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extern UFUNEXPORT int UF_CURVE_intersect
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& ^- ?0 A K7 u" `, d0 G/ q/ I tag_t curve, /* <I> object id of the curve or edge */
9 y7 @6 O$ T9 V tag_t entity, /* <I> object id of the curve, edge, face,+ y. W, A3 i$ i7 Z1 B$ l
single face body, plane or datum plane */ s% t, H! j5 S5 A
double ref_point[3], /* <I> reference point to select from* k, u$ V2 R9 q) N7 `4 t
multiple intersections, intersection closest1 F5 k" Y8 t% {' ?
to this point will be output *// D' |8 |5 D$ n0 ]; v5 A8 ~. F
UF_CURVE_intersect_info_p_t out_info /* <O> - intersection information */
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F0 f( i5 e `& }1 }# V请问这个求2曲线的交点的函数
. d; f3 o, r) f+ Y第三个输入参数是啥意思?
; ]# H: o8 A; u; R" K( {( t4 Y真的看不懂,
- M- X3 V; K3 h, ^6 G, x帮我指导下吧
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