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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% { o( E1 D, A9 F2 H6 N
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% ]- t, B% ~4 V;; HELIX .LSP 螺旋线生成
s9 `+ s* f- q- Z+ A ^(Defun C:Helix ()2 }7 ]% K( Y7 j$ B+ @5 o# s5 E
(SetQ p (GetPoint "\n中心点: ") x (Car p) y (Cadr p) z (Caddr p)! M$ c8 Z. Z% h. x
r (GetDist p "\n半径: ")# ^. H5 [, j5 Z8 L: [) [
b (GetDist p "\n总高度: ")
& U1 l1 Y j# Z* `+ t$ a; Ya (GetAngle p "\n起始角: ")# k$ a. V' f' l3 P8 }" e
m (GetInt "\n圈数: ")
7 e( Z: m/ F |) c3 ]/ `n (GetInt "\n每圈线段数: ")* j4 W+ H/ M6 E* W9 K2 E% v
da (/ (* m 2 Pi) (* m n))
) k1 l# s* x6 j# A& Z8 i6 vdz (/ b (* m n))( s$ e! r6 Y1 e& t
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(Command "3dpoly")6 J4 d) a3 B" M \
(Repeat (1+ (* m n))+ ?7 X/ M$ ~# x
(Command (Polar (List x y z) a r))
! R( [: l- M! F l* Z/ T(SetQ a (+ a da) z (+ z dz)); H( F" F* V2 e
)
- T; b2 A. }# O(Command "")
, O, G: `1 R, e+ E( S* A(PrinC)# z5 \: V; N5 J2 a( T; l" \
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发表于 2009-5-8 16:05