tikz pgf - How do I shade a cone to match ball shading? - TeX

How do I shade a cone like this Note that the bright part is wider at the bottom (because the radius is greater there). The intent is that the cone and \tikz \shadedraw[ball color=red] circle[radi

TikZ examples feature: Shadings

Sphere tracing approximates cone intersection. The ray intersects the

TikZ Gallery

Template Documentation, PDF, Citation

i.ytimg.com/vi/ft4Kg9emK1k/hq720.jpg?sqp=-oaymwEhC

TikZ and PGF examples

SA Derivatives and Integrals

Three Dimensional Plot Types - PGFplots Manual

SA Derivatives and Integrals

i.ytimg.com/vi/ih2QJ8V_CWI/hq720.jpg?sqp=-oaymwEhC