/* To use:
 * Pick a size, and set it with the size function
 * Pick a number of dots, and set dots to that numbe
 * The output will be called dots.png
 */

int dots = 30;
size(400, 400);
int dotlocx[] = new int[dots];
int dotlocy[] = new int[dots];

fill(0);
stroke(0);
background(255);

for(int i = 0; i < dots; i++){
    int dotx = int(random(width-20)) + 10;
    int doty = int(random(height-20)) + 10;
    int closest = 1000;
    for(int j = 0; j < i; j++){
       int dist = abs(dotlocx[j] - dotx) + abs(dotlocy[j] - doty);
       if(dist < closest)
         closest = dist;
    }
    if(closest < 20){
       i--;
       continue;
    }
    dotlocx[i] = dotx;
    dotlocy[i] = doty;
    int r = int(random(5)) + 5;
    ellipse(dotx, doty, r, r);
}

save("dots.png");
println("Done");