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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
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: ]6 j) [# n5 J X. y& b;; HELIX .LSP 螺旋线生成
. I( y# t1 \6 {( r) L4 i/ w" A(Defun C:Helix ()
: y8 j% @' h* C; ^( p(SetQ p (GetPoint "\n中心点: ") x (Car p) y (Cadr p) z (Caddr p)7 u6 ?* B, A9 x' b* d* u* O+ g
r (GetDist p "\n半径: ")* }9 i3 l" Y3 L
b (GetDist p "\n总高度: ")
- A+ n |$ P$ r1 R8 Ga (GetAngle p "\n起始角: ")! D1 @, J8 e1 J* e- A; e) |+ N9 a1 W
m (GetInt "\n圈数: ")
: U2 x! G& h* s: Vn (GetInt "\n每圈线段数: "), A$ o% T, g! ]( h
da (/ (* m 2 Pi) (* m n))
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0 D# r: I& ]# R4 s1 u; r(Command "3dpoly")
, o+ U) ^ M3 G0 l* R" ^# ](Repeat (1+ (* m n))7 |. @- l' Y! b1 s5 M
(Command (Polar (List x y z) a r))
5 r: w* T T7 s8 } D! g( _(SetQ a (+ a da) z (+ z dz))
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9 c& s1 e' M; {# X/ g" |(Command "")
4 b- M9 m. \0 g7 [* H7 N(PrinC)
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发表于 2009-5-8 16:05