'判断点在区域内函数 hLyTUt~\L
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 hSkc9jBF
Dim aob, boc, cod, doa, sum As Single 1A?\BJ"
If ppx = p1x And ppy = p1y Then 2GiUPtO&Gj
point_in = True &'huS?gA9
Exit Function 9b" 9m*gC
End If S7UZGGjTk
If ppx = p2x And ppy = p2y Then 62MRI
point_in = True YH'$_,8peM
Exit Function mZbWRqP[|_
End If `\/toddUh[
If ppx = p3x And ppy = p3y Then P>{US1t
point_in = True J+}+"h~.
Exit Function FI1THzW4J
End If e' U"`)S
tIGVB+g{F
aob = ff_angle(p1x, p1y, ppx, ppy, p2x, p2y) R,x> $n
boc = ff_angle(p2x, p2y, ppx, ppy, p3x, p3y) yV J dZ I
cod = ff_angle(p3x, p3y, ppx, ppy, p4x, p4y) jF38kj3O7
doa = ff_angle(p4x, p4y, ppx, ppy, p1x, p1y) pK6e/eC
sum = aob + boc + cod + doa }xkLD!
If 360.01 > sum And sum > 359.99 Then "w*+v
point_in = True atLV`U&t
Else fjIcB+Z
point_in = False 6WE&((r^
End If ?o~:'Z
End Function