/**
 * Brightness Tracking 
 * by Golan Levin. 
 * 
 * Tracks the brightest pixel in a live video signal. 
 */


import processing.video.*;
import ddf.minim.*;

AudioPlayer player;
Minim minim;

Capture video;
PImage gun, gunshot, splat, targetR, targetB;

void setup() {
  size(460, 350); // Change size to 320 x 240 if too slow at 640 x 480
  // Uses the default video input, see the reference if this causes an error
  video = new Capture(this, width, height, 30);
 
  noStroke();
  smooth();

  minim = new Minim(this);
  player = minim.loadFile("shot.wav");

gun = loadImage("gun1.png");
gunshot = loadImage("gun2.png");
splat = loadImage("splat.png");
//target = loadImage("target.png");
targetB = loadImage("targetB.png");
targetR = loadImage("targetR.png");

}

void draw() {
  if (video.available()) {
    video.read();
    image(video, 0, 0, width, height); // Draw the webcam video onto the screen
    int brightestRX = 0; // X-coordinate of the brightest video pixel
    int brightestRY = 0; // Y-coordinate of the brightest video pixel
    
    int brightestBX = 0; // X-coordinate of the brightest video pixel
    int brightestBY = 0; // Y-coordinate of the brightest video pixel
    float brightestValue = 0; // Brightness of the brightest video pixel
    // Search for the brightest pixel: For each row of pixels in the video image and
    // for each pixel in the yth row, compute each pixel's index in the video
    video.loadPixels();
    int index = 0;
//    for (int y = 0; y < video.height; y++) {
//      for (int x = 0; x < video.width; x++) {
//        // Get the color stored in the pixel
//        int pixelValue = video.pixels[index];
//        
//        // Determine the brightness of the pixel
//        float pixelBrightness = brightness(pixelValue);
//    
//        // If that value is brighter than any previous, then store the
//        // brightness of that pixel, as well as its (x,y) location
//        if (pixelBrightness > brightestValue) {
//          brightestValue = pixelBrightness;
//          brightestY = y;
//          brightestX = x;
    for (int y = 0; y < video.height; y++) {
      for (int x = 0; x < video.width; x++) {
        // Get the color stored in the pixel
        int pixelValue = video.pixels[index]; 
        // Determine the brightness of the pixel
        float pixelBrightnessR = red(pixelValue);
        
        
        // Get the color stored in the pixel
        //int pixelValue = video.pixels[index]; 
        // Determine the brightness of the pixel
        float pixelBrightnessB = blue(pixelValue);
        
        
    
        // If that value is brighter than any previous, then store the
        // brightness of that pixel, as well as its (x,y) location
        if (pixelBrightnessR > brightestValue) {
          brightestValue = pixelBrightnessR;
          brightestRY = y;
          brightestRX = x;
        }
          
          
          
        if (pixelBrightnessB > brightestValue) {
          brightestValue = pixelBrightnessB;
          brightestBY = y;
          brightestBX = x;
        }
        index++;
      }
    }
    // Draw a large, yellow circle at the brightest pixel
    //fill(255, 204, 0, 128);
    //ellipse(brightestX, brightestY, 200, 200);
   //blue
     image (targetB, brightestBX, brightestBY);
    image (gun, brightestBX, 200);
   //red   
    image (targetR, brightestRX, brightestRY);
    image (gun, brightestRX, 200);
       
//    image (target, brightestX, brightestY);
//    image (gun, brightestX, 200);
   //red    
        if (keyPressed == true) {
          //blue
     image (gunshot, brightestBX, 200);
     image (splat, brightestBX, brightestBY);
       //red
     image (gunshot, brightestRX, 200);
     image (splat, brightestRX, brightestRY);
       player.play();
       player.loop(1);
       
//               if (keyPressed == true) {
//     image (gunshot, brightestX, 200);
//     image (splat, brightestX, brightestY);
//       player.play();
       //player.loop();
  }
         
}

}

void stop()
{
  // always close Minim audio classes when you are done with them
  player.close();
  minim.stop();
  
  super.stop();
}