6 s w7 C5 ?# D. v yx = cos ( t *(5*180)); ]5 ?9 C" N7 N5 w. t
y = sin ( t *(5*180))3 D" \/ @& W2 w2 g6 @4 I; u
z = 0 6 A, s5 V) X, ^4 X! F! O D/ Q. M8 ^- F5 b
; L( ? v3 X3 A) z9 |) A/ n& T( |40.封閉球形環(huán)繞曲線 / i( b0 j$ t' r' r9 { * `% n, {5 E/ I* F. Qrho=2 8 |, _( L9 ]5 ttheta=360*t0 I0 w8 C: h3 @9 v7 h* {3 K J
phi=t*360*10 4 ]4 P$ R. m* S7 J" `% Y- u" G ; o7 { B3 U* r* Y2 _ $ R" u2 P$ d2 Q, f5 l6 V41.柱坐標(biāo)螺旋曲線 . L8 P; j/ H5 b: U; K3 f " S) ^" l' U1 p. Tx = 100*t * cos ( t *(5*180))9 Q4 L U6 R' K( q6 U
y = 100*t * sin ( t *(5*180))9 T! W6 y, V' N' n8 t6 g
z = 0 * d2 c( Z- v' B ]; R0 u4 m9 F3 A; m: |9 d/ d4 V
' K c4 v+ v4 @1 w5 r
42.蛇形曲線( |6 z4 W; [% c$ ]7 K5 x" ]0 d
' h! B) M M0 ^& |" ^1 \$ }" [
x = 2 * cos ( (t+1) *(2*180))+ z6 }$ h* u; E9 D' G
y = 2 * sin ( t *(5*360)) ! _6 e5 t5 h% I9 @8 \$ g. Zz = t*(t+1) - ?% M* o+ {" d" Q( @( x* c" j- J, }
8 S4 s+ P, m7 H- e5 S+ D
43.8字形曲線 1 |1 D+ o" o: c* o柱坐標(biāo) " M4 r+ l6 J# f% z n ) ]% ]) h" ?# V/ N- otheta = t*360( ~( j4 E& N9 R, x. Z
r=10+(8*sin(theta))^2: t% k# g4 N8 ~( z7 Y6 [. M
0 S8 n8 i( C p" f2 J4 T6 X2 X! F3 g1 k! n$ A
44.橢圓曲線% h# G9 c6 _/ u$ ^* t% A
笛卡爾坐標(biāo)系9 c5 \0 {+ l, u- _
# d+ b( H/ j( f
a = 10 1 i( J! {* S, U; [* qb = 20 9 V& N7 c2 o# Y/ f5 p3 n6 t! ]theta = t*360& J2 A- h3 T0 R; U1 g+ H
x = a*cos(theta)2 _4 L% o' T; u3 u5 W8 {
y = b*sin(theta) 3 [# ~) _0 H# f" k 5 t! }4 D8 h) d5 b5 x6 C6 P: z) F+ r" h
45.梅花曲線 1 k: q' t" K( N5 L1 M柱坐標(biāo) 7 [" |6 H5 p/ E7 e5 @ 4 N8 U- h) d ?* k$ x3 X z& f& [3 htheta = t*360 % E5 N H% \' S) u0 Fr=10+(3*sin(theta*2.5))^2 % K/ c1 Z& \5 i; `8 e 6 o5 b( g% J" b5 g* O7 J& T' R, e% e, ^: r! w8 p2 Z
46.另一個(gè)花曲線 ! w; C$ D; l- T: R% m( I# K! F 2 k5 S% b: ^: F5 n' w# Wtheta = t*360! { ]- o" O8 [. o. J" M. @/ T
r=10-(3*sin(theta*3))^2 0 i7 {( B% _4 h2 l9 E; r! Y: z5 {z=4*sin(theta*3)^2 ! X$ A9 W: N% J$ C9 U% U , b2 F3 ^; s2 I K, H9 S5 g$ m% m _, \7 I, G" T0 m
47.改一下就成為空間感更強(qiáng)的花曲線了;) + r) r+ Z! x/ m( _) x- u& y* x9 W! _7 ]& E6 Y
theta = t*3608 r4 s7 f4 O; E2 k
r=10-(3*sin(theta*3))^2: K$ P2 U4 o5 x! Z4 Y
z=(r*sin(theta*3))^2+ f$ h8 k- F; U! O" W7 M4 z. M% Z1 J, \
8 b+ y& A6 [: _8 ^- X' Q " t x0 s8 s/ Z" }48.螺旋上升的橢圓線# o) o1 R* K- [
P S8 k3 x2 o: o5 Q3 k# B
a = 10 + l% w! |! `# L! ]b = 20 2 k" t& H" e K/ I1 ]# f' Ctheta = t*360*36 h2 d- @. }+ E9 ?8 P
x = a*cos(theta)1 J+ G5 I8 W4 F& Y/ d* U- N
y = b*sin(theta)6 g6 y) x, ?) V7 n
z=t*12 + ]& b6 L) ?9 r. @# R" q/ b" X' ^' _. [- Z( J" Q i$ ?+ D$ G+ U; E
* o- s$ m0 R4 S( ?, |: y- K u% x
49.甚至這種螺旋花曲線 ) v3 b7 h) y/ J" H5 r8 B. }7 c5 \) u$ j9 z
theta = t*360*4 : X$ @3 n( i2 m0 ~9 {r=10+(3*sin(theta*2.5))^2 4 X3 S: q6 Q" e/ m* {3 zz = t*16 * y6 w4 a1 [) s5 j. J 4 t3 B! Z3 n9 g 7 _6 @+ W' k. v2 h50 鼓形線3 \# H% ]1 l* r! U# c* @
笛卡爾方程 - U3 {* e- F0 \; u0 s T% x/ D9 l9 ~0 C# c7 C& [r=5+3.3*sin(t*180)+t5 l& q" t" p* R9 D9 p2 P3 w0 U
theta=t*360*101 [' l7 y" A! {6 z+ s
z=t*10/ M: t3 D* u! j; P; L