{t}}
Exit Function JMCKcZ%N
End If )NW)R*m~D
If ppx = p2x And ppy = p2y Then % "i(K@
point_in = True ~ gJwW+
Exit Function MVpGWTH@F
End If %_H<:uGO%
If ppx = p3x And ppy = p3y Then `{@8Vsmy:
point_in = True `G BW%X/
Exit Function n1ZbRV
End If l ~"^7H?4e
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aob = ff_angle(p1x, p1y, ppx, ppy, p2x, p2y) /s&9SYF
boc = ff_angle(p2x, p2y, ppx, ppy, p3x, p3y) LG9+GszX 2
cod = ff_angle(p3x, p3y, ppx, ppy, p4x, p4y) fivw~z|[@
doa = ff_angle(p4x, p4y, ppx, ppy, p1x, p1y) 6xmZXp d!
sum = aob + boc + cod + doa 5+0gR
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If 360.01 > sum And sum > 359.99 Then 2 0h}
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point_in = True q4h] o^ +
Else Ys9[5@7
point_in = False H \" sgoJ
End If v |,1[i{
End Function
