JSONArray json;

void setup() {
  size(800,800);
 //  json = loadJSONArray("map.json");

 // JSONObject values = json.getJSONObject(1);

 // int x = values.getInt("x");
 // print(x);

}

void draw() {
  background(255);
  generate_tiles();
}

PVector tilesize = new PVector(50, 50);
int[] tiles_x = {50};
int[] tiles_y = {50};
void pickTiles() {

}

void generate_tiles() {
  for (int i = 0; i < tiles_x.length; i++ ) {
    rect(tiles_x[i], tiles_y[i], tilesize.x, tilesize.y);
  }
}

void mouseReleased() {
  tiles_x = (int[])append(tiles_x, mouseX);
  tiles_y = (int[])append(tiles_y, mouseY);

  println(tiles_x);
}

void keyPressed() {
  if (key == 's') {
    println("saved");
    json = new JSONArray();

    for (int i = 0; i < tiles_x.length; i++) {

      JSONArray mapsave = new JSONArray();
      mapsave.setInt(0, tiles_x[i]);
      mapsave.setInt(1, tiles_y[i]);

      json.setJSONArray(i, mapsave);
    }
    saveJSONArray(json, "map.json");
  }
}