Des boules qui roulent (3)#Loop (Spherical Helix decoration)
The spherical helix equation : [code][/code][br][code][/code][code][/code][code]Courbe((R (k cos(t) cos(k t) + sin(t) sin(k t)), R (k sin(t) cos(k t) - cos(t) sin(k t)), R sqrt(1 - k²) cos(k t)), t, 0, nb * 2π)[/code]
Infos: [url=https://mathcurve.com/courbes3d.gb/helicespheric/helicespheric.shtml]https://mathcurve.com/courbes3d.gb/helicespheric/helicespheric.shtml[/url]