What it does
input.getAxis reads Axis on an input object. It takes "Horizontal".
The API says: -1..1 (WASD/arrows)
Signature
input.getAxis("Horizontal")Arguments
"Horizontal"
Example · generated
function update(dt) { const axis = input.getAxis('Horizontal');}input.getAxis is called with values of the shape its signature asks for. The code sits in update(dt), which the engine calls every frame: dt is the time since the last one, in seconds.