text: let inputDirection = {x:0, y:0}
  let lastInputDirection = {x:0, y:0}
  document.addEventListener("keydown", e=>{
  	switch(e.key){
  		case "ArrowUp":
  			if (lastInputDirection.y !== 0) break
  			inputDirection = {x:0, y:-1}
  			break;
  		case "ArrowDown":
  			if (lastInputDirection.y !== 0) break
  			inputDirection = {x:0, y:1}
  			break;
  		case "ArrowLeft":
  			if (lastInputDirection.x !== 0) break
  			inputDirection = {x:-1, y:0}
  			break;
  		case "ArrowRight":
  			if (lastInputDirection.x !== 0) break
  			inputDirection = {x:1, y:0}
  			break;
  	}
  })
  export function getInputDirection(){
  	lastInputDirection = inputDirection
  	return inputDirection
  }