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(defun c:1-18();网球/ F8 R. f0 i8 [% w2 P/ j( n7 e) L# y+ }
(setq n (getint "\n顶点的数量<4>："))
& C9 L5 C0 P" F! @ { (if (null n) (setq n 4))
7 {+ R& K2 d! G W6 L$ M- ~ (setq r (getint "\n球半径<10>："))8 z& R+ V6 J8 i$ ]& H
(if (null r) (setq r 10))
( I- b* x* F& j' K (setq & J0 ^, e: m* X7 O& {
s (sin 0.339836909)
+ m( N8 `. I& c H c (cos 0.339836909) " h( Y& ~% X1 \# c# M9 F. c" D2 l
)3 ^; _! _- \# H
(setq d0 (list 0 0 0))6 N! p$ e" Q1 ^3 V! S' ~4 }
(setq d1 (list
" W7 ?9 ?8 q2 G4 e/ { (* r c -1) % K) y( \8 ~, b% }* S
(* r s -1) , }* `5 o' S: i- g: e% q
0
, x, d& a( _5 l( b ) ! [; {( K' t8 O5 Q) S- o0 d0 N
)% p1 H% t: [/ O- T8 K' L, H) E
(setq d2 (list , Q2 I) F" |9 R6 D V
(* r c (cos (/ pi 3))) # I+ c8 J Y2 G |2 F) K
(* r s -1)
0 T: i7 c& R4 p( k. s% P+ H4 p (* r c (sin (/ pi 3)) -1). D3 r% }. y( V* [- {
)
/ F5 B3 d" H0 H' ~5 y )
( f( y; x2 j# R (setq d3 (list
+ ~5 ]* z1 ~* t (* r c (cos (/ pi 3)))
# Y6 I; ^' W, N3 ? (* r s -1); _, c& I' z) I$ ^6 p) O
(* r c (sin (/ pi 3)))! K$ D$ m- c8 c7 N! r8 f
)
/ ?, I0 X* W) F# t )' h6 X' C7 |+ z3 r- s5 a+ w
(setq d4 (list 0 r 0))
# `8 d- V) G, U& u6 P (command "line" d1 d2 "")5 l( u# G- N* Q7 t
(command "line" d1 d3 "")" K |! z9 q7 e) Y# y* ?
(command "line" d3 d2 "")' b% W# O2 g( B1 T, `% Q' }$ t% t! f9 B
(command "line" d1 d4 "")
' t5 A& C/ O% l" |/ Q' @9 v$ E5 a (command "line" d4 d2 "")" K0 d+ c7 ~- `2 T' v0 r2 m# @
(command "line" d4 d3 "")
: Z5 s; N0 [9 @. W$ i (command "line" d0 d1 "")
0 P) F! }+ R% Q/ e Q (command "line" d0 d2 "")3 s8 u% w# O" u* W3 R. S! {' o
(command "line" d0 d3 "")- x3 H. T1 ~# j ~4 {' N
(command "line" d0 d4 "")
3 {3 S8 e2 `* _6 v ;(vla-AddSphere d0 r)8 t# K8 ?, t; |- k
(prin1)
2 \8 i% a9 ]% B: K* j4 D% c% {)
% l, n% U) i$ V/ ~) j, S P: x2 y: L; U6 L
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发表于 2017-8-21 22:12:00