% C: v' G8 n1 w这是教程里的一道题
5 M6 S" Q9 X' \$ |(defun c:lt()
" v# P$ f ~5 P; e! H) g I(setvar "cmdecho" 0)0 V2 h9 h, D$ b" I" U2 i
(setq p1 (getpoint "\n插入点"))) U2 O, V/ y. o& v! Y( J: _
(setq w (getreal "\n梯宽"))% b2 T; j7 x3 P# m, r% [
(setq h (getreal "\n梯高")); [1 T! L8 w0 Z7 W! k" J( z
(setq n (getint "\n级数"))+ b) f6 ~6 m$ e3 a; Z
(setq p2 (polar p1 0 w))3 q% B' q. K3 V4 a; [: ~
(setq p3 (polar p2 (/ pi 2) h)) S5 O: E# ?5 F1 R, \
8 I4 g- C; v2 W) s; L7 I3 Q) \(command "line" p1 p2 p3 "")+ n3 |) a# o2 G1 M3 n. n+ a
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(setq w1 (/ w n))
8 [) S8 ~9 C% G(setq h1 (/ h n))
" {; J6 G6 k* |7 E1 @# }" L(setq pa p1)% g9 K+ G! F7 w8 p) V e1 h% ^
(repeat n% _5 q3 k! a$ A0 G$ D
(setq pb (polar pa (/ pi 2) h1)); m8 \1 ~2 l8 n6 y
(setq pc (polar pb 0 w1))- x0 x, F& Y" q! \5 W' c( i
(command "line" pa pb pc "")3 J, q+ f# |% U" C5 H
(setq pa pc)
2 z- I, Z, ]0 [5 j# p(prin1)))& S8 x( [" x2 @5 w* W
(prompt "\n命令：lt")4 y' f2 }% B: `/ A9 D: ~
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[ 本帖最后由 leimc 于 2007-12-19 16:55 编辑 ] |
发表于 2007-12-19 16:39
发表于 2007-12-19 16:44
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