/*
20080424 preset.de
new kind of science like cellular automaton
*/

int numpixels;
int[] pixelrow;
int[] newrow;
int row = 0;
int temp;
int sample;
float mp;
int tresh;
void setup(){
  size(650, 100);
  numpixels = width;
  pixelrow = new int[numpixels];
  newrow = new int[numpixels];
  foo();
}
void draw(){
  row++;
  if(row < height){
    for(int x=0; x < width; x++){
      temp = 0;
      sample = x - 1;
      if(sample < 0){
        sample = 0;
      }
      temp += pixelrow[sample] * mp;
      temp += pixelrow[x];

      sample = x + 1;
      if(sample > width - 1){
        sample = width - 1;
      }
      temp += pixelrow[sample] * mp;
      temp = int(temp % 255);
      if(temp > tresh){
          temp = (255);
      }
      //temp = int(temp / 3 * (255 / 3));
      newrow[x] = int(temp);
      stroke(temp); 
      point(x, row);
    }
    stroke(0);
    line(0, row + 1, width, row + 1);
  }else{
    row = -1;
  }
    
  pixelrow = newrow;
}  

void mousePressed(){
foo();
}

void foo(){
  background(255);
  for(int x=0; x < width; x++){
    pixelrow[x] = int(random(255));
    stroke(pixelrow[x]);
    point(x, 0);
  }
  mp = random(1);
  row = 0;
  tresh = int(random(255));
}