// DF07
float dist;
float[] xpos = new float[256], ypos = new float[256];

void setup()
{
  size(300,300);
 
  background(255,0,0);
  rectMode(CENTER_DIAMETER);
  noStroke();
  fill(200,100,0);
  for (int i=0; i<16; i++)
  {
    for (int j=0; j<16; j++)
    {
      xpos[i*16+j]=i*width/15;
      ypos[i*16+j]=j*height/15;
    }
  }
 
}


void loop()
{
  background(30);
  for (int i = 0; i < 16; i++)
  {
     for (int j = 0; j < 16; j++)
     {
       dist = sqrt(sq(mouseX-i*width/15) + sq(mouseY-j*height/15));
       xpos[i*16+j]+=random((-800+(i*width/15-xpos[i*16+j]))/50, (800+(i*width/15-xpos[i*16+j]))/50);
       ypos[i*16+j]+=random((-800+(j*height/15-ypos[i*16+j]))/50, (800+(j*height/15-ypos[i*16+j]))/50);
       
       xpos[i*16+j]+=(i*width/15-xpos[i*16+j])/(1+sq(abs(dist))/7000);
       ypos[i*16+j]+=(j*height/15-ypos[i*16+j])/(1+sq(abs(dist))/7000);
       
       rect(xpos[i*16+j], ypos[i*16+j], 8+abs(dist)/30, 8+abs(dist)/30);
       
     }
  }
 
}