Fractals

float angle;

float leftEffect = 1;

// leftEffect default is 1

float rightEffect = 1;

// rightEffect default is 1

float lenMultiplier = 0.67;

// lenMuiltiplier default is 0.67

​

void setup(){

  fullScreen();

}

​

void draw(){

  background(51); 

  fill(255);

  stroke(255);

  angle = (mouseX / 2.5) / 57.251;

  text(angle, 10, 20);

  translate(width/2, height);

  drawLine(200);

}

​

void drawLine(float len){

  line(0, 0, 0, -len);

  translate(0, -len);

  if(len > 4){

  pushMatrix();

  rotate(angle * rightEffect);

  drawLine(len * lenMultiplier);

  popMatrix();

  pushMatrix();

  rotate(-angle * leftEffect);

  drawLine(len * lenMultiplier);

  popMatrix();

  }

}