Create a scissors animation!

SOGL V0.12, 53 bytes

LA0≠?.θ«IA}a∫H.¡*»:B┌* 8+Ƨ<=F2%W+a»b-@*+.0<?↔±}1¼UU░P

Try it Here!


MATL, 59 58 57 bytes

|EQG~10*+:"&FXx45@q2/kGg*XHY"8Vh61@oGO<Eq*+h4M?G|H-Z"hP]D

Try it at MATL Online! Or see an example run from the offline compiler:

enter image description here


JavaScript (ES2017) + HTML, 165 + 10 bytes

-16 bytes by @Shaggy

n=>(g=i=>i<-~(n?2*m:9)&&setTimeout(g,250,i+1,s=8+"<>="[i%2?2:n<0|0],o=("-".repeat(i/2)+s).padEnd(m+2),e.innerHTML=(n?n<0?[...o].reverse().join``:o:s)))(0,m=n<0?-n:n)
<pre id=e>

Try it in the below snippet:

let globalTimeout;
const _setTimeout = setTimeout;
window.setTimeout = function(){ globalTimeout = _setTimeout.apply(this, arguments); }
// Code above is to support user input

f=
n=>(g=i=>i<-~(n?2*m:9)&&setTimeout(g,250,i+1,s=8+"<>="[i%2?2:n<0|0],o=("-".repeat(i/2)+s).padEnd(m+2),e.textContent=(n?n<0?[...o].reverse().join``:o:s)))(0,m=n<0?-n:n)

// Code below is to support user input
f(10)
const $inp = document.getElementById("inp");
inp.addEventListener("change", ()=>{
  clearTimeout(globalTimeout);
  f(+inp.value);
});
<input type="number" id="inp" min="-31" max="31" value="10" />

<pre id=e>