Js canvas drawimage setinterval

 let inside = setInterval(() => { 
	ctx.drawImage(bull,bas.x,bas.y) 
			world.push(bull) 
 
 
if ((bas.x + bull.width >= agent.x) && (bas.x <= agent.x + agentImg.width) && (bas.y + bull.height >= agent.y) && (bas.y  
 <= agent.y + agentImg.height)){ 
 
 
let av = document.querySelector("#fail") 
av.play() 
agent.y += 300 
agentImg.src = "agent_dead.png" 
return 
 
} 
bas.x+=10 
 
 
return 
}, 3000);