a$.$ Make Beam shape of the object.

b$.$ Add $3$D objects so that there is more than $1$ object on the canvas.

c$.$ Add buttons for zoom in and zoom out.

d$.$ Add a button$/$key listener to make the object move left or right.

e$.$ Create a new button to adjust the rotation of the second object so that its rotation and speed are different from the first object.

How to make a coding with visual code using WebGL HTML$/$JS for $5$ conditions as above $($single code with html & js$)?$