: Y* s* x7 ?( G. x8 r这是教程里的一道题
b, k6 u! x4 h: u9 g. k: P(defun c:lt()
* o! m& l, I! J9 M, v/ a% ?(setvar "cmdecho" 0)
. V' K$ r& G" o; y- Z(setq p1 (getpoint "\n插入点"))
& t* n$ n+ @$ i) o* _! W(setq w (getreal "\n梯宽"))
6 N9 ?8 s. }( J' V(setq h (getreal "\n梯高")). O0 w- f+ |; X1 z6 l9 m
(setq n (getint "\n级数")): X& m; X# h( q( J2 s
(setq p2 (polar p1 0 w))
) X0 l, |5 Q8 V1 ~% N6 ^(setq p3 (polar p2 (/ pi 2) h))& r) C' f: L2 W5 L8 U! C
# P4 n' l5 K& ^% K9 p
(command "line" p1 p2 p3 "")
- k# ]( H# h9 i6 d5 M1 M
. R# W, C. L# x& @(setq w1 (/ w n))
5 ~- r B& G4 r1 j: i1 B(setq h1 (/ h n))
8 r) {- @, D4 n; b(setq pa p1)
, |3 `2 [4 d* {$ A/ |* y$ g! _7 Z0 A(repeat n' h2 W) `/ H1 ~( `, C% S
(setq pb (polar pa (/ pi 2) h1))
- f7 B* e4 i. R" j% K(setq pc (polar pb 0 w1))% {7 v3 r* a( S3 E; T4 c/ j
(command "line" pa pb pc "")
2 J& Y2 K: g) w$ b$ ]2 a+ z(setq pa pc)# p9 O1 S$ v9 x8 o n. `* m
(prin1)))
! j" U1 K A; s* A6 ~(prompt "\n命令：lt")
+ |7 ~6 i- r5 J: E8 x2 g
4 w. h7 U+ G$ X" i% k4 l% E: W2 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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