'判断点在区域内函数 No]~jnqDM
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 .itw04Uru
Dim aob, boc, cod, doa, sum As Single Lip4)Y [
If ppx = p1x And ppy = p1y Then q9w~A-Oh`1
point_in = True ^7zu<lX
Exit Function z#BR5jF
End If s,#>m*Rh
If ppx = p2x And ppy = p2y Then |@NiW\O
point_in = True kmzH'wktt
Exit Function Bqma\1cgb
End If Zo1,1O
If ppx = p3x And ppy = p3y Then ]Q]W5WDe:
point_in = True 4DZ-bt'
Exit Function ]smkTo/
End If uqz]J$
D}8EER b
aob = ff_angle(p1x, p1y, ppx, ppy, p2x, p2y) Eu"_MgD
boc = ff_angle(p2x, p2y, ppx, ppy, p3x, p3y) C8FB:JNJV
cod = ff_angle(p3x, p3y, ppx, ppy, p4x, p4y) >pUtwIP
doa = ff_angle(p4x, p4y, ppx, ppy, p1x, p1y) p<=$&*
sum = aob + boc + cod + doa 4pw6bK,s2\
If 360.01 > sum And sum > 359.99 Then 87hq{tTs]
point_in = True =zQN[
Else eX@L3BKp
point_in = False N F)~W#
End If #o1=:PQaC
End Function