'判断点在区域内函数 ;uj&j1
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 /E F0~iy
Dim aob, boc, cod, doa, sum As Single duCxYhh|
If ppx = p1x And ppy = p1y Then 45` i
point_in = True .UF](
Exit Function 0|kkwZVPn
End If qjQR0MC
If ppx = p2x And ppy = p2y Then @sUYjB
point_in = True T8( \:v
Exit Function *Y"Kbn6
End If ^'j? {@
If ppx = p3x And ppy = p3y Then kR2kV"-l
point_in = True `)Z"||8K
Exit Function ocCq$%Ka
End If fYrC;&n
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aob = ff_angle(p1x, p1y, ppx, ppy, p2x, p2y) e 4-
boc = ff_angle(p2x, p2y, ppx, ppy, p3x, p3y) tHAr9
cod = ff_angle(p3x, p3y, ppx, ppy, p4x, p4y) Bw
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doa = ff_angle(p4x, p4y, ppx, ppy, p1x, p1y) l"70|~
sum = aob + boc + cod + doa $+CKy>
If 360.01 > sum And sum > 359.99 Then ~d]X@(G&
point_in = True {cmY`to
Else S B2R
point_in = False Ws%@SK
End If DX>Yf}
End Function