reaction diffusion test.java

class Agent {
  float a;
  float b;

  Agent(float _a, float _b) {
    a = _a;
    b = _b;
  }


  void update(Agent other) {
    println(other);
  }
}

Agent[][] agents;

void setup() {
  size(800, 800);

  colorMode(HSB, 1);

  agents = new Agent[width][height];

  for (int y = 0; y < height; y ++) {
    Agent[] row = new Agent[width];
    for (int x = 0; x < width; x++) {

      row[x] = new Agent((float)x/width, (float)y/height);
    }
    agents[y] = row;
  }

  loadPixels();
}

void draw() {
  for (int x = 0; x < width; x++) {
    for (int y = 0; y < height; y++) {
      int i = x + y * width;

      Agent agent = agents[x][y];
      // get surrouding pixels
      // do maffs
      // set agent a and b

      int w = 1;
      int h = 1;

      for (int ax = -w; ax <= w; ax++) {
        for (int ay = -w; ay <= w; ay++) {
          if (ax > 0 && ax < width - 1 && ay > 0 && ay < height -1) {
            Agent other = agents[ax][ay];
            int v = abs(ax) + abs(ay);
             
            if (v == 2) {
              // corners
              
            } else if (v == 1) {
              // nearest
            } else {
              // self
            }
          }
          
        }
      }

      if (x > 0) {
        Agent left = agents[x-1][y];
        agent.a = doTheThing(agent.a, left.a);
      }

      if (x < width - 1) {
        Agent right = agents[x+1][y];      
        agent.a = doTheThing(agent.a, right.a);
      }

      if (y > 0) {
        Agent top = agents[x][y-1];
        agent.a = doTheThing(agent.a, top.a);
      }

      if (y < height - 1) {
        Agent bottom = agents[x][y+1];      
        agent.a = doTheThing(agent.a, bottom.a);
      }

      pixels[i] = color(agent.a % 1, agent.b, 0.5);
    }
  }
  updatePixels();
}