let botTimer = setInterval(()=>{
        
    const lastLayer = stackBoxArr[stackBoxArr.length -1];
    const previousLayer = stackBoxArr[stackBoxArr.length -2];
    
    // LAST LAYER DIRECTION
    let lastDirection = lastLayer.direction;
    
    // CALCULATE OUTBOX 
    let delta = lastLayer.threejs.position[lastDirection] - previousLayer.threejs.position[lastDirection] // !NOTE: THE BOTH BOX MUST BE CALCULATED WITH THE SAME DIRECTION
    let alpha = Math.abs(delta); // GET POSITIVE NUM
    
    // CALCULATE OUTBOX WIDTH DEPTH
    let outbox = (lastDirection === "x")? lastLayer.width : lastLayer.depth;
    let inbox = outbox - alpha;
            
    const boxRelation = inbox / outbox; // 0 to 1
    if(boxRelation >= 0.9){
        document.body.click();
                
        console.log(boxRelation); // OUTPUT
    }
    
}, 20);