'判断点在区域内函数 +]50D xflA
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 @vB!u[{
Dim aob, boc, cod, doa, sum As Single )0R'(#
If ppx = p1x And ppy = p1y Then eIo7F m
point_in = True ^KELKv,_
Exit Function Bw{I;rW{2
End If 42{:G8
If ppx = p2x And ppy = p2y Then /SrAW`;"
point_in = True f`/x"@~H5
Exit Function F3N6{ysK#
End If ym6K!i]q4
If ppx = p3x And ppy = p3y Then j w9b)
point_in = True lPJ\-/>$z
Exit Function <rmvcim{*
End If }{<
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aob = ff_angle(p1x, p1y, ppx, ppy, p2x, p2y) N&V`K0FU
boc = ff_angle(p2x, p2y, ppx, ppy, p3x, p3y) [=_jYzD,j|
cod = ff_angle(p3x, p3y, ppx, ppy, p4x, p4y) 4,0{7MLgK
doa = ff_angle(p4x, p4y, ppx, ppy, p1x, p1y) xp9pl[l
sum = aob + boc + cod + doa s!e3|pGS
If 360.01 > sum And sum > 359.99 Then 65m"J'
point_in = True N"y)Oca{
Else gGS=cdlV
point_in = False k: ;WtBC6j
End If pO.2<
End Function