Processing2.0b8 new function sample(lite) Original version is https://gist.github.com/p5info/68f026142d8ada895280

Sample2.0b8lite.pde

final int RATIO = 10;
float x, y;

void setup() {
  clear();//more than 2.0b8 (If less than 2.0b7 background(0, 0, 0, 0))
  size(200, 200);
  stroke(255);
  frameRate(1000);
}
void draw() {
  
  //randomGaussian()version
  x =width/2+ randomGaussian()*RATIO;//more than 2.0b8
  y =height/2+ randomGaussian()*RATIO;//more than 2.0b8
  
  ////random() version
  // x =width/2+ random(-1,1)*RATIO;
  // y =height/2+ random(-1,1)*RATIO;

  point(x, y);
}