'判断点在区域内函数 sXxF5&AF0
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 #|`/K[.xd%
Dim aob, boc, cod, doa, sum As Single `~Nd4EA) 2
If ppx = p1x And ppy = p1y Then !Ziq^o.
point_in = True Z[:fqv XQ
Exit Function E`%Ewt$Z
End If .n]P6t
If ppx = p2x And ppy = p2y Then +V*FFv
point_in = True tn}; [r
Exit Function 0]3%BgZ(a8
End If Z|+SC \Y
If ppx = p3x And ppy = p3y Then y)_T!&ze
point_in = True GW a_^
Exit Function VKRj
1LXz
End If I ;kKY
k6 -.XW
aob = ff_angle(p1x, p1y, ppx, ppy, p2x, p2y) x gP/BK2"
boc = ff_angle(p2x, p2y, ppx, ppy, p3x, p3y) 3#vhQ*xU
cod = ff_angle(p3x, p3y, ppx, ppy, p4x, p4y) RkP g&R;i
doa = ff_angle(p4x, p4y, ppx, ppy, p1x, p1y) 7KU/ 1l9$9
sum = aob + boc + cod + doa :FOMRrf7.
If 360.01 > sum And sum > 359.99 Then uTY5.8
point_in = True .hW_P62\#
Else biFy*+|
point_in = False ]l.y/pRP5[
End If o(5Xj$Z
End Function
