/**
 **
 ** futureCalligraphy by Joseph Gray - March 2nd 2009
 **
 ** built using Processing - http://processing.org
 **
 **
 */

float distance = 0;
float px = 0, py = 0;
int rand = 0, prevRand = 0, randDistance = 10;


void setup() {
  size(300, 600);
  frameRate(30);
  cursor(CROSS);
  smooth();
}

void draw() {
   	

  if (focused) {
    blend(0, 0, width, height, 0, 0, width, height, OVERLAY);
    fill(222, 55, 11, 4);
    noStroke();
    rect(0, 0, width, height);
    //
    randDistance = abs(prevRand-rand);
    rand = round(random(randDistance+50));
    distance = abs(pmouseX-mouseX)*.5;
    
    stroke(10, 111, 255-distance+rand, 255);
    strokeWeight(distance*2+rand);
  
    line(pmouseX, pmouseY, mouseX, mouseY);
    prevRand = rand;
    filter(ERODE);
    if (mousePressed) {
        filter(INVERT);
    }
  }




}