'判断点在区域内函数 yTyj'-4
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 ^le<}
Dim aob, boc, cod, doa, sum As Single ZkgV_<M|
If ppx = p1x And ppy = p1y Then =31"fS@
point_in = True sI43@[
Exit Function d]`CxI]
End If jy7\ +i
If ppx = p2x And ppy = p2y Then a! (4Ch
point_in = True s J\BF
Exit Function < 3(LWxw
End If uzXCIv@
If ppx = p3x And ppy = p3y Then h,QKd>4:CF
point_in = True ?M$.+V{ a
Exit Function SD#]$v
End If hrmut*<|
qsL) }sC^8
aob = ff_angle(p1x, p1y, ppx, ppy, p2x, p2y) (w&F/ynO:
boc = ff_angle(p2x, p2y, ppx, ppy, p3x, p3y) 4p e'06:
cod = ff_angle(p3x, p3y, ppx, ppy, p4x, p4y) )Z[ft
doa = ff_angle(p4x, p4y, ppx, ppy, p1x, p1y) yZd +^QN
sum = aob + boc + cod + doa "vA}FV%tRq
If 360.01 > sum And sum > 359.99 Then $v,dz_O*\
point_in = True &6DMk-
Else hS_6
point_in = False QU# w%|
End If ?m
