public class Mycelium extends PApplet{
    PImage img;

    public static void main(String[] args) {
        PApplet.main("Mycelium");

    }

    public void settings(){
        size(400,400);
    }

    public void setup(){
        img = loadImage("picture.png");
        loadPixels();
        //image(img,0,0);
        background(0);
        fill(255);
        getMaxBrightness((int)random(img.width), (int)random(img.height));
//      int bright =
//      for (int i = 0; i < img.height; i++) {
//          for (int j = 0; j < img.width; j++) { // image is an array of pixels, randomly selects pixels to look at, less precise when smaller size (larger zoom) for better fps
//              int pxlen = (i + img.width * j);// 2D array using 1D array of image
//              if()
//          }
//      }
    }

    public void draw(){

    }

    /*public void myc(float x, float y){
        if(x < img.width && x > 0 && y > 0 && y<img.height){
            int pxlen = (x + img.width * y);
            if(red(img.pixels[pixlen+1])>red(im))
        }
    }*/
    public void getMaxBrightness(int a, int b){
        //loadPixels();
        if(a > 1 && a < img.width-1 && b > 1 && b < img.height-1){
        int max = 0;
        /*for (int x = a - 1; x <= a + 1; x++) {
            for (int y = b-1; y <= b+1; y++ ) {
                int pxlen = (x + img.width * y);
                if(red(img.pixels[pxlen])> max){
                    max=img.pixels[pxlen];
                }
            }
         }*/
        for (int x = a - 1; x <= a + 1; x++) {
            for (int y = b-1; y <= b+1; y++ ) {
                int pxlen = (x + img.width * y);
                if(red(img.pixels[pxlen]) >= max){
                    ellipse(x,y,5,5);
                    getMaxBrightness(x,y);
                }
            }
         }
        }
    }


}