SOURCE

console 命令行工具 X clear 

                    

                        
>

                        
                    

                

            

            
console

            
var x=200  
var y=60

function setup(){

createCanvas(500,500);

function draw(){
    fill(0);

if(keyIsPressed){
  if (keyCode==37){
  X-=2
}

else if (keyCode==39) {x+=2} 
else if (keyCode==38) {y-=2} 
else if (keyCode==40) {y+=2}
}
  stroke(random(320),60,60);

   fil(random(320),random(320),80);
   textSize(15);
   ellipse(x+40,y,40,40)}

            
<script src="https://cdnjs.cloudflare.com/ajax/libs/p5.js/1.1.9/p5.min.js"></script>