"Sierpinski triangle" - Processing

ID	Autor	Duplicat din	Ultima modificare
`#4351`	Ionescu Vlad (Vlad_Stefan217)	Tree	Joi, 11 mar 2021, 09:57

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

var pi=3.1415;
 var la=.75,lb=.6,aa=pi/4, ab=-pi/5;

function draw() {
  //line(300,100,300+100*cos(aa),100-100*sin(aa));
  tree(250,400,120,pi/2);

}

function tree(x,y,l,angle){
  if(l>2){
  	line(x,y,x+l*cos(angle),y-l*sin(angle));
    tree(x+l*cos(angle),y-l*sin(angle),l*la,angle+aa);
    tree(x+l*cos(angle),y-l*sin(angle),l*lb,angle+ab);
  }
}