| safeng1122 |
2013-04-08 13:21 |
'判断点在区域内函数 uQdeKp4( 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 -Mo4`bN Dim aob, boc, cod, doa, sum As Single 4~
x>] If ppx = p1x And ppy = p1y Then eC/{c1C point_in = True qO@vXuul, Exit Function 4K cEJlK5 End If Zbo4{.# If ppx = p2x And ppy = p2y Then a`Bp^(f} point_in = True 9Qyc!s` Exit Function (j>`+F5f End If B7Ket8<J If ppx = p3x And ppy = p3y Then w5Fk#zJv point_in = True \O*ZW7?TJ Exit Function <MEm+8e/s6 End If smCACQ$(
yz [pF aob = ff_angle(p1x, p1y, ppx, ppy, p2x, p2y) -w+.' boc = ff_angle(p2x, p2y, ppx, ppy, p3x, p3y) '@t,G,FJ cod = ff_angle(p3x, p3y, ppx, ppy, p4x, p4y) .XgY&5Qk doa = ff_angle(p4x, p4y, ppx, ppy, p1x, p1y) 8jCho sum = aob + boc + cod + doa %@QxU-k_ If 360.01 > sum And sum > 359.99 Then :{<|,3oNdR point_in = True .BxI~d^ Else WD4"ft point_in = False t %u0=V End If tDETRjTA End Function
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