renatolrr_AprendiendoProcessing/motion101acceleration/motion101acceleration.pde

Mover mover;

void setup(){
  size(640, 360);
  mover = new Mover();
}

void draw(){
  background(255);
  
  mover.update();
  mover.checkEdges();
  mover.display();
}

class Mover{
  PVector location;
  PVector velocity;
  PVector acceleration;
  
  float topspeed;
  
  Mover(){
    location = new PVector(width/2, height/2);
    velocity = new PVector(0, 0);
    acceleration = new PVector(-0.001, 0.01);
    topspeed = 10;
  }
  
  void update(){

    acceleration = PVector.random2D();
    
    velocity.add(acceleration);
    velocity.limit(topspeed);
    location.add(velocity);
  }

  void display(){
    stroke(0);
    fill(175);
    ellipse(location.x, location.y, 16, 16);
  }
  
  void checkEdges(){
    if(location.x > width){
      location.x = 0;
    }else if(location.x < 0){
      location.x = width;
    }
    if(location.y > height){
      location.y = 0;
    }else if(location.y < 0){
      location.x = height;
    }
  }
}