数学图形(1.34) peut aussi曲线

这是一种左右对称的类圆形曲线

#http://www.mathcurve.com/courbes2d/lissajous/lissajous2.shtml
vertices = 12000
t = from 0 to (2*PI)
m = 3
n = 7
w = PI/2
a = 10
p = a*sin(m*t)
q = w*sin(n*t+w)
x = p*cos(q)
y = p*sin(q)

加随机数处理

vertices = 12000
t = from 0 to (2*PI)
m = rand_int2(1, 10)
n = rand_int2(1, 10)
w = PI/2
a = 10
p = a*sin(m*t)
q = w*sin(n*t+w)
x = p*cos(q)
y = p*sin(q)