Flappy Bird 2 - OpenProcessing

mySketch
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function Bird() {
  this.y = height/2
  this.x = 64
  this.gravity = 1
  this.lift = -20 
  this.velocity = 0
  
  
  this.show = function() {
    fill(255)
    image(birdImg, this.x, this.y, 32, 32)
  }
  
  this.up = function() {
    this.velocity += this.lift
  }
  
  this.update = function() {
    this.velocity += this.gravity
    this.velocity *= 0.9
    this.y += this.velocity
    
    if (this.y > height - 32) {
      this.y = height - 32
      this.velocity = 0
    }
    
    if (this.y < 0) {
      this.y = 0
      this.velocity = 0
    }
  }
}
​
function Pipe() {
  this.top = random(height/2)
  this.bottom = random(height/2)
  this.x = width
  this.w = 20
  this.speed = 2
  this.highlight = false
  this.scored = false
  this.scoreCounted = false
  this.r = random(255)
  this.g = random(255)
  this.b = random(255)
  
  this.hits = function(bird) {
      if (bird.x + 32 > this.x && bird.x < this.x + this.w ) {
        if (bird.y - 32 < this.top || bird.y > height - this.bottom) {
          this.highlight = true
          return true
        } else {
          this.scored = true
        }
      }
    //this.highlight = false
    return false
  }
  
  this.countScore = function(){
    if (bird.x > this.x + this.w && this.scored && this.scoreCounted == false){
      score += 1
      console.clear()
      //print(score)
      
      this.scoreCounted = true
    }
  }
  
  this.show = function() {
    fill(255)
    if (this.highlight) {
      fill(255, 0, 0)     
    } else{
      fill(this.r, this.g, this.b)
    }
    rect(this.x, 0, this.w, this.top)
    rect(this.x, height-this.bottom, this.w, this.bottom)
  }
  
  this.update = function() {
    this.x -= this.speed
    
  }
  
  this.offscreen = function() {
    if (this.x < -this.w) {
      return true 
    } else {
      return false  
    }
  }
}
​
var birdImg
var backImg
var bird
var pipes = []
var score = 0
var end = false
​
​
function setup() {
  createCanvas(windowWidth, windowHeight)
  bird = new Bird()
  birdImg = loadImage("https://i.imgur.com/OrHqbiO.png")
  backImg = loadImage("http://i.imgur.com/GP2oOj3.jpg")
  pipes.push(new Pipe())
  fill(100)
}
​
function draw() {
    background(backImg)
    fill(0)
    text("score: " + score, 10, 20)
    for (var i = pipes.length-1; i >= 0; i--){
      
        pipes[i].show()
        pipes[i].update()
​
        if (pipes[i].hits(bird)) {
            end = true
        }
        pipes[i].countScore()
​
        if (pipes[i].offscreen()) {
          pipes.splice(i, 1)  
        }
      if (end == true) {
        pipes[i].speed = 0
      }
    }
    
    bird.show()
    bird.update()
    
    if (frameCount % 200 == 0){
      pipes.push(new Pipe())
    }
    
    
}
​
function keyPressed() {
  if (key == ' ' && end == false){
    bird.up()
  }
}
​
function touchStarted() {
  if (end == false){
      bird.up()
  }
}