let y;

​

function setup() {

  createCanvas(400, 400);

  x1=width/2;y1=height/2

  x2=width/2;y2=height/2

  x3=width/2;y3=height/2

  x4=width/2;y4=height/2

  x5=width/2;y5=height/2

  x6=width/2;y6=height/2

  x7=width/2;y7=height/2

}

​

function draw() {

  background(0);

  //first circle- red

  fill(255,0,0)

  x1+=1

  ellipse(x1,y1,25,25)

  //second circle- green

  fill(0,255,0)

  x2-=1

  ellipse(x2,y2,25,25)

  //4 more,1 moving towards each of the 4 corner of the canvas-yellow

  fill(255, 255, 0)

  x3-=2

  y3-=2

  ellipse(x3,y3,20,20)

  x4+=2

  y4-=2

  ellipse(x4,y4,20,20)

  x5-=2

  y5+=2

  ellipse(x5,y5,20,20)

  x6+=2

  y6+=2

  ellipse(x6,y6,20,20)

  //1 more, that moves 10 time faster-blue

  fill(0,0,225)

  y7-=10

  ellipse(x7,y7,25,25)

}