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extern UFUNEXPORT int UF_CURVE_intersect3 K9 v; n. V) a4 R: ]
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tag_t curve, /* <I> object id of the curve or edge */4 T7 A& p# Z& c+ d Q# l
tag_t entity, /* <I> object id of the curve, edge, face,+ g/ k6 j r( b, g
single face body, plane or datum plane */
2 {9 a3 w9 B, D# a+ Q# \ double ref_point[3], /* <I> reference point to select from- o) V/ S% @5 R
multiple intersections, intersection closest6 K/ Q* l, J5 `' J
to this point will be output */
5 T5 e& W% v% s \6 e: x+ F1 [) k UF_CURVE_intersect_info_p_t out_info /* <O> - intersection information */3 @/ n5 D5 t0 k
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请问这个求2曲线的交点的函数' z- X3 S6 z2 k0 T2 }. v
第三个输入参数是啥意思?6 R7 V& f& A N3 \5 k: ~
真的看不懂, ^8 L- j) F3 o# w% j6 }' j) C0 O/ p
帮我指导下吧
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