| safeng1122 |
2013-04-08 13:21 |
'判断点在区域内函数 NRDXWscb 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 ^/DP%^D Dim aob, boc, cod, doa, sum As Single p{oc}dWin If ppx = p1x And ppy = p1y Then }C<$q point_in = True 4~J g\@ Exit Function USJk
* End If 2su/I If ppx = p2x And ppy = p2y Then c^x5 E`{ point_in = True =RjseTS Exit Function }ISc^W) t End If 0artR~*} If ppx = p3x And ppy = p3y Then eizni\ point_in = True s|9[=JMG Exit Function \<W/Z.}/ End If W>y& in#lpDa[ aob = ff_angle(p1x, p1y, ppx, ppy, p2x, p2y) BY`vs+]XY boc = ff_angle(p2x, p2y, ppx, ppy, p3x, p3y) }}gtz-w cod = ff_angle(p3x, p3y, ppx, ppy, p4x, p4y) s&F&
*5W doa = ff_angle(p4x, p4y, ppx, ppy, p1x, p1y) HJt@m
&H| sum = aob + boc + cod + doa x<\5Jrqt If 360.01 > sum And sum > 359.99 Then [K""6D point_in = True vX<^x2~9( Else .njk^,N point_in = False YWF Hv@ End If \t?rHB3" End Function
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