// declare font
PFont font;

//a variable to store the maximum # of elements in the array
int MAX = 10;

//declare array names and allocate the space to store them
char[] ch = new char[MAX];
int[] chx = new int[MAX];
int[] chy = new int[MAX];

void setup() {
  // load font & declare font size
  font = loadFont ("CenturyGothic-48.vlw");
  textFont(font, 48);  

  // declare scene setup
  size(600, 600);
  background(0);
  smooth();

  // generate variables of array
  for (int i = 0; i < MAX; i++) {
    ch[i] = char(int(48+i));
    chx[i] = int (100+i*40);
    chy[i] = int (100);
  }
}


void draw() {
  // clear background
  // background(0);
  fill(0,random(5));
  rect(0,0,width,height);

  // draw elements
  for (int i = 0; i < MAX; i++) {
    fill(random(255),random(30));
    chy[i] = int (random(height/2-10,height/2+10));
    text (ch[i], chx[i], chy[i]) ;
  }

}

void mousePressed() {
  // clear background
  background(0); 
  // generate an integer as a starting point
  int chrnd = int(random(48,120)); 
  // store ascii string to array
  for (int i = 0; i < MAX; i++) { 
    ch[i] = char(chrnd+i);
  }
}