'判断点在区域内函数 (rBsh6@)
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 ~+4lmslR
Dim aob, boc, cod, doa, sum As Single V[/ 9?5pM
If ppx = p1x And ppy = p1y Then o-RZwufZ`
point_in = True f~mwDkf?L
Exit Function jJiuq#;T3
End If %;:![?M
If ppx = p2x And ppy = p2y Then X^eyrq v
point_in = True Ly2,*\7
Exit Function 9/0H,qZc
End If x/<]/D
If ppx = p3x And ppy = p3y Then nb/q! 8
point_in = True ~wW]n tZm
Exit Function C<^i`[&P$
End If tB>!1}v
sX~E ~$_g
aob = ff_angle(p1x, p1y, ppx, ppy, p2x, p2y) R|qrK
boc = ff_angle(p2x, p2y, ppx, ppy, p3x, p3y) t^":.}[Q
cod = ff_angle(p3x, p3y, ppx, ppy, p4x, p4y) \UK}B
doa = ff_angle(p4x, p4y, ppx, ppy, p1x, p1y) u/j\pDl.
sum = aob + boc + cod + doa HU?1>}4L
If 360.01 > sum And sum > 359.99 Then lot`6]
point_in = True X2 A k
Else Gxe)5,G
point_in = False G^d3$7
End If 9y6u&!PZ\
End Function
