import processing.opengl.*;

import traer.physics.*;

ParticleSystem ps;

Blade[] blades;
int bladeCount = int(random(40, 100));

float windSpeed = random(-2, 2);
boolean windOn = true;


void setup() {
  size(600, 250, OPENGL);
  smooth();
  background(0, 51, 102);
  //frameRate(20);
  
  ps = new ParticleSystem(4.0, 1.0);
  
  blades = new Blade[bladeCount];
  for (int i = 0; i < bladeCount; i++) {
    blades[i] = new Blade();
  }
}

void draw() {
  fill(1, 105, 201);
  noStroke();
  rect(0, 0, width, height);
  
  ps.tick();
  
  for (int i = 0; i < bladeCount; i++) {
    blades[i].update();
    if (windOn) blades[i].wind(windSpeed);
  }
}

void mousePressed() {
  //windOn = !windOn;
  //if (windOn) windSpeed = random(-1, 1);
  windSpeed = random(-2, 2);
}



float sqr(float x) {
  return x * x;
}