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我会
弹簧画法
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% m3 V% l! a2 H0 N6 i. n& p5 x6 v;; HELIX .LSP 螺旋线生成* v' s y. p: g
(Defun C:Helix ()5 S9 Z" J% a6 o
(SetQ p (GetPoint "\n中心点: ") x (Car p) y (Cadr p) z (Caddr p)/ X) s: B; n* {& i# K9 \
r (GetDist p "\n半径: ")" x4 e4 j% R# I: r# E8 Q Q
b (GetDist p "\n总高度: ")
* d8 V8 I9 {- ~7 ra (GetAngle p "\n起始角: ")
W) U" a( l, q( V9 u: {4 o) U; cm (GetInt "\n圈数: ")
, d6 R1 L# E$ a$ |n (GetInt "\n每圈线段数: ")
5 S/ k+ |& }! f7 yda (/ (* m 2 Pi) (* m n))
; N+ M4 o( V9 L' ^" z3 Hdz (/ b (* m n))
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(Command "3dpoly")
. B2 Z" _- I: [; l% q9 u% u(Repeat (1+ (* m n))3 x* Y* m# @; b) D: L) h$ O- @9 J) e
(Command (Polar (List x y z) a r))8 s9 s( a- p, t" |
(SetQ a (+ a da) z (+ z dz))) a0 _+ }8 C. d# f, l
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(Command "")
7 F5 u: g3 m% R' A$ W' t5 o5 ^(PrinC)
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发表于 2009-4-20 17:42
楼主