'判断点在区域内函数 +~7x+6E
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 w$evAPuz^
Dim aob, boc, cod, doa, sum As Single ns&3Dh(IVP
If ppx = p1x And ppy = p1y Then )w_hbU_Pb&
point_in = True ~VKuRli|m
Exit Function |uIgZ|7[
End If YXlaE=9bn
If ppx = p2x And ppy = p2y Then %(X^GL
point_in = True 3nbTK3,
Exit Function !r#36kO
End If *-vH64e
If ppx = p3x And ppy = p3y Then sqv!,@*q
point_in = True 6N#0D2~^
Exit Function !^x;4@Ejm
End If 1)BIh~1{p
INRP@Cp1
aob = ff_angle(p1x, p1y, ppx, ppy, p2x, p2y) _g]h \3
boc = ff_angle(p2x, p2y, ppx, ppy, p3x, p3y) 1G}\IK1+
cod = ff_angle(p3x, p3y, ppx, ppy, p4x, p4y) &-c{
doa = ff_angle(p4x, p4y, ppx, ppy, p1x, p1y) (R|_ 6[zy
sum = aob + boc + cod + doa d1>L&3HKx
If 360.01 > sum And sum > 359.99 Then [sXnB$
point_in = True +v)+ k
Else q&nEodv>+
point_in = False t!&p5wJ*Q
End If IQ $/|b/
End Function