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NX二次开发源码分享:动态画圆,指定屏幕点和向量相关用法( r R; V+ J; e! S
: i9 c" s1 s' T" l
% P8 {9 L" D% t& h9 u7 H这个案例很不错的,分享下,程序运行的结果是指定屏幕,拖拉即可动态绘制圆圈!
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9 p( P% s/ p3 `6 L% j#include <stdio.h>
) ~5 A9 ~! z& ]& V0 s) {7 U#include <uf_defs.h>
# f) P- S, S- p#include <uf.h># g2 g$ {& T; U0 X8 S2 H3 p/ r: N
#include <uf_ui.h>2 ^8 H8 ^+ q0 L5 K0 {
#include <uf_csys.h>
9 ~" p; N: @8 _$ W#include <uf_vec.h>
6 p2 ? K% x5 X3 w; e2 A#include <uf_disp.h>
% z. m/ d, h+ S#include <uf_curve.h>' h' q: j" Q. X, v
#include <uf_mtx.h>
! Z) r6 Z/ z o9 a* A#include <uf_obj.h>& L' G2 W, |+ Q p2 w
typedef struct' ?% y( q* D2 ?
{ UF_CURVE_arc_t *arc;3 a; w2 u0 p; t* G
double abs_ctr[3];
& f5 ]6 n, K6 A" N8 l5 h2 u double matrix[9];
+ t* i, U% e6 i) b double x_axis[3];" F3 p! A" J5 v! d+ v
double y_axis[3];/ D* Z6 X m+ U) [0 t
} my_motion_data_t;
& O$ |3 p5 \9 D! b/* Define a motion callback to render a visual representation of% B! T. O3 a# @1 s9 ~
* the circle to be created, along with a bounding box around the
b# U* d# Y4 e3 E6 ~5 j3 R) x * circle, an arc of radius 1.0, and a "rubberband" line from the
* V- B) V0 m! B9 c2 b$ _ * center to the cursor position.5 n" ?6 L2 N* A2 C" D# r3 @$ p( i
*/
" r# ?5 N* u3 a& s* Vstatic void motion_cb( double *screen_pos,) S0 m$ Q+ J) G7 b
UF_UI_motion_cb_data_p_t motion_cb_data,+ A$ k* h+ {* d% c
my_motion_data_t *my_data )3 R# y9 p5 D6 O1 @2 w( u6 ^0 h
{
' H. O+ O( i+ r% M. ~ double radius, pos_array[5][3];
& T4 A9 s9 {7 ?! [) O0 [* } double xrad[3], yrad[3], x_y_vec[3], x_ny_vec[3];* {$ d; u5 ]4 U Y7 L
/* Calculate the arc radius: the distance from the arc center
" ]2 u. P2 k9 [/ O; { * to the current screen position.
- {% X |& ~8 ~5 ?: `" ]6 m" R */
- O8 h8 d/ F( s UF_VEC3_distance( my_data->abs_ctr, screen_pos, &radius );9 N0 F6 S1 s1 ?3 ^& ^1 a5 y1 v
/* Map the arc center to the "csys of the arc".0 e3 _9 I) F w+ N
*/
+ v# K; I, M+ r- G) U UF_MTX3_vec_multiply( my_data->abs_ctr,' g1 p ~( f5 B1 J
my_data->matrix,$ n" ]2 J% A, [
my_data->arc->arc_center );
4 b$ c6 P5 Z7 w3 ? /* Draw a circle and an arc in the view of the cursor.
1 m1 x1 J" {$ n( N% y& n& z */% e0 q- V8 m! M4 m/ p$ R
UF_DISP_display_ogp_circle( motion_cb_data->view_tag,$ c9 }+ g- {/ P" v& l+ ?9 A3 ^) l
my_data->matrix,+ A- L: x; b7 T k
my_data->arc->arc_center,
6 p7 @* l! e# @& \" f radius );
. w! R% A t& a( R1 a# M, H UF_DISP_display_ogp_arc( motion_cb_data->view_tag,' G" f Z5 ^" O( f j- E6 k
my_data->matrix,2 j! F1 T M) b$ u& M/ o4 k
15.0*DEGRA, 345.0*DEGRA,) }( h1 |, h% u0 _, l
my_data->arc->arc_center,
6 R9 g1 K1 j' U7 ^( F; |( k 1.0 );
1 S9 b- N/ Q4 O' P /* Draw a bounding box around the circle.
: v6 F7 p2 n$ q( V */5 X8 s' Q: z0 T/ Y$ i. N$ ?7 j3 \' ?
UF_VEC3_scale( radius, my_data->x_axis, xrad );; C3 _* Z/ |( s! |" V
UF_VEC3_scale( radius, my_data->y_axis, yrad );" I+ B' p9 [& K5 I: x. Q8 v
UF_VEC3_add( xrad, yrad, x_y_vec );
8 w% r1 R8 F$ b. R# G& Q* d3 d) _ h UF_VEC3_sub( xrad, yrad, x_ny_vec );
7 P0 e) V8 e( d UF_VEC3_add( my_data->abs_ctr, x_y_vec, pos_array[0] );
2 W# J4 {. v V UF_VEC3_sub( my_data->abs_ctr, x_ny_vec, pos_array[1] );; [* i* R. G9 l+ Q; _3 D
UF_VEC3_sub( my_data->abs_ctr, x_y_vec, pos_array[2] );
4 J U+ C7 Z9 i) y$ ` UF_VEC3_add( my_data->abs_ctr, x_ny_vec, pos_array[3] );( J- u9 @6 u; V1 a
UF_VEC3_add( my_data->abs_ctr, x_y_vec, pos_array[4] );% O1 u5 S; s: M" J8 R
UF_DISP_display_ogp_polyline( motion_cb_data->view_tag,) A. t* `' o' P! O% P& b
pos_array, 5 );* O1 B" I5 g7 h; P/ e! U
/* Draw a "rubberband" line from the circle center to the
" U( l" b9 a9 V# t * cursor position.
; W" h4 m5 o9 K" H; I */
3 k& ~1 C- E+ w+ t( O UF_DISP_display_ogp_line( motion_cb_data->view_tag,6 I; d5 `9 h( v& u$ a+ V1 \/ f
my_data->abs_ctr,- L* Z; r% s6 ^" d) A$ q# q. `- @
screen_pos );8 q! w( B* z% b( l$ I" Q
}
& R% ~! a4 G% v#define UF_CALL(X) (report( __FILE__, __LINE__, #X, (X)))& c6 L% ~) A/ S
static int report( char *file, int line, char *call, int irc)9 B" o D' ?" b6 y% j
{
3 p4 F& s8 {: B2 Z# t if (irc)2 g h/ J8 n1 i& n. W- j' c
{
/ Z0 K8 v; B2 G: b+ ?! D char messg[133];
; L- [9 F5 A1 B" q printf("%s, line %d: %s\n", file, line, call);6 c- j2 G2 ]! t. Y& d( |! f
(UF_get_fail_message(irc, messg)) ?
Z5 o1 O# w& Q9 }, H printf(" returned a %d\n", irc) :( n2 I, w5 ^ q
printf(" returned error %d: %s\n", irc, messg);
( g m* [4 B. {: r+ b6 b! t3 J }
1 Q$ w% m6 u# ~! L" n' l return(irc);% f* i0 P4 V/ |1 K% w& j8 ~1 M2 p
}: ^! V+ ]: S; N6 s! \, |7 k6 h
static void do_UGopen_api(void)! K% Y, }! @4 U& z
{
- |8 m7 L7 R# _6 ^ int default_plane;! \, W7 f5 s3 y9 B+ f0 h2 m, S! j
int plane_resp, ctr_resp, pos_resp;. p6 K6 G+ R& n
tag_t plane_tag, saved_wcs, mtx_id, csys_id,
* ^8 v: J5 O- u. ~4 Q. Q4 D# f arc_id, view_tag;
9 ^+ t0 H5 e z$ V double plane_matrix[9], plane_origin[3],
7 X2 W; [5 [- f% [/ u$ a; z& {9 Y x_vec[3], y_vec[3], arc_edge_pos[3];6 m9 ?2 d7 P0 U# c/ N
double root_origin[3] = {0.0, 0.0, 0.0}; I" R6 |5 V' K/ G) m+ h) g' P
double work_origin[3];
; _; b& e; _7 K" R7 v UF_CURVE_arc_t arc;* [3 S' \# z+ F4 M
my_motion_data_t my_data;" v/ t. V& D6 g7 r; M: ^4 L2 n
; j e6 l7 f- x- p) ? my_data.arc = &arc;8 }1 J# Q d v7 d
arc.start_angle = 0.0;5 E S4 ~1 B) _
arc.end_angle = TWOPI; /* Create a full circle. */. o. z. \: _; x5 k
default_plane = 5; /* Default plane = WCS */ r, M+ l1 O8 ]/ H6 e
do
$ @) M# F9 k7 l6 R' w {
" E- `+ }+ x8 Q$ S7 i8 @ /* Specify the plane on which the circle is to be created.
, b6 U8 q4 g* D */5 H* V7 j/ c' ~9 x' N- X" T
UF_CALL(UF_UI_specify_plane(
4 b# E( _" e6 q "Specify plane for circle creation",; w9 U- _$ N4 e6 p% h7 V3 k& }
&default_plane,
/ b3 m8 Q& ^2 N/ k, J" h/ x* o 1,
8 Q4 t' U/ k( x &plane_resp,
! G8 o1 q! }3 T2 `1 W1 o+ N+ Y* L3 d plane_matrix,
O/ k; C+ t" y0 E, L; L2 F/ B; t plane_origin,8 V' L2 [0 e% ], P: a; z$ \
&plane_tag )); t5 l# L/ ~( Q
if (plane_resp ==3)
, R$ |4 }2 ]9 i% ] {1 E2 D; |1 H) f( E
/* Save the current WCS for future restoration.
) H; i7 }# ~3 X, q# C$ z' b6 r7 W5 L */, |8 D* U& n$ _. G3 Q. A
UF_CSYS_ask_wcs( &saved_wcs );
9 Y) M4 y6 p5 y! M/ Y /* Move the WCS to the specified plane. This is
t/ F6 K+ w# _- G * necessary because the position passed to the motion
; I: A: a [7 q( B * callback, and the position returned by
2 {% C) i" d* s. \ * UF_UI_specify_screen_position, is the screen6 x/ i& M0 z) f) P
* position projected onto the WCS XY plane.- u O! k" V! B5 \+ a1 q
*/$ q0 L( y# W9 b- I, d$ P$ w( g3 W
if (default_plane != 5); q* k5 ~: l( R2 G j5 ^
{$ u' y2 _% n; h/ Y
UF_CSYS_create_matrix( plane_matrix, &mtx_id );
9 c" y: H4 A+ z# ^ UF_CSYS_create_csys( plane_origin, mtx_id,
0 o: N6 h/ m" ]/ ^) m/ ^1 p7 ]0 ? &csys_id );
8 a: m0 F1 i h' U- z UF_CSYS_set_wcs( csys_id );
* o& U6 G- `# U; x: s }1 i6 r( U: b2 b6 h( D3 ~
/* Obtain unit vectors and the arc matrix relative to
& H5 ^& F5 g, ?- r" Z2 k! F * the Work Part coordinate system.
/ k0 ^* e& M6 P, m$ ?, D, b */
3 Y7 ]" s5 W- W& o) M UF_MTX3_x_vec( plane_matrix, x_vec );3 A1 T; I2 y1 ~& [3 i/ a/ a
UF_MTX3_y_vec( plane_matrix, y_vec );
7 N$ |- a) [1 I0 W UF_CSYS_map_point( UF_CSYS_ROOT_COORDS, x_vec,+ M1 W D5 B$ I: |) w3 ~' L
UF_CSYS_WORK_COORDS, x_vec );( D$ x2 g( b' h1 b" M) b8 G
UF_CSYS_map_point( UF_CSYS_ROOT_COORDS, y_vec,
; [2 T- ?7 x1 q4 X" i UF_CSYS_WORK_COORDS, y_vec );- B2 @: Y9 U0 i' t0 Z( a7 U+ M
UF_CSYS_map_point( UF_CSYS_ROOT_COORDS, root_origin,
! p1 ]7 ] n" {4 A) z UF_CSYS_WORK_COORDS, work_origin );. }% z/ i. ?7 @0 |$ Z
UF_VEC3_sub( x_vec, work_origin, my_data.x_axis );: K+ m1 z6 E3 J6 B
UF_VEC3_sub( y_vec, work_origin, my_data.y_axis );6 G9 c$ |: q/ j+ b; X" |3 Y u% c
UF_MTX3_initialize( my_data.x_axis, my_data.y_axis,
4 |: z6 v- s2 D! @$ n' t1 i my_data.matrix );3 i8 y# w$ O- u& t# p7 a
UF_CSYS_create_matrix( my_data.matrix,
5 C M, @2 g( v" g3 [/ k, G: u$ | &arc.matrix_tag );
% [9 `/ d$ k6 n, ]: E& f/ l2 {6 d do
0 o0 J) A& ?, M; E& F' Y/ r { k5 |$ T2 K6 Z( w
UF_CALL(UF_UI_specify_screen_position(
' _6 y d7 Z2 Z# T5 J. { "Specify arc center",- f; ~7 K4 p, L% R: y
NULL,
# ]' b% g! S6 g NULL,
/ @: Z! E. K0 k. E% r6 |! H my_data.abs_ctr,4 s1 F H+ V4 O
&view_tag,' ^& ]- P! i3 S& f, a* {( b
&ctr_resp ));
8 q& H. h: ^" Y( T6 ? if (ctr_resp == UF_UI_PICK_RESPONSE)( G8 _5 {3 P3 R O' \8 w
{: Q( L& ^' ~' [8 B; x' K
/* Map the arc center to the arc csys.
1 x% k+ S& ^& v) f */
8 a6 q' d5 `2 E5 ` UF_MTX3_vec_multiply( my_data.abs_ctr,
; A& n1 x' c1 |3 d" A# `" Z9 b my_data.matrix,
; T3 \8 B3 r- F. N8 f( f; Y arc.arc_center );- U2 p1 N( e3 _3 l
UF_CALL(UF_UI_specify_screen_position(2 ?( G/ }7 a! d# g1 U# Q) V4 ]
"Indicate arc radius",9 _$ Y3 L& K+ `4 {1 s( |7 \
(UF_UI_motion_fn_t)motion_cb," i9 Q4 b4 C- ?4 t. w+ J- T6 A
(void *)&my_data,: i6 n0 y5 N# Y1 `, U4 e! Y# X
arc_edge_pos,
: J1 }& w' p2 ]$ s &view_tag,. f9 u: m3 B6 E9 t
&pos_resp ));; g8 u/ e! r: x: t2 u4 d5 z' u
/* If a position was obtained, create the
6 d( l7 n. f( J6 k5 M * circle.& t5 S% b# ~8 N3 }7 C
*/
( t4 K+ X! u7 b3 O& ] if (pos_resp == UF_UI_PICK_RESPONSE)
; k( q ]8 S8 A; m {- r: O$ q. I3 Y* _8 y. _5 X1 Q/ x0 y
UF_VEC3_distance( my_data.abs_ctr,0 y+ r& L% D4 h$ |2 C; ]
arc_edge_pos,5 R: R; W* z( Y2 M$ P0 a) R
&arc.radius );% d7 l5 a( @! y
UF_CURVE_create_arc( &arc, &arc_id );
8 U$ A7 y' ?2 h. ]. Q$ s' O. R }
4 c' {0 Y& |! N6 k3 r- X, i }: p! o8 f1 |: ? k+ a
} while ( (ctr_resp == UF_UI_PICK_RESPONSE) &&
( @3 b3 o* l( ?8 Y$ I9 |& C (pos_resp != UF_UI_CANCEL) ); k* L& Z$ z8 q) o$ O2 z4 a
/* Restore the WCS if it was altered above.7 y( Z! Q% V, M$ H2 F
*/
c y4 r; S2 ? if (default_plane != 5)
4 A/ C1 h3 J$ s& P {
" ~/ N1 W/ A2 b' B8 d UF_CSYS_set_wcs( saved_wcs );
8 A; k) ]! t, S+ G! K UF_OBJ_delete_object( csys_id );
8 _! F/ X, K1 h; a5 V M }
6 r' \- P4 B) t' J7 U }7 W! f$ O: c! d
} while (ctr_resp == UF_UI_BACK && plane_resp == 3);
9 |# T! [3 w& [% {7 @}
6 P# K) o& {( S/*ARGSUSED*// Q; v6 _1 a$ D# n
void ufusr(char *param, int *reTCode, int param_len)
( ^: s& `3 \: g) q" p1 Z, u5 E{
7 ~0 K- a1 v- L if (!UF_CALL(UF_initialize()))
* ]+ H* {7 M. N S8 A {
& D$ c! X( H }) v4 _ do_ugopen_api();
5 Y/ `3 f1 W9 ]; G& d# B+ I UF_CALL(UF_terminate());9 V$ V4 G- G% v3 a. x8 W: D6 i; U
}/ `/ m! }; _# F( o( d
}! Y5 l. u; v$ F$ I
int ufusr_ask_unload(void)' Z5 g% a* u! E$ {
{
1 K; c# J2 ^" W" f. V' ]. e return (UF_UNLOAD_IMMEDIATELY);7 D- | k# H2 x7 I* f9 V6 c& [
}
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