// created in Processing 0124 Beta
// http://www.processing.org/
//
// by Jeffrey Melton, jmelton@nofi.org
// visit http://www.nofi.org/ for more info
//
// Draws random vertical color lines before saving to a jpeg, clearing and looping
// Saves image sequence while mousePressed
// Load the images as a sequence into Quicktime Player or your favorite motion graphics app

void setup() {
  size(360, 240); // window resolution
  frameRate(15); // affects display speed, but saveFrame makes this lag
  println("Click and hold mouse to save image sequence. Click any key to quit.");
}

void draw() { 
  background(0); // clear screen
    for(int i=0; i<5; i=i+1) { // number of lines per frame
      vline(); //draw line
    }
  if (mousePressed == true) {
    saveFrame("lines-####.jpg"); 
  }
}

void vline() { // draws a random vertical line
  float x = random(width); // limit x to width of screen
  stroke(random(255), random(255), random(255), random(255)); // random values for (R, G, B, alpha)
  strokeWeight(random(50)); // higher number for potentially thicker lines
  line(x, 0, x, height);
}
  

void keyPressed() { // quit on key click
  exit();
}