//////////////////////////////////////////////////////////

///Abhijith M S///////////////////////////////////////////

///////////////////////30April2023////////////////////////

var x_initial = 0;

var y_initial = 0;

var x = 0;

var y = 0;

var a = [0, 0.5, 0, 0.5];

var b = [0.5, 0.5];

var vx, vy;

var v1x = 0;

var v1y = 0;

var v2x = 1;

var v2y = 0;

var v3x = 0.5;

var v3y = 1;

//var numPoints = 9000;

var offset = 50;

function setup() {

  createCanvas(200, 200);

    x = x_initial;

    y = y_initial;   

}

function draw() {

background(0); 

makePoint();

}

function makePoint()

{

  for(let n = 0; n<frameCount; n++) 

  { 

  stroke(255);

  strokeWeight(2);

  var px = map(x, -4, 9.5, 0+offset, width-offset);

  var py = map(y, -4, 9.5, height-offset, 0+offset);

  point(px, py); 

  fern_one();   

  }

}

function fern_one(percentage)

{

  r = random(0,1);

  if(r<0.1)

  {  

  x = 0.0; 

  y = 0.16*y;

  }

  else if(r>0.1 && r<0.85)

  {  

  x = 0.85*x + 0.04*y; 

  y = -0.04*x + 0.85*y + 1.6;

  }

  else if(r>0.85 && r<0.92)

  {  

  x = 0.2*x - 0.26*y; 

  y = 0.23*x + 0.22*y + 1.6;

  }

  else if(r>0.92 && r<1.0)  

  {

  x = -0.15*x + 0.28*y

  y = 0.26*x + 0.24*y + 0.44  

  }  

}

//////////////////////////////////////////////////////////

///Abhijith M S///////////////////////////////////////////

///////////////////////26April2023////////////////////////

var angle;

var slider;

var fr = 12;

var frames = 60;

function setup() {

  createCanvas(windowWidth, windowHeight);

//  slider = createSlider(0,TWO_PI,PI/4,0.01)

//createSlider(min, max, [value], [step])

//Parameters

//min: minimum value of the slider = 0

//max: maximum value of the slider = TWO_PI

//value: default value of the slider = PI/4 (default is min value)

//step: step size for each tick of the slider = 0.01 (default value is 1.) 

angle = 0; //slider.value();

frameRate(fr); 

}

function draw() {

  background(0);

  //if (frameCount === 1) {

  //const options =

  //{units: "frames"

  //}

  //saveGif('01.gif', frames+1, options);

  //}

  stroke(255); //For White Strokes

  var branchLength = width/4;

  var weight       = 2;

  //var len =100;

  //line(200,height, 200, height-len)

  //To shift the center from (0,0) to (width/2,height)

  translate(width/2,height);

  branch(branchLength, weight, angle);

  angle = angle + (PI/frames);

  if(angle > PI/2){angle = -PI/2;}

}

function branch(len, weight, angle){

  strokeWeight(weight);

  line(0,0, 0, -len);

  //shift the center to (width/2, height-len)

  translate(0, -len);

  //rotate the line by 45 degree from vertical  

  //line(0,0, 0, -0.67*len)

  if(len>1)

  {   

  push();

  rotate(angle);  

  branch(len*0.67, weight*0.80, angle);

  pop();

  push(); 

  rotate(-angle);  

  branch(len*0.67, weight*0.80, angle);

  pop(); 

  }

}