Receiving error but cannot debug: ArrayIndexOutOfBoundsException

[Chrisir]

@firetryer

img1.loadPixels();
for (int x = 0; x < img1.width; x++ ) {
for (int y = 0; y < img1.height; y++ ) {

      int loc = x + y*img1.width;

      float r = red  (img1.pixels[loc]);
      float g = green(img1.pixels[loc]);
      float b = blue (img1.pixels[loc]);

      //float adjustBrightness = map(mouseX, 0, width, 0, 8); 
      ////r *= adjustBrightness;
      ////g *= adjustBrightness;
      ////b *= adjustBrightness;

      color c = color(r, g, b);
      if (y > mouseY)
        c = color(200, random(60, 100), r, 0);
      if (x > mouseX/2)
        c = color(random(0, 150), b, 50, 0);
      if (x > mouseX)
        c = color(r/2+62, b*1.5, g/2+50, 0);

      r = constrain(r, 0, 255); 
      g = constrain(g, 0, 255);
      b = constrain(b, 0, 255);

      //noStroke();
      //fill(c);
      //ellipse(x,y,10,10);

      img1.pixels[loc] = c;

This you could do in setup ()

Here you make a new image img1 maybe you can copy it into imgNew and then load img1

Then you have 2 different images

Then you show one or the other depending on your boolean