|
请使用QQ关联注册PLM之家,学习更多关于内容,更多精彩原创视频供你学习!
您需要 登录 才可以下载或查看,没有账号?注册
x
在UG的二次开发中,通常需要使用向量来进行判断,此处给出常用的向量使用教程。以二维向量为例,三维以此类推。* V9 w9 C) g* X: r! ~0 t4 O
源代码如下!
# m7 _1 h7 G- D, P
/ u7 [; R6 @4 Z+ l6 d. U# e0 a+ r8 F( K! z- V
5 `: t1 `* a6 f. A. S- l+ j
复制代码
- m& u- ^ n* w6 n
8 _9 y8 o# M1 U% l% g3 w3 Rchar msg[256];+ G) T! e) M% L+ J/ X) a: T
const double vec1[2]={0.2,3.4};
' k6 X" N u: F: ]const double vec2[2]={1.5,4.5};
: C& }. t5 J) k; \1 h( ^8 tdouble scale = 1.5;- E8 M! f% ^# |6 s2 l
double scale1 = 1.3;8 U7 K- z- W. g, T* m7 @! m5 }) r! ]
double scale2 = -1.1;
$ H% K' p8 w1 }double sumVec[2],vec_comb[2],vec_perp[2];3 G4 C3 u7 d# n$ R5 M) {# y6 v
double oscale1,oscale2;
% R, J5 t; G8 Y7 ?3 h# J/ qdouble tol = 0.0254;
1 V1 s; w: J0 n$ aconst double vec_src[2]={1,2};! _4 m& {$ p" v7 ` O) t
double vec_dst[2],cross_product,distance,magnitude,mid_pnt[2];' e: k% `' v+ W' Q' ?" h
double unit_vec[2],scale_vec[2],sub_vec[2],neg_vec[2];! N. y+ ~) z _ O1 f
int isEqual,isParallel,isPerpen,isZero;
4 f8 M% l' }5 ^3 k7 m0 c
- l0 v8 C9 r) W# b1 v; Pdouble parameter = 0.5 ;
! a' E2 r6 @; R; D& @$ o4 ?double pnt1[2] = {0,0};
3 x: T: `9 {" W0 `double pnt2[2] = {2,5};
0 {2 U+ d+ T* K$ C, z. mdouble pnt_on_seg;. ?( g- Y4 J5 k; T
- Z$ f. M1 D( E; P2 B
6 r) ~% n# y( c0 S4 C! C+ h7 i
//------------------------------------------------------------------------------$ N2 x& N" I, B# L! [2 W( M
// Do something! ~+ v0 T9 N! H M) T
//------------------------------------------------------------------------------
. t; N; H3 m, T* }2 _1 s" J. [* I9 Q& p( w# r" i% R
) ~9 S( P7 G, E! [
void ufvecTest::do_it()
) J$ Q" _1 T d4 ~4 q* k$ ?" c- i{
6 f* a9 h9 r# p# Y' O2 K6 h
; M. e* j# d2 s& Y6 R$ `3 x // TODO: add your code here# {9 H" Y6 D4 V+ G& ^
: I6 E5 E; z6 ?3 h; W% ]/ y5 I+ R1 F 4 z4 }+ m9 `7 _- I: K
/* " t( k% A1 v8 ], O
======================4 u# |: _. t L1 X: g2 Q. W+ ^
1 UF_VEC2_add : 两个向量相加
3 G7 g a$ g( Q vec1 + vec2 = sumVec/ d& w* w! _; c: W' K
======================
$ v" u# ]8 N- ^ */
& F; o$ c1 y* \- A& K lw->Open();* k# r' u/ P% ] v0 n8 B
UF_VEC2_add(vec1,vec2,sumVec);
8 C- |* z. H6 q sprintf_s(msg,sizeof(msg),"vec1{%f,%f}+vec2{%f,%f}={%f,%f}",vec1[0],vec1[1],vec2[0],vec2[1],sumVec[0],sumVec[1]);, ^2 V% J4 r$ I7 @- q
lw->WriteLine(msg);) h9 q( D; M5 b' K( Y( R. l
: |0 _7 y# ~( z( A6 }
/*
+ w9 x7 f7 a$ ~) \" a4 M1 ~( v ======================0 }' J# \3 @0 j( Y, @
2 UF_VEC2_affine_comb : 仿射变换* E! T; x# X2 d, l ~
vec_comb = vec1 + scale * vec2;
0 b7 l4 Y: u C% T: f, e2 B ======================6 c; k2 b: y1 h( q6 p
*/. w' _- Z4 }2 P# l
; e! H! _; H3 U0 C" V UF_VEC2_affine_comb(vec1,scale,vec2,vec_comb);% V- P% Y8 q" w" q% E; W) n9 }
sprintf_s(msg,sizeof(msg),"vec1{%f,%f}+%f * vec2{%f,%f}={%f,%f}",vec1[0],vec1[1],scale,vec2[0],vec2[1],vec_comb[0],vec_comb[1]);8 |. q; c `0 Y; Y4 ^
lw->WriteLine(msg);
. } D$ A0 v5 Z/ l. v, W$ u' C1 w0 S# m$ x' P
/*
8 G6 H% B0 C- l# x5 H4 V* a ======================
$ _- [' J1 ^) i7 r: K 3 UF_VEC2_ask_perpendicular : 求出垂直的向量 " d" r) D3 p9 @) s4 o* o i
vec1.vec_perp = 01 n" S1 J! \2 d) h! T& J
======================, h T; i0 b- d$ A
*/
! ?* G+ u: D# ]1 r) x6 k
: {. r( i5 ~ g3 w' o UF_VEC2_ask_perpendicular(vec1,vec_perp);
+ a; F! k8 e: [/ C sprintf_s(msg,sizeof(msg),"vec1{%f,%f} . vec_perp{%f,%f}= 0",vec1[0],vec1[1],vec_perp[0],vec_perp[1]);
6 {# M2 P- i5 R/ S lw->WriteLine(msg);" a5 Z4 k2 G2 ~
5 u. `" v/ l/ K2 q$ U" ` /*
: p4 @# }$ x9 z. |; L. N* U: n3 p4 [6 g8 d ======================" V" r, @. o" S
4 UF_VEC2_components : 求出垂直的向量
2 O1 w4 r3 ]/ j vec_comb = scale1 vec1 + scale2 vec2
* E' Z$ ~5 A, L8 Q1 ? 返回: 0 可计算 1 平行
l! @' a) x M2 l4 g& a ======================/ @/ l+ U( x- J' O/ Z
*/
. ~7 [3 R; n8 O4 Z" u) ^, C! f0 ~2 \$ A% i* G) b
int result = UF_VEC2_components(vec1,vec2,vec_comb,tol,&oscale1,&oscale2);7 }# M5 e2 |( K }
sprintf_s(msg,sizeof(msg),"oscale1 = %f,oscale2 = %f, result = %d ",oscale1,oscale2,result);
$ a* u+ G. ^3 J9 R4 \ lw->WriteLine(msg);6 Y" L( H, @; ]- e
7 \2 K; Z1 S5 y$ Z _# C /*
' @) O2 v' { x& }# k' l ======================
9 k% U# `/ c# V7 B d W* P% G 5 UF_VEC2_convex_comb : 计算点在直线上的位置, S3 ?2 q& O7 ^- s7 s
pnt_on_seg = (parameter pnt1) + ((1.0 - parameter) pnt2). + _+ z" r1 k7 D6 N0 G
======================
9 z+ k! Q4 i% @- M* b */
& m: ?0 p$ _" f# A* @1 x
# L( S) t Z$ l; I. `% o" n6 a) {4 z
UF_VEC2_convex_comb(parameter,pnt1,pnt2,&pnt_on_seg);
/ E: O1 G% ~4 Z2 @ U sprintf_s(msg,sizeof(msg),"pnt_on_seg = %f",pnt_on_seg);
' ^5 O0 f" M. D7 \- f' ]2 D( K3 D9 l lw->WriteLine(msg);3 T/ t4 A' |; u9 l
" p/ s6 ]& n, p( L6 t
/*
7 @) R1 L/ O: i& q3 ~ ======================
( L( X0 l. u4 o1 j) D; D3 c( ] 6 UF_VEC2_copy : 向量拷贝+ V1 d; _* H: h4 V" i8 G* |2 G
vector (vec_dst = vec_src).
5 c, n* Y, L3 x2 S; M/ E w ======================
3 l. D. N# B0 T: U( R */
0 z! K7 @5 O; ^/ U
8 g' g* y) c3 Q8 d( _
" j* c/ o9 N$ E3 [( g7 t UF_VEC2_copy(vec_src,vec_dst);
9 {. X% q m* `9 ~( z& M, Y1 O sprintf_s(msg,sizeof(msg),"vec_src = {%f,%f}\tvec_dst = {%f,%f}",vec_src[0],vec_src[1],vec_dst[0],vec_dst[1]);
+ b$ d) S& {$ J6 C7 o( j8 |4 b lw->WriteLine(msg);( z# W, [* w+ w7 E
7 X9 p2 S: @5 K6 \; s+ y% m
8 R: q1 g0 M2 ~ /* 3 I$ O' y; M0 o. g
======================
, U0 m$ N7 C5 |9 @/ l 7 UF_VEC2_cross : 向量向量积/ I1 I4 \% x9 D, h1 b$ Z4 `+ G
cross_product = vec1 x vec22 w# f6 p( R7 D S2 V( m* m
======================3 l9 z% V r; j( }4 g, y- ?& J
*/( ?* }! }. R) f% u: G+ o
$ \4 `- v y6 r( O# m% }
+ H5 l7 H8 l3 G) \! P UF_VEC2_cross(vec1,vec2,&cross_product);3 s* E0 [, H1 S
sprintf_s(msg,sizeof(msg),"vec1{%f,%f} X vec2{%f,%f}= %f",vec1[0],vec1[1],vec2[0],vec2[1],cross_product);
; W, X1 t" W0 W' _, D) k% n& U- n lw->WriteLine(msg);
, K& S. U8 w \! I: \. y N
4 L I' |3 E; f! O6 o
: p7 u5 ^# G2 ~* {$ ^ /*
1 }5 `7 N1 U. @% N) u6 @; a* x ======================: _6 e, E( }8 x* K: C" y$ Q
8 UF_VEC2_dot : 向量数量积; G1 m; J, L4 Z+ R5 R! g1 S/ z
cross_product = vec1 . vec2
8 Q& d1 H' | s3 e$ h ======================
8 l9 {" I8 l6 t7 e9 y ~4 W */( e1 v% L7 m `7 E& i
# k# M% d4 f& x0 q6 t# T/ D4 s, p \3 |6 w2 U: q
UF_VEC2_dot(vec1,vec2,&cross_product);8 f. e4 F, B7 b( A1 X
sprintf_s(msg,sizeof(msg),"vec1{%f,%f} . vec2{%f,%f}= %f",vec1[0],vec1[1],vec2[0],vec2[1],cross_product);
8 W/ O: x& @3 ~& d! T lw->WriteLine(msg);6 t/ U5 \, Q2 O* W% A1 p) g
6 m/ B+ K" J; y1 @/ N
2 N5 l& {( R5 W6 @) H ! K" ~1 |7 S% S$ z
/* 9 C" X) n) h5 f/ `: e9 c* v3 _$ Q
======================$ a& a9 ]! Z0 W( q' f
9 UF_VEC2_distance : 两点距离) S* r1 Y' |8 Y5 a8 K( c0 ~
(distance = ||pnt1 - pnt2||)
3 C6 m; v) z& v: `" e) F# F! x ======================
$ d0 C& g5 v5 j A */
1 A$ w& |- s! G c6 A; R" ]7 h& E4 O/ s: U4 S& f
' F+ w8 G2 [! f+ y$ N$ v2 |
UF_VEC2_distance(vec1,vec2,&distance);
- J1 d) X1 c- f- l+ q, n! v6 Z sprintf_s(msg,sizeof(msg),"||vec1{%f,%f} - vec2{%f,%f}||= %f",vec1[0],vec1[1],vec2[0],vec2[1],distance);
8 }, e" c; F- X# j- G) d2 F" O lw->WriteLine(msg);4 q' D# Z, P# r. M; B4 c& ^
8 |. J/ U: D2 L7 C /*
- w2 @% A7 t6 J- d: c+ W: [ ======================; n1 A8 i. S) j) a5 T
10 UF_VEC2_is_XX : 判断矢量关系
/ ]) J8 D& y+ K7 X6 n& p# r7 B 0 = false( U9 k: C3 v0 M) W4 [
1 = true
/ m" n d; v) W2 E) _# u4 ` ======================
$ _& B& U" H& b */9 }0 P; \& O* @* I* T3 u
" e: F; j, q: R* Q( U+ U$ ^% x! m7 t/ \# J
UF_VEC2_is_equal(vec1,vec2,tol,&isEqual); //相等
3 I' ^( J4 s0 V% f( V UF_VEC2_is_parallel(vec1,vec2,tol,&isParallel); //平行$ a! H; G9 J+ H& H% `
UF_VEC2_is_perpendicular(vec1,vec2,tol,&isPerpen);//垂直% w- s' S& Y/ h" D; t8 j
UF_VEC2_is_zero(vec1,tol,&isZero);//为0. G2 T1 `7 i, K) N
# r3 K0 U+ Q6 {4 N/ e- K! X4 g' F \ sprintf_s(msg,sizeof(msg),"vec1{%f,%f},ve2{%f,%f} is %d equal,%d parallel,%d perpendicular,%d zero",vec1[0],vec1[1],vec2[0],vec2[1],isEqual,isParallel,isPerpen,isZero);
. E4 |. m, r! Y- ]3 M# E lw->WriteLine(msg);- R- ]- a) F0 w
/ _$ L/ V9 R9 y0 j* k /*
, R) P# f) X( D7 a2 `, T: c: w ======================' w% S3 c/ G* Y. d3 J+ S
11 UF_VEC2_linear_comb : 线形组合8 x" Z+ ^: q* T* P6 R
vec_comb = (scale vec1) + (scale2 vec2)8 {- P5 {* Y; d: O3 g& \' E: Y
======================: d4 S; D$ H4 @& }! _4 u* I7 {
*/
0 i3 Z# o2 E( e' ]' M: l* o3 s8 P. {" s/ p8 W, x
UF_VEC2_linear_comb(scale1,vec1,scale2,vec2,vec_comb);7 i( V) b# q. ^: C
$ @9 t& s7 d( @6 w C }# b
sprintf_s(msg,sizeof(msg),"vec_comb = (%f {%f,%f}) + (%f {%f,%f}) = {%f,%f}",scale1,vec1[0],vec1[1],scale2,vec2[0],vec2[1],vec_comb[0],vec_comb[1]);6 B: S: w( b2 ?& z# r3 z7 _
lw->WriteLine(msg);% W5 o1 {: F# W9 P' K7 T7 a. p
+ `0 Q; `! K5 W/ Q" f
/* ) M% G' _4 g8 f) `
======================. t( [' R2 H1 D
12 UF_VEC2_mag : 向量模! [1 f. t0 {; O; c. ^ w8 I" U! E8 g
magnitude = ||vec||
/ |# [7 s, o, B3 t, z' U. C ======================2 r0 w4 C" h+ s* [( s
*/9 \3 Q S h. `
& P% P! Z) c9 M. U) g2 Q4 d
UF_VEC2_mag(vec1,&magnitude);
: G2 Q! M/ p2 t' |. ~( C# n
p/ {1 B7 v* E4 V1 y7 Y sprintf_s(msg,sizeof(msg),"UF_VEC2_mag = ||{%f,%f}|| = %f",vec1[0],vec1[1],magnitude);$ U# N u7 n' y# F% f( o
lw->WriteLine(msg);1 z; B( X: A( a1 }! K
& _) E; `- c4 ]; k2 `3 m& x /* 4 W1 U$ A5 D1 ^
====================== \6 G S9 q' k) l# L- J
13 UF_VEC2_midpt : 求中点
3 @. A$ m \' }5 d% v) L8 U. h mid_pnt = (0.5 pnt1) + (0.5 pnt2)3 o |1 H3 D2 l I+ z
======================6 c1 }; E: H) d, Z( P+ Q6 U) `+ W1 y
*/
; y; ^ P. Y) m! m% |' v
2 ?# `8 h3 f. @* s; Q" a4 x2 _- G, r UF_VEC2_midpt(vec1,vec2,mid_pnt);
8 s% s8 o. y6 b6 S4 M3 f: C3 J& K
. Z7 z7 w8 v* y sprintf_s(msg,sizeof(msg),"UF_VEC2_midpt = point1 {%f,%f},point2 {%f,%f} = (%f,%f)",vec1[0],vec1[1],vec2[0],vec2[1],mid_pnt[0],mid_pnt[1]);
* l ~) u8 N: L, A lw->WriteLine(msg);5 G# x0 M5 Z, M4 c8 _8 L
% @" u6 d( p1 H7 l+ ~ /* 9 c( M, A# [( I' w- j
======================
, H3 V6 O* e @0 s, p* a+ L 14 UF_VEC2_XXX : 向量的其他操作,反向,求差,单位划1 \. F) S; S2 ^
2 \3 C @6 O8 P% A# i( ? ======================
% _/ W! Z, e$ x$ |2 { */
$ B. ^8 y" v6 ?2 p9 O. F/ `
3 q! I4 u- C: a( |$ G UF_VEC2_negate(vec1,neg_vec);
: F$ C3 A$ ?+ y0 ?# k- f# k r UF_VEC2_rotate(vec1,2,vec_comb);
! _. b) Q! C0 m2 M1 e. P6 t UF_VEC2_scale(scale,vec1,scale_vec);4 a$ C/ J0 v9 l3 H
UF_VEC2_sub(vec1,vec2,sub_vec);
+ w5 c9 F: |/ X! ]+ M/ g9 c8 M/ ` UF_VEC2_unitize(vec1,tol,&magnitude,unit_vec);
: Z' y/ e- }- I- n3 | q3 D$ Y: s$ c! p
sprintf_s(msg,sizeof(msg),"vec1{%f,%f},vec2{%f,%f}:negative(%f,%f),rotate(%f,%f),scale(%f,%f),sub(%f,%f),unitize(%f,{%f,%f})",vec1[0],vec1[1],vec2[0],vec2[1],neg_vec[0],neg_vec[1],- W, _( t: v& g/ Q
vec_comb[0],vec_comb[1],scale_vec[0],scale_vec[1],sub_vec[0],sub_vec[1],magnitude,unit_vec[0],unit_vec[1]);: ~: F% I5 w O, V$ u
lw->WriteLine(msg);6 e0 Z/ w2 I9 P4 p
* c5 M& C7 q1 b! l% t
9 h/ h, r) c" C& F) O7 y* y6 |
}2 k! |' ]3 p8 X% R
9 M3 f! ]! o/ @1 C0 V
9 C! g0 k& g9 f- o/ F. S |
|