"Animatie " - Processing

ID	Autor	Duplicat din	Ultima modificare
`#1659`	Lazar Ionut Radu (LazarIonutRadu)	-	Sambata, 10 feb 2018, 01:03
var bug;  // Declare object
var p;
var gravity=0.1;
var c=0.05
var lenght=40;
var particles = [lenght];

function setup() {
  
  createCanvas(400, 400);
  for(var i=0 ; i<lenght ; i++)
    particles[i] = new Particle();
  
}

function draw() {

  background(0);
  //bug.move();
  //bug.display();
  	for(var i=0 ; i<lenght ; i++)
  	{
    	particles[i].update();
  		particles[i].display();
    	particles[i].refresh();
  	}
}



function Particle() {
  
  this.x = 200;
  this.y = 200;
  this.radius = 15;
  this.brightness = 255;
  this.yspeed = random(-2.5,-3.5);
  this.xspeed = random(-1,1);
  this.airRes;
  this.refreshRate = random(1.7,3.2);
  
  
  this.display = function() {
    noStroke();
    fill(this.brightness);
    ellipse(this.x, this.y, this.radius, this.radius);
  }
  
  
  this.update = function() {
     
    this.airRes = 0.05*sqrt(this.xspeed*this.xspeed+this.yspeed*this.yspeed);
    this.yspeed = this.yspeed + gravity;
  	this.y = this.y + this.yspeed - this.airRes;
    if(this.xspeed > 0)
  	  this.x = this.x + this.xspeed - this.airRes;
    else
      this.x = this.x + this.xspeed + this.airRes;
    this.brightness = this.brightness - this.refreshRate;
  }
  	
  
  this.refresh = function() {
   	if(this.brightness<0)
    {
      this.x = 200;
  	  this.y = 200;
  	  this.radius = 15;
  	  this.brightness = 255;
  	  this.yspeed = random(-2.5,-3.5);
  	  this.xspeed = random(-1,1);
    }
    
  }
};