Matrix Text

//matrix-like cascading code

//6/14/15 Added Class

//6/16/15 Added velocity

​

Character[]things = new Character[50];//list of characters

​

void setup(){

  size(600,600);

  background(0);

  for(int i = 0; i<things.length; i++){

    //create list of characters

    things[i] = new Character(random(width),random(height/2),

                              int(random(5,20)),//velocity

                             char( int( random(33,126) )));

  }

}

​

void draw(){

  frameRate(60);

  fill(0,5,0,20);

  rect(0,0,width, height);

  for(int i = 0; i<things.length; i++){

    //update every character

    things[i].update();

  }

}

​

class Character{

  float x, y;

  int vel;

  char letter;

  Character(float x, float y, int vel, char letter){

    this.x = x;

    this.y = y;

    this.vel = vel;

    this.letter = letter;

  }

  void update(){

   this.y += this.vel;

  if(this.y > height){

   this.y = random(height);

  }

   textSize(random(20));

   fill(0,255,0);

   text(char( int( random(33,126) )), this.x, this.y);

  }

}