'判断点在区域内函数 Jkf%k3H3I*
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 \m Gx-g6
Dim aob, boc, cod, doa, sum As Single C=k]g
If ppx = p1x And ppy = p1y Then ::goqajV
point_in = True (tG8HwV-
Exit Function 4th*=ku
End If u?Pec:3%
If ppx = p2x And ppy = p2y Then v *Dz4K#
point_in = True
p"l GR&b
Exit Function Ufw_GYxan
End If kD}w5 U
If ppx = p3x And ppy = p3y Then dUvgFOy|P
point_in = True m/E$0tf
Exit Function %?sPKOh3N}
End If VWLqJd>tr1
r]+/"~a
aob = ff_angle(p1x, p1y, ppx, ppy, p2x, p2y) frh!dN
boc = ff_angle(p2x, p2y, ppx, ppy, p3x, p3y) v~B
"Il
cod = ff_angle(p3x, p3y, ppx, ppy, p4x, p4y) #B$r|rqamq
doa = ff_angle(p4x, p4y, ppx, ppy, p1x, p1y) `T#Jiq E
sum = aob + boc + cod + doa NsJ]Tp5!
If 360.01 > sum And sum > 359.99 Then Kb$6a'u7
point_in = True gl$}t H
Else ,%^qzoZnT
point_in = False N9S?c
End If |a |## /
End Function
