The green flag and see. You can change the slider "a" and slider "k"
Shared from Scratch 2 Offline Editor Hypocycloid curve parametric equations described: x=rkcost+rcos(t*k) y=rksint-rsin(t*k) with k positive (k>1) k=2 - deltoid k=3 - astroid with k negative (k<-1) equations describe epicycloid k=-2 cardioid + geometric transformations music: Papa-paparapa-Papa Remix (Solo Players) (Youtube)
