// The Nature of Code

// The Coding Train / Daniel Shiffman

// https://youtu.be/pUhv2CA0omA

// https://thecodingtrain.com/learning/nature-of-code/4.4-image-textures.html

​

// Texture Maker: https://editor.p5js.org/codingtrain/sketches/NS4rB1Yx-

// Image Texture: https://editor.p5js.org/codingtrain/sketches/TTVoNt58T

// Shader (WEBGL): https://editor.p5js.org/codingtrain/sketches/EXZmcc4m_

​

​

// Making it look like a torch: wojtekpaszo

​

​

let emitter;

let img;

​

let useMouse = true

​

function preload() {

  img = loadImage('texture32.png');

}

​

function setup() {

  createCanvas(600, 600);

  noCursor();

  emitter = new Emitter(width/2, height*5/6);

  frameRate(30)

}

​

function draw() {

  clear();

  background(0);

  blendMode(ADD);

  // let force = createVector(0, -0.1);

  // emitter.applyForce(force);

​

  // let dir = map(mouseX, 0, width, -0.5, 0.5);

  let wind = createVector(random(-1,1), -1);

  if (useMouse)

    emitter.changePos(mouseX,mouseY)

  // else{

  //   let move = motion();

  //   emitter.changePos(move.x,move.y)

  // }

​

  emitter.applyForce(wind);

  emitter.emit(1);

  emitter.show();

  emitter.update();

}

​

function motion(){

  return createVector(sin(frameCount/40)*width/6 + width/2,height*6/7)

}