5 t=1 xt=3*b*cos(t*360)+l*cos(3*t*360) yt=3*b*sin(t*360)+l*sin(3*t*360) ¯。星形线 a=5 t=1 xt=a*(cos(360*t))^3 yt=a*(sin(360*t))^3 叶形线 a=10 t=1 xt=3*a*t/(1+(t^3)) yt=3*a*(t^2)/(1+(t^3)) ¯。螺纹线 t=1 xt=4*cos(t*(5*360)) yt=4*sin(t*(5*360)) zt=6*t 蛇形线 瞭=1 xt=2*cos(t*360*3)*t yt=2*sin(t*...
正弦波
t=1
xt=5*t*t
yt=sin(t*8*360)*0.5
渐开线
pitch_diameter=10
pressure_angle=20
r=(pitch_diameter/2)*cos(pressure_angle)
t=1
xt=r*cos(90*t*t)+r*(90*t*t)*(pi/180)*sin(90*t*t)
yt=r*sin(90*t*t)-r*(90*t*t)*(pi/180)*cos(90*t*t)
普通外摆线
r=10
t=1
xt=t*(2*pi*r)-sin(t*360)*r
yt=r-cos(t*360)*r
¯小飞机
t=1
xt=cos(t*360)+cos(3*t*360)
yt=sin(t*360)+sin(5*t*360)
¯弯月
t=1
xt=cos(t*360)+cos(2*t*360)
yt=sin(t*360)*2+sin(t*360)*2
¯五角形线
t=1
xt=2+(10-6)*cos(360*4*t)+10*cos((10/6-1)*(360*4*t))
yt=2+(10-6)*sin(360*4*t)-6*sin((10/6-1)*(360*4*t))
¯t=1
xt=2+(10-6)*cos(360*4*t)+10*cos((10/6-1)*(360*4*t))
yt=2+(10-6)*sin(360*4*t)-10*sin((10/6-1)*(360*4*t))
¯t=1
xt=2+(10-2)*cos(360*4*t)+10*cos((10/6-1)*(360*4*t))
yt=2+(10-2)*sin(360*4*t)-10*sin((10/6-1)*(360*4*t))
¯t=1
xt=0.5+(10-6)*cos(360*5*t)+10*cos((6/10-1)*(360*5*t))
yt=0.5+(10-6)*sin(360*5*t)-10*sin((6/10-1)*(360*5*t))
热带鱼
a=5
t=1
xt=(a*(cos(t*360*3))^4)*t
yt=(a*(sin(t*360*3))^4)*t
双蝴蝶线
t=1
theta=t*360+90
r=cos(360*t*5)*3+0.5
zt=cos(360*t*3)*3
t=1
theta=t*360+18
r=cos(360*t*5)*0.75+3.5
zt=cos(t*360*5)*0.4
t=1
theta=t*360-54
r=cos(360*t*5)*0.5+2.5
zt=cos(t*360*5+90)*0.5
