Ondas Esféricas que se desvanecen en Loop

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7

I really apreciate last answers.

Now I need to repeat indefinitely the second circle of my code, the one that is moving, once every second. Thank you so much.


float x=0;
float y=255;


void setup(){
  
  size(270,540);
  background(0,0,0);
  noStroke();
} 


void draw (){
  background(0,0,0);
  strokeWeight(3);
  stroke(255,255,255);
  noFill();
  circle(width/2, height/2, height/10);
  
  stroke(255,255,255,y);
  circle(width/2, height/2, height/10+x);
  x=x+1; 
  y=y-1;

}