0 p3 _( F, t7 \1 ~% O, B( j7 S这是教程里的一道题) e! M. q9 y$ C- g$ I+ s _5 H
(defun c:lt()9 g9 C# Y7 q$ k% p3 W
(setvar "cmdecho" 0)$ X; P4 X% C" `4 y2 _/ R
(setq p1 (getpoint "\n插入点"))
8 a' E$ C; R3 b$ u* s(setq w (getreal "\n梯宽"))
# m+ T. Q' F! W% M* U* Z W. e(setq h (getreal "\n梯高"))3 T- q/ Y8 ^. r$ C3 O
(setq n (getint "\n级数"))8 k% O4 B" b# {
(setq p2 (polar p1 0 w))( w# O! U/ y: H! Q$ k. W$ f
(setq p3 (polar p2 (/ pi 2) h))
8 \& g0 V) Y0 A, h0 q' h! F$ D/ R4 O9 Z
(command "line" p1 p2 p3 "")9 V; |. I5 c( m" S# P
$ ?) F$ [3 L% n! ^' ?! X' m( E7 J! L! [
(setq w1 (/ w n))9 g$ F! |' p( r' p. [! D9 `5 O N
(setq h1 (/ h n))
# ~1 V, x+ e$ T1 h% q(setq pa p1)5 d, l. y, }5 _1 i: R; o
(repeat n* x4 r* C# L; J' q8 \: v
(setq pb (polar pa (/ pi 2) h1))% f0 {- ~( {4 O1 l) x
(setq pc (polar pb 0 w1))% V6 e' H3 k- g* J
(command "line" pa pb pc "")
/ n% d. W5 m; M- B$ p1 g1 D+ T(setq pa pc)! P5 c' R- ^4 u
(prin1)))
& z) X. w" }/ L; D(prompt "\n命令：lt")- x8 W8 m+ a. e9 @
1 l Q7 Q( `' {) N5 J4 G/ t8 M* |4 e[ 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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