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(defun c:1-18();网球' \" Q7 L" U/ T9 W, v
(setq n (getint "\n顶点的数量<4>："))
9 U9 `) t% E: c; X" N (if (null n) (setq n 4))
! Q5 ^* o' Q7 w; [ (setq r (getint "\n球半径<10>："))
3 V$ a9 D( L' G5 C0 e/ i# Y: X6 b (if (null r) (setq r 10)), L+ {( N* Z8 u4 [) D
(setq 8 N2 u* ~5 K% I- F
s (sin 0.339836909) ' U( _7 l7 W) q; N5 M
c (cos 0.339836909)
; V& Y0 f5 r+ O' e% w, h2 Y )6 W1 w- d% l. y S, L7 j% E( V
(setq d0 (list 0 0 0))
0 ~' T( Z- d) E% o% Q/ L9 F! C (setq d1 (list
# Y/ ^$ ~, G9 b1 r8 f2 w' K (* r c -1)
4 H+ K1 s+ i7 D: s4 H (* r s -1) ; k6 ~6 e2 H9 G5 G
0# `" B- o3 V9 k
) & g$ F0 H' s! h: m* ~4 K
)
" d+ p6 j, d- F' _6 u9 A (setq d2 (list
* K: {9 v: G9 @0 _4 r (* r c (cos (/ pi 3)))
, [+ ]! u1 x; ~ (* r s -1) 8 a! {1 k: h* ^) _# f: [
(* r c (sin (/ pi 3)) -1)3 u9 t4 u$ N8 s q1 A' _& V! D0 N
)
. H- Z- Y; g2 g0 M- W )
+ [" [6 ~6 D. p (setq d3 (list # ]# v; W% d: W
(* r c (cos (/ pi 3))) 1 J( c! q7 F- v) x7 d5 H% x( [
(* r s -1)
+ x8 b8 y* o$ m: e1 x- ~- ?" d (* r c (sin (/ pi 3)))
' |+ \2 x6 h) g7 B2 E ) 4 M% h C$ v* `+ A5 o8 L4 \. P/ z5 ]. i, z
)7 b" l. [0 g7 Q8 W
(setq d4 (list 0 r 0))
5 J/ N/ e: ]4 L (command "line" d1 d2 "")1 Q/ E0 N1 T* q- P
(command "line" d1 d3 "") D N& [2 o$ V/ \- L6 `
(command "line" d3 d2 "")
6 r) {: x$ E! ?- |3 ]2 V (command "line" d1 d4 "")
9 p- I6 Q8 S; f5 [ (command "line" d4 d2 "")4 b4 j6 i- {5 X {$ E8 l6 | H8 V
(command "line" d4 d3 "")4 W; I) j. K8 _
(command "line" d0 d1 "")2 q& R" {0 h) ~- a$ q( f
(command "line" d0 d2 "")
' f B9 ]$ a5 Y8 G7 K$ H! l (command "line" d0 d3 "")
' _4 @ N/ M& I [% V (command "line" d0 d4 "")4 _" ] [- V/ R) E9 F7 ~! Z
;(vla-AddSphere d0 r)& t Q, a7 ?4 s$ b/ p4 B/ Y
(prin1)
7 H. D1 \# d* J! P3 c)
9 v3 V& `$ x9 Y' s" c" t9 N$ W
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发表于 2017-8-21 22:12:00