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(defun c:1-18();网球
" m5 z; p$ \& o' X7 ^2 \3 l: U3 @ (setq n (getint "\n顶点的数量<4>："))
. T7 s- L+ F7 Y (if (null n) (setq n 4))0 I K: }, k% o4 _) B9 R% U7 k
(setq r (getint "\n球半径<10>："))6 Z- M( m) C0 O4 w0 c! x- G/ |5 u
(if (null r) (setq r 10))
. a4 f" m: O X6 G4 N H8 M6 v (setq
/ k6 Y6 V* j5 Z% z s (sin 0.339836909)
d+ o* k- ?5 R c (cos 0.339836909) " H* @# R& Z4 Z5 a9 ~) s1 P: M
)
* {0 J% V" R/ B# {! p7 H (setq d0 (list 0 0 0))$ A( L0 i3 C3 _+ C$ V% {1 j
(setq d1 (list # a! L# D# {' e% d* `! E
(* r c -1)
4 _4 h8 I/ p6 U) ]/ \ `3 ?9 \. u (* r s -1) . p! k) O1 p: B' u5 Q( ]7 _0 o
0% C3 @3 j) O, ^ D3 h, {3 v! F; _
)
. G6 Q8 N0 b* S/ \! J7 n( w )
; V. A9 ]) X. \* O( j* D (setq d2 (list 1 `. c6 a) j) h l/ x7 I
(* r c (cos (/ pi 3)))
9 Q D8 }! u% B3 s5 r (* r s -1) 3 m4 W; {8 |5 v1 n2 M
(* r c (sin (/ pi 3)) -1)! W5 k& @! A1 e& C: i" w! y/ X
) * G9 f7 J. |6 H/ X5 |: V- c# M4 Y, p
)0 f6 U B( s; X! s& H7 D
(setq d3 (list & w) g' A z& W0 c( m: y
(* r c (cos (/ pi 3)))
% F5 v# C. p; K: H9 U+ A! S (* r s -1)
& Y/ H3 L: n6 _/ S4 ~ (* r c (sin (/ pi 3)))
( C5 ~5 J9 N, j. e )
7 T# v, R/ n! e! p* Q )
% s( m1 w t; X) [* F" M. x; e& l (setq d4 (list 0 r 0))' F$ ]' W7 f6 d* P
(command "line" d1 d2 "")% C$ X9 v/ q: G- H
(command "line" d1 d3 "")
( y4 p# y5 t6 w) z: y: K( Z* v (command "line" d3 d2 "")
8 l0 k/ R5 B+ p: Q (command "line" d1 d4 "")/ a+ o9 f1 F. Z) P2 F- f
(command "line" d4 d2 "")5 n' ^8 W8 E. d3 W
(command "line" d4 d3 "")3 |: K c/ i/ w( w- ]3 S4 F- c
(command "line" d0 d1 "")
- H, N( }. y' E1 N, H1 Q (command "line" d0 d2 "")
+ i7 P8 K( W& y( `9 l6 ~ (command "line" d0 d3 "")
8 Y x: j" B9 A3 z( h4 n% Z1 L) O (command "line" d0 d4 "")
* i9 G% C0 ]# u) {$ I K ;(vla-AddSphere d0 r)
/ W0 l( |' I& W2 g (prin1)
: S6 {+ ?# ?) d' X)" B* G: |9 K' N% x! a6 Y& Q( F% ~0 J
6 B( n( e7 ^% S# C- S
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发表于 2017-8-21 22:12:00