Simple Particle Class Array

int num = 10;

Particle [] floaterS = new Particle [num];

float hitDistance = 50;

​

void setup() {

  size( 600, 800);

  for (int i = 0; i < num; i++) {

    floaterS[i] = new Particle(random(width), random(height));

    floaterS[i].gravity = new PVector(0, -.1);

    floaterS[i].fillColor = color(0, 255, 255);

  }

}

​

void draw() {

  background(0);

  hitBox();

  for (int i = 0; i < num; i++) {

    floaterS[i].update();

    floaterS[i].display();

  }

}

void hitBox () {

  //draw hitbox around the particle

  fill(247, 17, 144, 80);

  strokeWeight(6);

  stroke(247, 17, 144);

  for (int i = 0; i < num; i++) {

    ellipse(floaterS[i].pos.x, floaterS[i].pos.y, hitDistance, hitDistance);

  }

}

​

void mousePressed() {

  //on mouse click, add force to object

  for (int i = 0; i < num; i++ ) {

    if ( dist(mouseX, mouseY, floaterS[i].pos.x, floaterS[i].pos.y) < hitDistance+10) {

      floaterS[i].addForce( 0, 10 );

    }

  }

​

  //// on mouse click, move away from the mouse

  //for (int i = 0; i < num; i++) {

  //  if (dist (mouseX, mouseY, floaterS[i].pos.x, floaterS[i].pos.y) < hitDistance+10) {

  //    floaterS[i].addForce((floaterS[i].pos.x - mouseX)*0.03, (floaterS[i].pos.y - mouseY)*0.03);

  //  }

  //}

}

​