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(defun c:1-18();网球
. W7 k3 o: n/ a9 `9 B: a, A9 U (setq n (getint "\n顶点的数量<4>：")), y7 u5 S5 m' n( s! f
(if (null n) (setq n 4))* l3 M! h: f! M _5 X
(setq r (getint "\n球半径<10>："))& I5 ]$ Y) K; J" @; [8 |1 ~8 r
(if (null r) (setq r 10)): m$ Q$ h/ t0 c& n. J
(setq 5 {" A2 e: F2 T
s (sin 0.339836909)
: q# S; E6 o1 ^) k" Z( t/ W c (cos 0.339836909) 2 a( w& Z8 s) W3 s
)
6 p G) [1 A0 A& ] (setq d0 (list 0 0 0))+ f! p( W, l7 G" w1 u
(setq d1 (list
; L( B% z* L, X6 n (* r c -1) 2 Q6 I4 i: |2 j$ r2 z$ h, l, }/ `
(* r s -1) 7 ?+ f, Q2 k1 R ~! O( Y3 @
0
: X) _: Y' }* b! N ) 4 k; J# t1 x3 ~6 u N
)1 ~4 J6 h; U* W. a, \: k
(setq d2 (list " n" R% C3 g' e& G0 w/ `
(* r c (cos (/ pi 3)))
' _6 i2 c! d$ G; X% E (* r s -1) ! N! Y8 D0 I1 J3 D3 C! W
(* r c (sin (/ pi 3)) -1)0 F6 d' _2 m" c- Q2 a% Y
) % I O& A3 x8 H7 F: {) V( B* M
)- z5 w; |5 v i6 t/ O
(setq d3 (list
9 [: [; U2 [7 G5 P8 g% z+ B (* r c (cos (/ pi 3)))
$ o. Z( y! c- {8 _ (* r s -1)
9 e# K' f- N6 w. { (* r c (sin (/ pi 3)))
, g4 Z. Z* X' H5 Z )
0 N2 e. N" Q. r6 B, _* j" A )
x3 e% T4 B# _% q4 { (setq d4 (list 0 r 0))
2 H: A. J$ p0 P (command "line" d1 d2 "")
9 \6 G, O2 O0 G8 B, K ?: m+ |* | (command "line" d1 d3 "")
+ K1 v5 x4 T" u+ G$ Z B7 [ (command "line" d3 d2 "")
0 l' u1 N. d0 u# \* ?. M (command "line" d1 d4 "")
3 Q" \9 o. V; ]1 o (command "line" d4 d2 ""), ^" G; z$ A' R* @ r
(command "line" d4 d3 "")- L9 E% Q1 c( t& x$ b2 c5 X7 c, S
(command "line" d0 d1 "")
- z5 ~ M; v+ \% b. E5 H; k (command "line" d0 d2 "")
% r6 H" `, Q t$ C( Q! { (command "line" d0 d3 "")
% Q# a& Q5 l3 o (command "line" d0 d4 "")8 v5 X, H, Y% x4 p( `. H4 ]) `; v+ P u0 f
;(vla-AddSphere d0 r)" [8 L( p$ m* I; e! o' f( _( t
(prin1)
, ?8 w& F- _! H)% C! `+ l: q9 b3 ?5 l& b$ `- t
- F+ T( l- a4 Q9 `, B6 V
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发表于 2017-8-21 22:12:00