How to use the scroll wheel?

Question

css

How to use the scroll wheel?
if I twist forward, then bool, if not, then fall
and back the same way)

Answer 1

codepen.io/Anna_Batura/pen/EPvZvB

Answer 2

Input.GetAxis("Mouse ScrollWheel") - Returns a positive number when scrolling up and a negative number when scrolling down.
float tmp = Input.GetAxis("Mouse ScrollWheel");
if (tmp > 0f)
{
// up
}
else if (tmp < 0f)
{
// down
}