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这是教程里的一道题
; E0 q* k: L7 T( C(defun c:lt()5 | y3 I0 o7 s! ]
(setvar "cmdecho" 0)
8 V3 y' U& D9 T; j' N(setq p1 (getpoint "\n插入点"))3 M1 p4 \3 A& U
(setq w (getreal "\n梯宽"))' I3 E9 C) C! T' w4 k- v
(setq h (getreal "\n梯高"))& |5 c- s& ~* V! D7 y$ v
(setq n (getint "\n级数")). O+ Y5 g& x- J/ n! m( x
(setq p2 (polar p1 0 w))
9 }( E- ^& U3 m0 {# W4 N" K, e/ w(setq p3 (polar p2 (/ pi 2) h))! X0 l" s' @- F$ b/ c
. Q) j8 C/ M4 ?(command "line" p1 p2 p3 "")
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(setq w1 (/ w n))7 \, n, a6 h. ?9 C I2 i
(setq h1 (/ h n))
7 |: U0 K7 ?; K& v' n: m(setq pa p1)
. b- P$ \, A; L' q" d/ S(repeat n4 G. Y% }# ^9 z/ l- u
(setq pb (polar pa (/ pi 2) h1))0 |/ l( `' n6 I6 ~7 }
(setq pc (polar pb 0 w1))
! {% A9 A0 B2 l& u$ ]0 C0 T/ n( ~(command "line" pa pb pc "")7 D2 P2 Y$ P) [9 S6 X" I
(setq pa pc): Q8 e3 x& H) e. o N* x
(prin1)))
! f7 b' s' t) R(prompt "\n命令：lt")2 f- y3 P9 S5 x% M
: z. m" @4 c3 x/ A) 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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