let treeImg;

let dino;

function preload() {

  dinoImg = loadImage('dino.png');

  treeImg = loadImage('tree.png');

}

​

function setup() {

  createCanvas(400, 400);

  dino = new Dino(50,200, dinoImg);

}

​

function draw() {

  background(0,200,230);

  dino.update();

  dino.show();

}

​

function keyPressed() {

  dino.jump();

}

​

class Dino{

  constructor(x,y,img) {

    this.x = x;

    this.y = y;

    this.yv = 0;

    this.img = img;

  }

  jump() {

    this.yv = -8;

  }

  update() {

    this.x = this.x + 1;

    this.x = this.x % width;

    if(this.y > 301)

      this.yv++;

    this.y = this.y + this.yv;

  }

  show() {

    imageMode(CENTER);

    image(this.img,this.x,this.y,100,100 );

  }

}