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工具-aotolisp-编辑器，复制以下代码，保存，然后加载就OK了，输入命令HELIX，就可以画弹簧了，呵呵( H2 S$ J/ v) K+ K6 D B
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;; HELIX .LSP 螺旋线生成
; y/ ^7 ?8 D* K8 G(Defun C:Helix ()
1 T; u6 B3 O5 C/ w/ j2 Y% M(SetQ p (GetPoint "\n中心点: ") x (Car p) y (Cadr p) z (Caddr p), a H. G9 K% z; d
r (GetDist p "\n半径: ")0 B7 t" v; w# B8 M
b (GetDist p "\n总高度: ")' M' |) l( f$ b3 e% z* F" A
a (GetAngle p "\n起始角: ")! U/ y9 }4 \7 a) c4 w5 |
m (GetInt "\n圈数: ")- e w5 N! \8 z( P, Q8 J
n (GetInt "\n每圈线段数: ")
3 h! g3 e* e# P7 I2 c) S4 nda (/ (* m 2 Pi) (* m n))
_6 B$ k2 P; k5 I6 ?, d/ G: Fdz (/ b (* m n))
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4 k6 ^, R, {3 w* x0 v, H1 R+ Y(Command "3dpoly")4 K* p8 F4 i- e7 c h8 u
(Repeat (1+ (* m n))3 c, X" H6 i7 ]* K* A
(Command (Polar (List x y z) a r))
9 }6 O6 f" |% @( u% }- o7 |(SetQ a (+ a da) z (+ z dz)) y8 J. v& I' Q9 t6 L: L @
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/ q. r% m: c4 I, ~& Y. Q(Command ""); |' g! s6 r: |- o. w/ b, Q
(PrinC): G! A% i* t$ c4 V/ ?/ W2 x
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发表于 2009-5-8 16:05