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发表于 2008-5-10 20:16
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***************珍珠项链建模源代码********************
, h( c' d: J) L9 k6 U) F. l6 _4 X$$佛珠
/ p7 L7 N9 h7 l R! a$$实体变量声明。
5 U4 D0 ^/ u3 Y( M% |" Z. hentity/pt(11) $$选择的点数
# ?3 Q9 M/ J% @" t0 X* @entity/obj1,obj2,obj3,obj4 `0 B8 N1 z$ x; v4 D/ z6 A
entity/mycolor, d( u# k, f$ ]3 h0 u6 V
entity/results(1000) $$生成的点集" I; X* S- X) H- f9 B2 j* R/ N; @+ Z
number/num2,num $$点集的数量1 I4 K( T; x! |* C, U8 r
number/beaddia $$佛珠直径
; P( }$ }8 s3 y$ W0 snumber/a(3),b(3)3 ~2 [+ E. O6 Y2 l# g& t# V
data/num2,108
' F3 O( `0 i+ e! r9 i; \$$print/'num2',num2) _; K5 @) p6 q4 L% e) U$ M, L `0 }
$$选择屏幕点
( b2 J. a, ~* i4 L9 R4 rnum=1
$ L. R! O& J- b: pl10:
7 O) z- Y8 X+ \ Y/ T1 Hif/num>11,jump/l30:" m5 Y' n! [) A$ J: ~
pos/'pick a point',x,y,z,resp
3 [/ T! e4 b% {1 i/ ~- y1 @6 B( tjump/l10:,trm:,,,l20:,resp
% X7 n" _2 G' v% b6 v( _! @. b: B) h+ v0 I! D! g
l20:
' B- J8 n. ]: G! l, J; p" ?pt(num)=point/x,y,z4 e o6 |. J) O. j8 Q u) d& j
num=num+1
( c7 W( L& Z; i7 T1 ?+ ?; ijump/l10:) H) X1 Q! C4 p. d" p6 t7 j
! Q! v7 S% m Z. _% I( I% x$$创建封闭的样条曲线
) C) y4 ]8 b; o8 i% hl30:! x; E5 L. f& _! ^, ^7 K' \9 h
obj1=spline/closed,pt(1..num-1)
1 g- Z S- M$ p. t/ T Z. Ddelete/pt e- o: ?6 ?8 K& F& h& J/ `) d
$$样条曲线分段,创建点集(等弦长,弦长=beaddia)
u7 a3 T f5 S( ~cpset/earcl,obj1,num2,results2 i+ z, P7 m7 P6 `" F4 R; Y
$$计算球体的直径
" N3 v+ o& N* R0 \a(1..3)=&point(results(1))
4 W" m5 _ I' R- U3 C. R0 W8 Z2 ab(1..3)=&point(results(2))5 I- |, d7 F; J
beaddia=sqrtf((a(1)-b(1))**2+(a(2)-b(2))**2+(a(3)-b(3))**2)# R6 [! b- b1 [& ]
) C5 O9 d' W; M( |$ G% x+ |9 t. ]* c6 ]- r* e
$$在样条曲线的分段点上创建佛珠8 i9 m3 F& m& m3 ?5 G
num=1
3 H& K) C X! g( i; Ol40:
, F& d$ V" H: o4 \( `& W- pif/num>108,jump/l50:
; a" u1 c2 R4 E( Sa(1..3)=&point(results(num))
8 R" ~: q; ^5 b' N7 {) V! wobj2=solsph/origin,a(1),a(2),a(3),diamtr,beaddia
" D. G' a5 p4 M2 }num=num+1$ t7 c6 ]) g% Y, K+ M5 B y% ^. V6 b9 p: ~8 I
jump/l40:
9 Q" I# e. p) F
! e$ H8 b: J! X4 }; ]$$创建线
) T. o& L; p8 O; Al50:
! X0 e% T" S5 Eobj3=spline/results(1..108)! f/ Q! d, Q/ F
obj4=soltub/obj1,diamtr,beaddia/8
- U5 F7 d9 g; B0 I
/ k4 ?# n- J! Adelete/results6 e. F* T8 [! ?, m5 b% j6 j
delete/obj1
) M/ l" O* F" I% B `! ydelete/obj3$ \& \6 e- V# c
$$程序结束$ @$ w% d0 X! o
trm:1 \6 b0 [4 U, ~6 ^% H2 \
halt |
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