My New Sketch

int numCircles = 14;

int spacing = 15;

​

void setup() {

  size(800, 600);

  smooth();

  background(0);

  noLoop();

}

​

void draw() { 

  background(0);

for (int i = 0; i < 9;i++){

for (int j = 0; j < 7; j++){

bullseye(i*100, j*100, 5);

}

}

​

//for(int i=0; i<50;i++){

  //int bx = int(random(0,width));

  //int by = int(random(0,height));

  //int bnum = int(random(2,8));

  //bullseye(bx,by,bnum);

}

  //bullseye(width/2, height/2, int(map(mouseY,0,600,2,100)));

  //bullseye(width/2-200, height/2, 15);

  //bullseye(mouseX,mouseY, 5);

  //bullseye(width/2, height/2-200, 10);

  //bullseye(width/2, height/2+200, 20);

//}

​

void bullseye(int xPos, int yPos, int numCircles) {

  stroke(127);

  strokeWeight(5);

  noFill();

  // bullseye

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

  {

    stroke(127,127,127,map(i,0,numCircles,127,0));

    ellipse(xPos, yPos, i*spacing, i*spacing);

  }

 // line(mouseX,mouseY,xPos,yPos);

}