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本帖最后由 476966986 于 2011-11-11 11:18 编辑
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(defun c:62-12()/ R# C: {3 U) S
(setq cen (getpoint "\n请输入中心点的位置")) . x) R! x, U* f) N6 D. o% X
(setq rr1 (getdist cen "\n大圆半径: "))
0 q- U; e" c; C9 f/ i(setq rr2 (getdist cen "\n小圆半径: "))
! c' m# T# {; @9 E; A r(setq nn (getint "\n重复几次 <8>: "))
% h+ w' k% `( `* P(if (null nn) (setq nn 8))
4 R% p; y( O( y0 `8 N (setq p4 (polar cen 0 rr1))
* N9 F7 L1 N# f2 U$ d (setq ang (/ pi 0.5 nn))% R: A/ O4 b8 h4 _9 a; [$ _
(setq rr3 (/ rr2 2))
) i. Q2 ]$ @: [. C: W7 m (setq hh (sqrt (- (* rr1 rr1)(* rr3 rr3))))
& J, b. `+ v+ v (setq ang1 (* 2 (atan (/ rr3 hh))))6 M5 }$ D' q* y1 N- B
(setq p1 (polar cen -ang1 rr1)), a7 ?0 v* A) o& i$ q: E G$ |: _
(setq p2 (polar cen ang1 rr1))
{$ b; z; I4 d3 ]. B8 z3 g (setq p3 (polar cen (- ang ang1) rr1))
J% S7 L* U$ L9 u (command "pline" p1 "a" "ce" p4 p2 "ce" cen p3 "")
& l/ e% `! \+ M4 z$ w (command "array" (entlast) "" "p" cen nn 360 "y"), d, u/ s& [2 B8 [* _
(prin1)
* Z2 b4 ~! q" ]6 K: u, S ) |
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发表于 2011-11-11 11:00:55
楼主