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我会
弹簧画法& j2 p9 O8 e2 i
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* n- e# k1 f" G9 B% [6 ^" [6 d;; HELIX .LSP 螺旋线生成
4 |+ b8 Q# ` d* O# y- w6 k(Defun C:Helix ()( K9 k4 q, j6 [1 ~1 I
(SetQ p (GetPoint "\n中心点: ") x (Car p) y (Cadr p) z (Caddr p)+ [' [& h' w, T B! I6 q' `2 g
r (GetDist p "\n半径: ")2 Z$ j& s0 _* i: ~; J
b (GetDist p "\n总高度: ")
) }! k. d$ s$ c6 O. Z7 d; Sa (GetAngle p "\n起始角: ")
' @; ^0 ] ~: M0 C# Q2 ]m (GetInt "\n圈数: "): R6 X4 [% }: E) l( r2 y
n (GetInt "\n每圈线段数: ")
9 f& l! F, k; G% q+ k1 fda (/ (* m 2 Pi) (* m n)). M, A/ J1 d; J) A D! f
dz (/ b (* m n)); W- }0 D6 C" S' ]# j$ i
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(Command "3dpoly")# @# I3 ^& p( P6 ] k, T
(Repeat (1+ (* m n))
' [& Z# P7 m* O6 O( y7 ^(Command (Polar (List x y z) a r))
3 g: [$ E* x3 p(SetQ a (+ a da) z (+ z dz))
& X: z4 a5 w. d$ ^- C a! {/ z- U# S)
7 v7 Q4 B, ?; x. B; z1 z" O. U(Command "")
0 K, w" [# T0 X' G(PrinC)
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发表于 2009-4-20 17:42
楼主