Epitrochoid - Hypocycloid tutorial pen project Right Arrow - start the display process by your selected parameters. SPACE - stop the current display process ShowCircle (0 - Only show the art result; 1 - show the generating process) autoMode (0 - manual choose your rads; 1 - automatically show pre-selected series) Red d=radMove Yellow d=0.5 radMove Green d=1.5 radMove
Epitrochoid - a roulette traced by a point attached to a circle of radius radMove rolling around the ''''outside'''' of a fixed circle of radius Rad, where the point is at a distance d from the center of the exterior circle. Special Cases: Limacon rad=radMove (Cordioid when d=radMove) Nephroid rad=2*radMove Hypotrochoid - a roulette traced by a point attached to a circle of radius radMove rolling around the inside of a fixed circle of radius Rad, Special Cases: Tusi Couple rad=2*radMove (straight line when d=radMove; Ellipse whe d!=radMove) Music - Morning Walk by Jonny Easton