'判断点在区域内函数 r *K
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 ,4'gj0
Dim aob, boc, cod, doa, sum As Single 529b . |
If ppx = p1x And ppy = p1y Then D [+LU(
point_in = True PCl5,]B}
Exit Function CNN9a 7
End If irQ'Rm [
If ppx = p2x And ppy = p2y Then r,;ca6>5H
point_in = True m?(8T|i
Exit Function )'kpO> _G
End If '?C6P5fm
If ppx = p3x And ppy = p3y Then ]LB_ @#
point_in = True (~DW_+?]'
Exit Function brA#p>4]Wf
End If [1rQ'FBB^1
-+ByK#<%
aob = ff_angle(p1x, p1y, ppx, ppy, p2x, p2y) (p2`ofj
boc = ff_angle(p2x, p2y, ppx, ppy, p3x, p3y) P3 "R2-
cod = ff_angle(p3x, p3y, ppx, ppy, p4x, p4y) ,'
k?rQ
doa = ff_angle(p4x, p4y, ppx, ppy, p1x, p1y) F;Q,cg M
sum = aob + boc + cod + doa _r-LX"
If 360.01 > sum And sum > 359.99 Then v_XN).f;
point_in = True -+E.I*st
Else |mt W)
point_in = False | In{5E k
End If rDFrreQP
End Function
