Attached is example results of coding with square object.

Questions:

a$.$ How to make a coding with visual code using WebGL HTML$/$JS with object beam shape?

b$.$ How to make a coding with visual code using WebGL HTML$/$JS by adding $3$D objects so that there is more than $1$ object on the canvas?

c$.$ How to make a coding with visual code using WebGL HTML$/$JS by adding buttons for zoom in and zoom out?

d$.$ How to make a coding with visual code using WebGL HTML$/$JS by adding a button$/$key listener to make the object move left or right?

e$.$ How to make a coding with visual code using WebGL HTML$/$JS by creating a new button to adjust the rotation of the second object so that its rotation and speed are different from the first object?

diamond