" z v. P% ^5 y! a这是教程里的一道题! g( s& i4 P; c: u3 g p
(defun c:lt()
0 I: c) f* f) O4 r9 p G(setvar "cmdecho" 0)" G& O4 C) e( x6 w. u7 t; Q% X
(setq p1 (getpoint "\n插入点"))/ ?$ ^* ^3 y( ^2 c; l6 e
(setq w (getreal "\n梯宽"))
) W) o* i/ M9 y: l5 ? p(setq h (getreal "\n梯高"))+ s/ R( I5 t& Y/ F& F$ J
(setq n (getint "\n级数"))
& ~5 e1 b" w1 q; N6 H9 k(setq p2 (polar p1 0 w))( l- E7 |2 k! V' G- c3 H
(setq p3 (polar p2 (/ pi 2) h))
( p: `+ T2 D, v/ o+ p+ C
b0 C0 g. _ b8 w- R" \(command "line" p1 p2 p3 "")
1 \- |& h1 c( Y5 \+ p) W- s
' @6 X9 g0 h6 }- ]: C$ N- F, A(setq w1 (/ w n))$ R" R8 E! D: Z& c
(setq h1 (/ h n))/ c3 |* }. R% l3 B7 h. w- f; A" E
(setq pa p1)
: ?% t- X% B9 G0 S(repeat n* Z4 \& q4 \$ ?" b
(setq pb (polar pa (/ pi 2) h1))' x; e, N" Z9 k+ X
(setq pc (polar pb 0 w1))
. v" Z1 s" X8 _(command "line" pa pb pc "")
( Y6 v3 l( U" e d(setq pa pc), x2 {! ]# N* m
(prin1))), O/ s L0 W# u3 {; ]; p% @
(prompt "\n命令：lt")
- S. z" G. G* Q8 _: A( [4 ]# C, o( Y% _
[ 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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