'判断点在区域内函数 e$pMsw 'MJ
Function point_in(p1x As Single, p1y As Single, p2x As Single, p2y As Single, p3x As Single, p3y As Single, p4x As Single, p4y As Single, ppx As Single, ppy As Single) As Boolean }-@`9(o`)
Dim aob, boc, cod, doa, sum As Single x+]\1p
If ppx = p1x And ppy = p1y Then m1*O0Tg]"
point_in = True B2O} 1.
Exit Function !3ctB3eJ
End If x]33LQ1]
If ppx = p2x And ppy = p2y Then w[ ~ #av9
point_in = True ^53r/V }%
Exit Function x@Hc@R<!
End If RH|XxH*
If ppx = p3x And ppy = p3y Then R,Vd.-5M
point_in = True &ZQJ>#~j^
Exit Function } GiHjzsR
End If u #@Q:tnN_
Tq~=TSD
aob = ff_angle(p1x, p1y, ppx, ppy, p2x, p2y) zi3\63D3eO
boc = ff_angle(p2x, p2y, ppx, ppy, p3x, p3y) H8On<C=
cod = ff_angle(p3x, p3y, ppx, ppy, p4x, p4y) O
&-wxJ]S
doa = ff_angle(p4x, p4y, ppx, ppy, p1x, p1y) Nj 00W1
sum = aob + boc + cod + doa fX|Y;S-@+
If 360.01 > sum And sum > 359.99 Then |u ;v27
point_in = True H_Qs Nf
Else Y(d$
point_in = False ~b2wBs)r
End If piZJJYv t
End Function
