|
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。5 X0 j( y7 Y C5 b
源代码如下!
: I4 p' d5 L6 i
8 p# _" A r4 r5 }1 r& w% a' r% Z5 p$ o! W- `9 f
- 4 Q* c( ]% M# a% r3 O+ C0 Y0 I: p
复制代码
5 Y- Y/ }& u$ H, h2 m4 K1 c% I8 S) X' Z$ f3 A
char msg[256];4 X9 t0 r |' `8 _) [! f" ?' `
const double vec1[2]={0.2,3.4};/ Z% Q8 b& t6 U& U! E( P
const double vec2[2]={1.5,4.5};
) O* {4 s; ]" q* P9 F3 ndouble scale = 1.5;' Q S% M: w, V5 X' H# H, W
double scale1 = 1.3;
- m$ R4 c6 ? l0 P) r) L8 ]0 Pdouble scale2 = -1.1;
: m$ ]: u7 G7 |9 r2 ^double sumVec[2],vec_comb[2],vec_perp[2];
9 [. f" v- s* qdouble oscale1,oscale2;
, y: W6 @3 E" {" V* Q- V4 mdouble tol = 0.0254;
; C# d, @# l( s+ Iconst double vec_src[2]={1,2};
, R0 D' B6 @1 I4 Z/ N8 x: F) u5 Ndouble vec_dst[2],cross_product,distance,magnitude,mid_pnt[2];
4 S- t' P# e0 s* ^. ldouble unit_vec[2],scale_vec[2],sub_vec[2],neg_vec[2];9 t% W3 t! @4 w1 F
int isEqual,isParallel,isPerpen,isZero;, x. h, u$ I3 I2 m1 @0 {$ ~# u* i
* T( {6 h) V* Y1 p$ Pdouble parameter = 0.5 ;. j" g* z* [' s4 `4 z! e
double pnt1[2] = {0,0};3 [" C. v4 }0 d- k
double pnt2[2] = {2,5};
% b+ [0 i1 {: A4 N. b4 K4 Bdouble pnt_on_seg;
. b+ h5 K, e& m# f+ s2 a) z
0 z7 p8 p w' r8 c* C( i, a b7 ~, B. P3 C
//------------------------------------------------------------------------------
, w# ]3 B: s/ `2 v) N& h( t// Do something; d* p% W+ n( s4 K
//------------------------------------------------------------------------------( {+ i4 q4 u4 P6 d& M
/ G7 q1 H0 \' E* _: a; t
4 I9 `3 g$ L2 D. A
void ufvecTest::do_it()
" \5 i9 Y# m' i1 T$ |{$ A, R, E% X$ r' s, q6 g! q, w
, m' D" b- k3 w: s J7 Y // TODO: add your code here
1 g5 k: E8 ^8 _# W. ?" _ |8 D0 Y/ Q, c! v/ `" S
5 f# T+ W9 Y- `* {1 C
/*
0 q* z* @: p- U ====================== d6 J8 C. w3 D; ^
1 UF_VEC2_add : 两个向量相加
+ k" e' L+ S" F8 j: S: H' A: n% K vec1 + vec2 = sumVec
" R+ c2 g/ T$ r. F7 j ======================
9 [+ i2 v' r3 b */' `7 A5 v& H L( i% p/ s9 f
lw->Open();' t/ W( C5 q' F- R- h
UF_VEC2_add(vec1,vec2,sumVec);* Z# m+ j% E+ R! z" X7 ^1 v1 W
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]);
0 u# Q2 d v- T& K6 k lw->WriteLine(msg);
8 G: K; {" y( o0 p& z/ J* W# |% V3 o4 Y( k2 ?8 p
/* / G3 c0 ]+ \$ W; A
======================
$ c0 S% S1 M: a 2 UF_VEC2_affine_comb : 仿射变换6 q8 v3 X9 r u% i9 R
vec_comb = vec1 + scale * vec2;$ K% b& ?% w( m6 \
======================
8 Y: M: l! Z1 x */2 E8 `+ I& c1 _
; t: N; q) a7 L
UF_VEC2_affine_comb(vec1,scale,vec2,vec_comb);' [# u: A# n) \2 Z) u p$ v
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]);
0 V5 S4 B g' b, _. u5 z$ V2 b lw->WriteLine(msg);
1 G& m: c! |; P. a0 K0 Z3 P. R" T
) O9 j; @( f7 Q- Y /* . @+ m: S8 h7 z, ~2 m
======================
) }( w V2 s8 T8 }; j2 Z& n/ u 3 UF_VEC2_ask_perpendicular : 求出垂直的向量 3 ]( B7 l' n& r1 O9 G
vec1.vec_perp = 0
4 l5 K) m2 Y, U- s ======================
& y0 a" b m1 g; o2 a */# o% O1 y3 \" d U: a9 P. O
# p& @$ D; z7 L4 G: y UF_VEC2_ask_perpendicular(vec1,vec_perp); L4 S5 t' Q, Q7 C* I& E
sprintf_s(msg,sizeof(msg),"vec1{%f,%f} . vec_perp{%f,%f}= 0",vec1[0],vec1[1],vec_perp[0],vec_perp[1]);/ P' @) Y7 B U; M
lw->WriteLine(msg);% E/ J" G6 K3 A5 ]( g S% X- S
2 P; {: P+ l, V6 |+ n7 | /* , m/ ]+ m: D/ X2 U
======================: s0 G, q' i( N: I
4 UF_VEC2_components : 求出垂直的向量
3 O8 D1 X% P# K/ Q, }! `6 U9 ]2 V vec_comb = scale1 vec1 + scale2 vec2
% `$ ?2 N2 E6 l2 a" R 返回: 0 可计算 1 平行3 |, I' J, j9 C8 p% @& x" f& B
======================
2 E8 w; [, N* x */
: T6 U( [" P6 [# T* u7 d
" H, R" l/ l$ J$ `* b int result = UF_VEC2_components(vec1,vec2,vec_comb,tol,&oscale1,&oscale2);
/ {; F3 l1 Z( u; u- e* H6 i% P) h% I sprintf_s(msg,sizeof(msg),"oscale1 = %f,oscale2 = %f, result = %d ",oscale1,oscale2,result);+ ?( C+ H `% Z; p8 w6 q
lw->WriteLine(msg);
' }% Z- x# _& L
+ D( M; U' [) K3 c% \ /*
$ D+ w6 A) g E( g: U' Y3 O ======================& m) s. I- F6 u# y0 f
5 UF_VEC2_convex_comb : 计算点在直线上的位置
2 X S x% f- e pnt_on_seg = (parameter pnt1) + ((1.0 - parameter) pnt2). 0 ?; z) ~6 q* C4 j' n. ]+ R
======================
+ u2 q% S' \, \ */
8 t0 |& w/ K' T* S& \$ v" E+ h' \5 W( M8 u
6 F6 W, J* p& p/ r9 q" U
UF_VEC2_convex_comb(parameter,pnt1,pnt2,&pnt_on_seg);5 b5 u1 v! L# j$ c
sprintf_s(msg,sizeof(msg),"pnt_on_seg = %f",pnt_on_seg); V n% @% `$ N9 e x3 {! w1 _! ] J
lw->WriteLine(msg);
: P3 _* X9 r+ s& o# s5 k. a# p$ z- P( v
/* ( z, }. ?7 ~% I" {8 {
======================! u, ^1 P0 q5 _' c
6 UF_VEC2_copy : 向量拷贝
. d! a5 F2 f: P! D vector (vec_dst = vec_src).7 _9 f. E+ a3 m, ^
======================
m5 S; q' t# Q i& W/ C' }( B */4 d% s5 q! B0 [
?) S8 }3 K- S5 w8 \1 X2 t f+ F6 l! K% o$ t
UF_VEC2_copy(vec_src,vec_dst);
w! J7 ]. M! I3 p 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]);
$ m! I0 P9 ~* @& J, y# X1 [ lw->WriteLine(msg);
5 ]6 }: H4 \7 M0 i4 C" O! P" ^% n6 m: }/ M- ]
/ @) z4 p2 A- Y Q5 o& x /* 0 K% c: v, e$ `; u! @" `% n
======================# ~3 ~) ?9 y, k( D; j
7 UF_VEC2_cross : 向量向量积. ~+ M7 Z& s3 r4 E! Q
cross_product = vec1 x vec2. |& C- Z, C3 i5 s
======================
# i/ U- R6 c) j0 c( ` */
4 j! |' u! P8 v' {2 ]- x" u* L H. {
9 ^! J1 o7 S8 b! t9 ? UF_VEC2_cross(vec1,vec2,&cross_product);" G1 K- V; T Q1 E2 ^
sprintf_s(msg,sizeof(msg),"vec1{%f,%f} X vec2{%f,%f}= %f",vec1[0],vec1[1],vec2[0],vec2[1],cross_product);
6 C5 O B" G G( v lw->WriteLine(msg);
1 a+ Y. r. j9 E: n/ s( H" D# j- ~$ Y$ K# R- l3 L1 S' c+ ~( s3 W
- w* P% I! V/ B X7 d* Y+ {& J) `6 Z
/*
6 m6 U2 v! D. ^ ======================9 ?6 @1 [% x# ~1 _2 ?, L# g
8 UF_VEC2_dot : 向量数量积4 `6 ?3 ^. N6 H& R1 r0 h
cross_product = vec1 . vec2
7 c! n/ P8 ]% W& U# A: S ======================
& T- F' [& F& @ z. i */2 h; o }, p1 V8 k* X* \
7 U9 [5 v$ x9 U
$ x* Z, W* K" F
UF_VEC2_dot(vec1,vec2,&cross_product);
0 U6 V: |9 e# J: @) T, P sprintf_s(msg,sizeof(msg),"vec1{%f,%f} . vec2{%f,%f}= %f",vec1[0],vec1[1],vec2[0],vec2[1],cross_product);8 P% \% K2 U9 i* L6 N6 |
lw->WriteLine(msg);( M; P! @5 h3 `3 I' z% h8 A
; Q3 E' T* N4 l1 C) U! Q+ ?) e9 x
! V1 \5 g; z& q2 r" h
% x* W/ O; [! v7 C: a8 T /*
# i* J( ~' M3 t" c" T" ? ======================; ]( u8 G# a; `: t
9 UF_VEC2_distance : 两点距离
l2 {3 B+ g, G: w (distance = ||pnt1 - pnt2||)+ R) p$ c+ g# K& Q. S
======================2 [8 `& [7 G' Z% e
*/: q! k. Q6 d8 m* z0 o3 F @
4 c* U9 _1 n" L" n+ [+ |( c% c$ D
^8 {+ i. y* j* V/ I* Q
UF_VEC2_distance(vec1,vec2,&distance);
' a: k/ `- F$ x4 `& F0 j0 b9 G sprintf_s(msg,sizeof(msg),"||vec1{%f,%f} - vec2{%f,%f}||= %f",vec1[0],vec1[1],vec2[0],vec2[1],distance);
3 j* _$ y/ }2 u' U" D' q$ d X7 n lw->WriteLine(msg);: c1 ]3 |; |# y5 W& I: F
3 w1 t L& [# B J( k, a /*
; i1 f7 g9 v9 b4 d# s8 ^# ^ ======================
. N( ^/ H, P2 m5 R9 Z 10 UF_VEC2_is_XX : 判断矢量关系
* S# d$ q: `$ s* H* y% {, D 0 = false$ O6 g2 l; A) j) A4 s% w2 R
1 = true1 A5 L4 V6 A$ j8 v8 k5 U$ Z+ B
======================& x; ]" H0 c! G' ~. e% r' U
*/
0 Y2 |4 B6 t' X; l. W- j
8 e2 A- U1 ]+ W- q. q3 _" t$ K; N; n0 B6 X( n% o& s; Q6 O
UF_VEC2_is_equal(vec1,vec2,tol,&isEqual); //相等1 T2 ^9 h2 d. y3 |! W. d3 n C
UF_VEC2_is_parallel(vec1,vec2,tol,&isParallel); //平行% W( Y* b, a2 |% R( p/ u2 E9 u& W
UF_VEC2_is_perpendicular(vec1,vec2,tol,&isPerpen);//垂直* E) c7 E: z5 v% M* E/ S
UF_VEC2_is_zero(vec1,tol,&isZero);//为0# f2 p E7 _$ b' Z
9 z. x7 i1 h5 Y
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);
3 W S0 v$ E& }# Z. B lw->WriteLine(msg);
$ D8 p8 P4 K: U1 y+ Y- T9 l9 q
. Q: F3 I4 Q8 s9 g+ g9 i* ] /* + L& @ Z O8 M
======================
# y& G6 j. q' ~1 T) X7 ^ 11 UF_VEC2_linear_comb : 线形组合: {% c4 ]. e8 j3 Q
vec_comb = (scale vec1) + (scale2 vec2)6 _* ~- W& G' @# a
======================8 Y! u- n3 B9 j$ v
*/0 q4 h* K+ E7 _2 g$ R, o3 a
, c: Z l* k( ]; Q+ k8 J# n( [7 } UF_VEC2_linear_comb(scale1,vec1,scale2,vec2,vec_comb);
" P# g# i/ P; q. W" `' ?: w
! M3 i, r, E- D1 ~ 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]);
- E; {+ Y p6 q4 P F6 ?. ] lw->WriteLine(msg);
( W* V7 A' T" _% m% t* }# a
( A! W8 c; V5 |6 ~/ z# `2 e7 n /* 5 ~, a7 N3 v# Q, P, I
======================
) e/ d- W8 j- K( e) I0 J 12 UF_VEC2_mag : 向量模8 g& E4 o" V: R9 _
magnitude = ||vec||- l [) N" S0 ]3 J" ^
======================
9 w! P! Y+ v1 i( G8 x: {& i$ g */+ `' O8 ^1 |% x9 g" t
5 v4 C' `) r9 K7 l6 H7 O5 s
UF_VEC2_mag(vec1,&magnitude);
% r+ l1 ~3 ?0 g! L
3 v8 q% H/ i! p& ~+ d sprintf_s(msg,sizeof(msg),"UF_VEC2_mag = ||{%f,%f}|| = %f",vec1[0],vec1[1],magnitude);+ Y3 p9 p* Y) B3 K' E
lw->WriteLine(msg);2 y [+ D/ U- w. a
0 K$ _7 `7 f1 V /* 3 f; D& O. _' a- y( h- d
======================8 F0 D' M2 u1 P, z9 A$ ]4 h/ }
13 UF_VEC2_midpt : 求中点 $ l6 h+ }- z% }8 Z9 L) ~& f
mid_pnt = (0.5 pnt1) + (0.5 pnt2) Y% v( S5 X. P5 |7 j1 m( r& C" b! Q2 V- f
======================
. Y/ Z" K* V3 m7 k1 M* f+ \ */7 S4 @6 Z) Q4 N* g. G7 q+ w* \
5 }5 T9 w3 E& G4 k( F% ~) B+ _ UF_VEC2_midpt(vec1,vec2,mid_pnt);
& l# H7 w5 R8 {% L( P5 y' R# X6 t
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]);
# p2 P* Q& U1 o( W lw->WriteLine(msg);2 l/ {' w+ O- c ]. F' s5 W5 o
) w3 n0 V$ n$ i+ g* F8 `
/* & `. R+ c; O, ~6 _. H& d
======================
6 r K! A8 U( j4 C- N8 T) C 14 UF_VEC2_XXX : 向量的其他操作,反向,求差,单位划
" L( r5 d& Q# k. _' j8 J ; E6 z, k& l ^7 D* W/ D
======================- y% h% W+ f2 w4 p& O
*/* K0 B5 |1 p2 U7 @
6 N6 D7 O! O( J3 u
UF_VEC2_negate(vec1,neg_vec);4 ?0 _1 c! b' w: k+ g9 {
UF_VEC2_rotate(vec1,2,vec_comb);
. s1 O" h, n4 N: Y; i' G6 x UF_VEC2_scale(scale,vec1,scale_vec);
7 \# a9 k8 S$ s8 N UF_VEC2_sub(vec1,vec2,sub_vec);2 Z" p0 n* Y5 p1 k( l) H; q. M
UF_VEC2_unitize(vec1,tol,&magnitude,unit_vec);# f5 L/ ^1 c: D, K9 s
G% F1 w& |! F! a9 k, Q" T- s7 y4 E 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],
8 E% y) O' h% K6 ^ 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]);( C$ q: [: K3 n' y
lw->WriteLine(msg);
: M& ^& h: P8 q' o& r0 a
1 P& |% t0 ~0 ~) l8 U2 p2 U
# o+ N/ n3 O0 R! Z/ }4 ^- z/ j) R0 P}
) z. B' \9 \& S3 E2 Y3 c. X8 b5 g0 y `% Y' ^! [8 A/ n" T
0 t% h3 f4 A: B4 a5 U: `* S
|
|