import processing.video.*;
import processing.pdf.*;

Capture myCapture;

void setup() 
{
  size(320, 240);
  background(0);
  smooth();
  myCapture = new Capture(this, 320, 240, 30);
  myCapture.loadPixels();
  // The name of the capture device is dependent those
  // plugged into the computer. To get a list of the 
  // choices, uncomment the following line 
  // println(Capture.list());
  // And to specify the camera, replace "Camera Name" 
  // in the next line with one from Capture.list()
  // myCapture = new Capture(this, width, height, "Camera Name", 30);
}

void captureEvent(Capture myCapture) {
  myCapture.read();
}

void draw() {
  //image(myCapture, 0, 0);
  //circle filter
  for (int i = 0; i < width*height; i += random(1, 30)){
       color p = myCapture.pixels[i];
       float r = red(p);
       float g = green(p);
       float b = blue(p);
       //float bwx = (r + g + b) /3;
       float circle = map(b, 0, 255, 0, 50);
       int x = i % width;
       int y = i / width;
       if (y % 3 == 0){
         fill(r, g, b);
         ellipse(x, y, circle, circle);
       }
      
      } 
}

void keyPressed(){
  if (key == 'b'){
     beginRecord(PDF, "lines.pdf");
     background (0);
  } else if (key == 'e') {
     endRecord();
     exit();
  }
}