"Cerculete" - Processing

ID	Autor	Duplicat din	Ultima modificare
`#4446`	Takacs Robert (RoTak)	-	Miercuri, 02 iun 2021, 16:42

let circles = []

function setup() {
	createCanvas(400, 400);
  	noStroke();
}


function Circle(x, y, r, alpha)
{
 	this.x = x;
  	this.y = y;
 	this.r = r;
  	this.alpha = alpha;
  	this.remove = 0;
  
  	this.Update = function (dt)
    {
      this.alpha -= 0.3 * dt;
      if(this.alpha < 0) this.alpha = 0, this.remove = 1;
    }
    
    this.Draw = function()
    {
     	fill(color(255,255,255,this.alpha));
      	circle(this.x,this.y,this.r);
      	fill(0);
    }
}



function draw() {
  
	background(0);
 	
  	circles.push(new Circle(mouseX, mouseY, 25, 256));
  	while(circles[0].remove) circles.shift();
  
  	for(var i = 1; i < circles.length; ++i)
    {
      circles[i].Update(deltaTime);
      circles[i].Draw();
    }
    	
}