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我会
弹簧画法
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;; HELIX .LSP 螺旋线生成
1 f( ~" d2 c! K; K1 J1 \3 j(Defun C:Helix ()& s3 A3 q5 u: Y
(SetQ p (GetPoint "\n中心点: ") x (Car p) y (Cadr p) z (Caddr p)% H8 \! j1 [4 C& {# _2 C$ [0 v
r (GetDist p "\n半径: ")
; O" Z" ]: R$ jb (GetDist p "\n总高度: ")
4 M2 e$ }! M+ M' g2 Ba (GetAngle p "\n起始角: ")
3 l1 ] n- t. O# pm (GetInt "\n圈数: ")8 _ a& L$ y& q4 L o1 `5 N
n (GetInt "\n每圈线段数: ")
( c1 V5 [& K6 n& O) oda (/ (* m 2 Pi) (* m n))! g, b8 h/ P/ |/ w
dz (/ b (* m n))
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0 s/ ~4 _8 [# O(Command "3dpoly")
% t- t. t+ ^" a/ ]: ^/ p0 q- f(Repeat (1+ (* m n))3 i. M, M4 }. E
(Command (Polar (List x y z) a r))3 A6 [+ B' Q) ^4 t# r
(SetQ a (+ a da) z (+ z dz))5 H7 ^6 z6 |. l
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(Command "")8 S3 v* q, ~; y' _1 A% ]8 k
(PrinC)" N5 h8 l' @) M; ]/ ~ b
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发表于 2009-4-20 17:42
楼主