Add shape collision example (#5079)
Add shape collision example (#5079)

* Add shape collision example

* Switch to Point

* Caching values for length

* Cache Mesh, fix always True, add note, clean

* Typo

manthansharma/kivy,inclement/kivy,autosportlabs/kivy,kivy/kivy,akshayaurora/kivy,jegger/kivy,bionoid/kivy,inclement/kivy,matham/kivy,tony/kivy,manthansharma/kivy,manthansharma/kivy,KeyWeeUsr/kivy,kivy/kivy,jegger/kivy,KeyWeeUsr/kivy,janssen/kivy,bionoid/kivy,rnixx/kivy,akshayaurora/kivy,rnixx/kivy,bionoid/kivy,manthansharma/kivy,jegger/kivy,janssen/kivy,janssen/kivy,LogicalDash/kivy,jkankiewicz/kivy,LogicalDash/kivy,bionoid/kivy,LogicalDash/kivy,autosportlabs/kivy,inclement/kivy,Cheaterman/kivy,jkankiewicz/kivy,matham/kivy,akshayaurora/kivy,jkankiewicz/kivy,KeyWeeUsr/kivy,jegger/kivy,rnixx/kivy,Cheaterman/kivy,tony/kivy,janssen/kivy,kivy/kivy,Cheaterman/kivy,autosportlabs/kivy,matham/kivy,KeyWeeUsr/kivy,LogicalDash/kivy,tony/kivy,jkankiewicz/kivy,Cheaterman/kivy,matham/kivy