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这是教程里的一道题
7 y8 u$ k! f( P# F) E(defun c:lt()4 c- }% r8 Y1 ?- F C$ w
(setvar "cmdecho" 0)
( b5 L; H6 F: G" B4 J G(setq p1 (getpoint "\n插入点"))
! {2 V/ j$ f- c) @(setq w (getreal "\n梯宽"))
" d! P9 M+ }. |2 d( V(setq h (getreal "\n梯高"))
' m2 G0 a, Z# E* M- n$ v(setq n (getint "\n级数"))0 y# f' c5 x9 ~; N" X! {& {! k
(setq p2 (polar p1 0 w))& o/ n% J7 k6 L% H- P0 U' i: R% i
(setq p3 (polar p2 (/ pi 2) h)); U$ b8 a/ o, }5 m
/ {( k3 `5 r) ?( D! ^- \6 j(command "line" p1 p2 p3 "")5 p: D: v2 t7 X# I- x: Z4 l
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(setq w1 (/ w n))
9 R, P( h2 B! f/ L9 i(setq h1 (/ h n))
; c4 U6 P- O8 G! u9 U(setq pa p1)/ J* S+ c1 W# U
(repeat n" ]! P, f% i/ \& l( J
(setq pb (polar pa (/ pi 2) h1))8 J, }9 t6 b7 e! N; X
(setq pc (polar pb 0 w1))3 A0 c8 A5 n$ B& K- @) P
(command "line" pa pb pc "")0 b! p {3 l4 x; X3 t
(setq pa pc)0 |( h; m, D1 d- ]! |
(prin1)))2 Q8 O$ r" S- h1 B
(prompt "\n命令：lt")% t6 u! b& @& W! Z
# |+ F2 V! X. z7 L) l" ][ 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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