| safeng1122 |
2013-04-08 13:21 |
'判断点在区域内函数 >i %{5d 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 |#);^z_ Dim aob, boc, cod, doa, sum As Single 8[Ssrk If ppx = p1x And ppy = p1y Then RG9YA&1ce point_in = True VL5GX( Exit Function eot]VO: End If _H9.AI If ppx = p2x And ppy = p2y Then |UN0jR point_in = True dBKL_'@@} Exit Function iX]Vkx End If IvFxI#.ju If ppx = p3x And ppy = p3y Then Fy^=LrH=D point_in = True @7Oqp- Exit Function X!,2/WT End If 3 xSt -MA gJE m aob = ff_angle(p1x, p1y, ppx, ppy, p2x, p2y) 18ApHp boc = ff_angle(p2x, p2y, ppx, ppy, p3x, p3y) 5\MCk "R! cod = ff_angle(p3x, p3y, ppx, ppy, p4x, p4y) B8){ doa = ff_angle(p4x, p4y, ppx, ppy, p1x, p1y) 038|>l-9[ sum = aob + boc + cod + doa K}e%E&|> If 360.01 > sum And sum > 359.99 Then 'O%itCy) point_in = True OT[&a6 | |