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发表于 2003-7-7 10:19:00
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为了激发大家的cad的兴趣,本人早上又写了一个动画程序,一个可以翻滚的线条,可很好玩哟!
;;;;会翻滚的线条
;;;;by xazhji
;;;;2003-7-7
(defun c:fg()
(setvar "cmdecho" 0)
(setvar "osmode" 0)
(command "zoom" "w" "0,62" "200,-58")
(command "line" "-60,0" "260,0" "")
(command "line" "0,0" "0,10" "")
(setq dang (/ pi 180) ang (- (/ pi 2) dang))
(setq p1 (list 0 0) p2 (polar p1 ang 10))
(while t
(if (and (> dang 0)(= ang pi)) (setq p3 (polar p1 pi 10) p1 p3 p2 (polar p1 0 10) ang 0))
(command "erase" "l" "")
(command "line" p1 p2 "")(command)
(setq ang (- ang dang))
(setq p2 (polar p1 ang 10))
(if (or (>= 0 (car p2))(" )(princ p1 )(princ "p2==>" )(princ p2)))
(if (and (> dang 0)(= ang pi)) (setq p3 (polar p1 pi 10) p1 p3 p2 (polar p1 0 10) ang 0))
(setq str (entget sname))
(setq str (subst (cons 10 p1) (assoc 10 str) str))
(setq str (subst (cons 11 p2) (assoc 11 str) str))
(entmod str)
(redraw)
(setq sname (entlast))
(setq ang (- ang dang))
(setq p2 (polar p1 ang 10))
(if (or (>= 0 (car p2))(vla-object ls) 1)
(setq ed (entget ls))
(command "line" p0 p1 "")
(setq ls1 (entlast))
(vla-put-color (vlax-ename->vla-object ls1) 2)
(setq ed1 (entget ls1))
(setq pick nil)
(while (null pick)
; (setq p (grread t 4 0))
(setq p (grread t 4 2))
(princ)
(setq ip (car p)
pt (cadr p)
)
(if (= ip 5)
(progn
(setq xy (trans (list (* 0.5 (+ (CAR P0) (CAR Pt)))
(* 0.5 (+ (CADR P0) (CADR Pt)))
(caddr p1)
)
1
0
)
)
(setq ed (Subst (cons 10 xy) (assoc 10 ed) ed))
(entmod ed)
(setq p2 (trans pt 1 0))
(setq ed1 (subst (cons 10 pp) (assoc 10 ed1) ed1))
(setq ed1 (subst (cons 11 p2) (assoc 11 ed1) ed1))
(entmod ed1)
)
)
(setq pick (= 3 ip))
)
(entdel ls1)
(prompt "\n 前生制作")
(prompt "....circle园系列")
(princ)
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