'判断点在区域内函数 ] ? *'[
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 jdf3XTw
Dim aob, boc, cod, doa, sum As Single GHR r+
If ppx = p1x And ppy = p1y Then =/m$ayG
point_in = True ubs>(\`q"
Exit Function ;9;jUQ]MyG
End If .b|!FWHNS
If ppx = p2x And ppy = p2y Then .+A2\F.^
point_in = True
myOdf'=
Exit Function yPoa04!{=
End If F\2<q$Zn+
If ppx = p3x And ppy = p3y Then m;cg X#k5
point_in = True T+j-MR}{\
Exit Function Ake$M^Bz
End If h $)4%Fy
,1
^IFBJ
aob = ff_angle(p1x, p1y, ppx, ppy, p2x, p2y) @5j3[e
boc = ff_angle(p2x, p2y, ppx, ppy, p3x, p3y) {k uC+~R
cod = ff_angle(p3x, p3y, ppx, ppy, p4x, p4y) rVM?[_'O
doa = ff_angle(p4x, p4y, ppx, ppy, p1x, p1y)
: >-&
sum = aob + boc + cod + doa \Lg{GN.
If 360.01 > sum And sum > 359.99 Then Oj1B @QE
point_in = True YBupC !R
Else AhU
point_in = False B=)tq.Q7
End If E_H.!pr
End Function
