Closer Follow

int WIDTH = 580;

int HEIGHT = 580;

boolean flicker = true;

int[] x = new int[20];

int[] y = new int[20];

void setup()

{

    size (WIDTH, HEIGHT);

    rectMode(CENTER);

    ellipseMode(CENTER);

    frameRate(40);

    for (int i = 0; i < 20; i++)

    {

        x[i] = 0;

        y[i] = 0;

    }

}

void draw()

{

    background(0);

    for (int i = 0; i < 19; i++)

    {

        x[i]= x[i+1];

        y[i]= y[i+1];

    }

   x[7] = mouseX;

   y[7] = mouseY;

   ellipse(x[0],y[0],20,20);

}