flower.pde

ArrayList<PhylloTaxis> flowers;
int spacing = 500;

PhylloTaxis flower;

void setup(){
  size(1920, 1080);
  background(10, 20, 30); 
  flowers = new ArrayList();
}



void spawnFlower(){
  
  float centerX = random(20, width - 20);
  float centerY = random(20, height - 20);
  
  //make sure it is not too near to any of the existing flowers
   for(int i = 0; i< flowers.size(); i++){
     //calculate distance
     PhylloTaxis flower = flowers.get(i);
     float dist = dist(centerX, centerY, flower.centerX, flower.centerY);
     
     if(dist < spacing) return ;
   }
  
  PhylloTaxis flower = new PhylloTaxis();
  flower = new PhylloTaxis();
  flower.centerX = centerX;
  flower.centerY = centerY;
  flower.scale = 5; 
  flower.size = int(random(2, 8));
  flower.colorIndicator = int(random(0,2));
  flower.angle = random(0, 180);
  flowers.add(flower);
}


PhylloTaxis createFlower(){
  
   PhylloTaxis flower = new PhylloTaxis();
  flower = new PhylloTaxis();
  //flower.centerX = random(20, width - 20);
  //flower.centerY = random(20, height - 20);
  flower.centerX = width / 2;
  flower.centerY = height / 2;
  flower.scale = 5; 
  flower.size = int(random(2, 8));
  flower.colorIndicator = int(random(0,2));
  flower.angle = random(180, 270);
  return flower;
}



void draw(){
  
   //spawnFlower();
  
   /*for(int i = 0; i< flowers.size(); i++){
     flowers.get(i).draw();
   }*/
   
   if(flower != null && flower.growing){
     flower.draw();
   }else{
     clear();
     flower = createFlower();
     flower.draw();
   }
  
}



class PhylloTaxis{
  float centerX;
  float centerY;
  int n = 0; //No of dots in the pattern.
  int scale; //scale of the whole pattern
  int size = 8;
  int colorIndicator = 2;
  float angle;
  boolean growing = true;
  
  void draw(){
    float phi = n * angle;
    float r = scale  * sqrt(n);
    
    float x = r * cos(phi)  + centerX;
    float y = r * sin(phi) + centerY;
    
    if(colorIndicator == 0){
      fill(color(255, 120, (phi - r) % 255));
    }else if(colorIndicator == 1){
      fill(color(120, (phi - r) % 255, 255));
    }else{
      fill(color((phi - r) %  255,255, 120));
    }
    
    size += 0.1;
    circle(x, y, size);
    
    if(n < 1000){
      n++;
    }else{
      growing = false;
    }
    
    textSize(32);
    fill(255, 255, 255);
    text("Angle: "+angle, centerX, centerY - 250);
  }
  
// Phyllotaxis ::
// phi = n * 137.5;
// r = c* sqrt(n);


}