个人觉得,这是一种变异的SIN曲线.
#http://www.mathcurve.com/courbes2d/anguinee/anguinee.shtml
vertices =
t = from (-PI) to (PI)
a = rand2(, )
d = rand2(, ) x = d*tan(t/)
y = a/*sin(t)
面的形式:
#http://www.mathcurve.com/courbes2d/anguinee/anguinee.shtml
vertices = D1: D2:
u = from (-PI*0.95) to (PI*0.95) D1
v = from to D2
d = rand2(, )
x = d*tan(u/)
y = v/*sin(u)
v = v*0.1