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(defun c:1-18();网球
/ ?! D5 _6 z1 I) B# N+ _0 b (setq n (getint "\n顶点的数量<4>："))
: j) `# C5 H0 D, i, n (if (null n) (setq n 4)) I* E/ [# T" I! G# \. P7 F; n
(setq r (getint "\n球半径<10>：")); C0 s) W; e, S0 f- S+ P! @9 D
(if (null r) (setq r 10))# j" f* i: l4 t" z
(setq ) `6 K. b; J6 O3 \1 x! E% m
s (sin 0.339836909) 6 E+ u- b- t7 B8 T
c (cos 0.339836909) + C! X# Q0 Y$ q2 L; {4 F5 C5 T7 u
)
- ^7 ^, @. m: j (setq d0 (list 0 0 0))
6 w y; w- ]5 X, U' t6 { (setq d1 (list
1 ~& t& k0 x$ s8 j; ^5 K. D/ I (* r c -1) . Z- _1 X9 `) o% w% e/ z z6 s
(* r s -1)
$ V5 p4 \2 E, E9 i; Y' z" h 06 |) p, G6 y. v6 u4 S# u
) + s. e) O% u+ y2 t) e2 n7 H
)
6 q5 H( E6 J0 i6 s* u (setq d2 (list
9 X- F& ?: I: a- `, P+ T6 ]; l7 f (* r c (cos (/ pi 3))) : A$ O& x4 D! ~/ b5 z& Q
(* r s -1)
2 h" p5 E0 {5 S( D (* r c (sin (/ pi 3)) -1)5 l& s& {# G1 E p* D
) 7 U! Z5 G" e1 z E/ F& `/ z* ]) I
)9 q3 f. N+ N6 }8 u. l
(setq d3 (list 1 c& [7 D/ T& }
(* r c (cos (/ pi 3))) j p. o0 x9 b7 T& ]! d2 k* f' y* M+ U
(* r s -1); u E- U; j3 _2 w6 I
(* r c (sin (/ pi 3)))
4 S: b2 }+ J- @! G! k$ e/ t! G ) & ^9 d" B% ~" B& l5 Y
)* G7 G1 n3 p8 V) d- ]& M" V$ l+ ^
(setq d4 (list 0 r 0))" h9 w- `) _1 c" A) O
(command "line" d1 d2 "")* N; f1 d/ ]2 R U$ U: r1 \& S9 V- u
(command "line" d1 d3 "")/ Z& s Z4 U/ i5 I
(command "line" d3 d2 "")+ Z4 z* G. Q& K; H1 F- Q7 W) _* N
(command "line" d1 d4 "")
" V8 s; ^( |0 J# u4 r ] (command "line" d4 d2 "")
8 Y; Y* o( e' f" w: h (command "line" d4 d3 "") I4 s1 w$ v% Y: Q" N
(command "line" d0 d1 "")
7 {( O: F6 l9 i# f1 H5 x& i% C (command "line" d0 d2 "")+ m. w2 z' U4 c5 p8 d1 e- I) M
(command "line" d0 d3 "")! R# y2 f) ^& e* j9 g. v1 L* f
(command "line" d0 d4 "")* p6 p& t* x: U# W6 \, [
;(vla-AddSphere d0 r)
# V' y% D! ?/ r (prin1)
0 D1 R: v) g; a# {$ _: x)2 }. O6 I O( \3 j h, l
( [: b" M# A+ f5 p! _ y4 }
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发表于 2017-8-21 22:12:00