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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 e- M8 B+ z" M ~) Y& d
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;; HELIX .LSP 螺旋线生成! Q3 x. e7 U: X1 L8 k$ F
(Defun C:Helix ()! e' c' e& K4 H) q
(SetQ p (GetPoint "\n中心点: ") x (Car p) y (Cadr p) z (Caddr p)
0 ~3 S' _" g. mr (GetDist p "\n半径: ")* K( {. @' L, C7 r6 L3 k
b (GetDist p "\n总高度: ")* l# ]2 L- P& K; w+ j
a (GetAngle p "\n起始角: ")' w* W5 U/ T' N" h7 n" C; [
m (GetInt "\n圈数: ")
3 f5 ~- o+ ?& a- h: {% a K+ [3 En (GetInt "\n每圈线段数: ")
% s' f: ?" g! ^% Rda (/ (* m 2 Pi) (* m n))) k( q& q* q7 k7 i* T* }
dz (/ b (* m n))
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(Command "3dpoly")0 V) @5 w+ j4 U% y4 ?. j
(Repeat (1+ (* m n))* t/ y' @' A8 G( i$ G- @$ h1 {4 |1 ~
(Command (Polar (List x y z) a r))* [6 l, B2 C2 I/ ?5 f: V+ i7 R
(SetQ a (+ a da) z (+ z dz))
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7 M( M& Q Y2 i; O+ W9 V( T) A(Command "")/ E, h. E+ s* t" W8 g
(PrinC)
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发表于 2009-5-8 16:05