- 积分
- 8
UID921988
主题
在线时间 小时
注册时间2009-2-18
|
马上注册，结识高手，享用更多资源，轻松玩转三维网社区。
您需要 登录 才可以下载或查看，没有帐号？注册
x
下面是我已经有了的画弹簧的程序，可是怎么才能让它可以画出扭转弹簧的三维程序呢，请高手指点，非常感谢！！！* b4 m z! `$ h( L! l: F
, _# `/ i; r0 t; D# C7 D' G9 C
(defun C:spring()
1 z9 {3 |: v* _, J, r- e8 @$ O (setq bp (getpoint "\n 弹簧中心点"))) F7 U. V* q5 h0 f8 \1 C5 _
(setq dw (getreal "\n 弹簧直径="))
& i+ r, [! ~" t# U (setq d (getreal "\n 弹簧丝径="))
" c2 {" I2 }" c& s (setq pitch (getreal "\n 弹簧节距="))
5 C; ?5 t' S- K+ N$ v (setq len (getreal "\n 弹簧长度＝"))' e' f6 u7 l, ] w! O. j
(setq n (getint "\n 段数="))0 i6 g7 y6 g! r5 E5 U
(setq r (/(- dw d)2))) h3 d( Z5 p- M8 w
(setq d1 (- d (* 1.0825 pitch)))
6 ?( g4 W" P( {1 }! [9 U: ] (setq r1 (/ d1 2))
; @& e S. h& L' e (setq m1 (fix (* n 1.25)))
( u5 ]* l7 ^# U9 }$ J( p2 t. [0 a (setq m0 (fix (*n (/ (- len (* d 2)) pitch))))
( E: U5 k3 V8 n; t8 C# X: P (setq delta (/(* 2.0 pi)n))/ j S& H1 b* y* h& [
(setq j0 (/ pitch n ))
7 J7 _7 Y& v# C; i& e3 U (setq j1 (/ d n ))( n9 D# c6 n& E2 c2 g9 q1 u
(setq bz (caddr bp ))
) o$ ] K' l( ` }: S% ^. J (setq ang 0)0 f" e5 s: X, L5 k% y4 i+ y
(setq jj 0 )
0 H5 g! H ~8 _" C (command "UCS" "o" bp )
, z4 u6 J9 A, C2 } (command "3dpoly" (list r 0 0 ))- {) }8 |% H6 _
(repeat m1% v6 G5 R- J* s
(setq jj (+ jj 1)), r; ~+ E* [+ m- {3 G+ ^8 R4 @9 A2 F7 T* e; O
(setq ang (+ delta ang ))
9 F( S& K& z" `! o (setq pt1 (list (* r (cos ang ))(* r (sin ang ))(+ bz (* j1 jj))))
' C- w2 b; S t8 M u: W; k (command pt1)4 ]4 L4 V# k+ ~) g; t, ?- `! A
)
Y/ C9 \) K: d( c+ K q (setq bz (caddr pt1))
" ]- o% V# ?, Q5 \+ s (setq jj 0)# H7 c1 ~( Q; C" {. |: c# K
(repeat m08 [: E3 B* n) [# l: p
(setq jj (+ jj 1))' M% x- p, G! A; Z
(setq ang (+ delta ang ))
; V8 s2 h) y8 o3 q (setq pt0 (list (* r (cos ang ))(* r (sin ang ))(+ bz (* j0 jj))))+ X' j; y# J0 \
(command pt0)
: {$ @* z* F. X* X& W* O6 V. M )
2 K2 f" z/ ]( N& R- c (setq bz (caddr pt0))
4 x$ J$ z y9 J: I2 N8 e5 w (setq jj 0)8 [8 {2 r3 D, {% y; |; z7 I
(repeat m1! N2 ^% |' X# k$ y" C. d
(setq jj (+ jj 1))
1 L& V" ?8 l/ }+ J0 P! q6 A (setq ang (+ delta ang ))6 b" {3 q4 l' }- p
(setq pt2 (list (* r (cos ang ))(* r (sin ang ))(+ bz (* j1 jj))))
7 g8 U; J- m- B$ p; w0 \ (command pt2)2 W' m/ ]7 l- M, U' Q* U6 c% V) I) C
)
( B6 l9 h' {6 z6 t7 y (command "")$ h9 }4 w& r& @( Q d2 u
) |
|
发表于 2009-2-19 19:57:15
楼主