'判断点在区域内函数 6:#o0OeBP
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 AygdAg'\
Dim aob, boc, cod, doa, sum As Single vn^O m-\
If ppx = p1x And ppy = p1y Then K
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point_in = True SKL 4U5D{
Exit Function $v;WmYTJ
End If S{+t>en
If ppx = p2x And ppy = p2y Then iWf+wC|
point_in = True _-_iw&F
Exit Function \%a0Lp{ I
End If c`!e#w
If ppx = p3x And ppy = p3y Then d&FXndC4F
point_in = True c,~uurVi
Exit Function yxt"vm;
End If 5E'/8xp bB
Dt:
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aob = ff_angle(p1x, p1y, ppx, ppy, p2x, p2y) s|Mo3_>
boc = ff_angle(p2x, p2y, ppx, ppy, p3x, p3y) ?}cmES kX@
cod = ff_angle(p3x, p3y, ppx, ppy, p4x, p4y) #KJ# 1
doa = ff_angle(p4x, p4y, ppx, ppy, p1x, p1y) *(OG+OkC
sum = aob + boc + cod + doa ?.46X^
If 360.01 > sum And sum > 359.99 Then @s LN
point_in = True fs'SCwx
Else ;
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point_in = False f8:nKb>nq$
End If e"S?qpJK
End Function