Flappy Bird High Score

//License: Creative Commons Attribution-Share Alike 3.0 and GNU GPL license

//From KTByte.com http://tinyurl.com/reddit-crappybird

​

/*For the high score, it is fairly similar to score. Only difference, do not reset the

high score when the user is redirected to the start screen. Check out the walls class to

see how to change the high score. 

*/

character bird;

background back;

walls wall0;

walls wall1;

​

PImage start_screen;

​

char game_state = 's'; //game state --> s is for start screen, p is for play, etc.

int score = 0;

int highscore = 0;

​

​

void setup() {

  size(600, 800);

  frameRate(30);

  fill(0);

  textSize(40);

  textAlign(CENTER);

  //initialize sprites

  bird = new character("http://i.imgur.com/mw0ai3K.png", height/2);

  back = new background("http://i.imgur.com/cXaR0vS.png", 0);

  wall0 = new walls("http://i.imgur.com/4SUsUuc.png", 600, height/2);

  wall1 = new walls("http://i.imgur.com/4SUsUuc.png", 900, 600);

​

  //initalize start screen

  start_screen = loadImage("start.png");

} 

​

void draw(){

  switch(game_state){

    case 's':

     imageMode(CORNER);

     image(start_screen, 0, 0);

     textSize(20);

     text("Highscore: " + highscore, 70, 20); //display high score in top right corner

     break;

    case 'p':

      back.update();

      wall0.update();

      wall1.update();

      bird.update();

      textSize(40);

      text(score, width/2, 700);

      textSize(20);

      text("Highscore: " + highscore, 70, 20); //display high score in top right corner

      break;

  }

}

​

void mouseClicked(){

  if(game_state == 's'){

       //reset all sprites

       bird.y = height/2;

       bird.vy = 1;

       back.x = 0;

       wall0.x = 600;

       wall0.y = height/2;

       wall1.x = 900;

       wall1.y = 600;

       //reset score

       score = 0;

       //change game state back to play mode

       game_state = 'p';

     }

  else if(game_stes = 'p'){

    //if mouse is clicked, move bird up

    bird.vy -= 10;

  }

}

​

class background{

 PImage backImg;

 float x; 

 float y;

 background(String img, float xpos){

   backImg = loadImage(img);

   x = xpos;

   y= 0;

 }

 void update(){

   //change x position

   x-= 6;

   //reset background when it reaches the edge

   if(x <= -1800){

     x = 0;

   }

   //display background

   imageMode(CORNER);

   image(backImg, x, y);

   image(backImg, x+backImg.width, y);

 }

}

​

class character{

 PImage user;

 float x; //x position is always middle of screen

 float y; //y position

 float vy; //velocity

 character(String img, float ypos){

   user = loadImage(img);

   y = ypos;

   x = width/2;

   vy = 1;

 }

 void update(){

   //increase velocity to rapidly make bird fall

   vy += 1;

   y += vy;

   //display bird

   image(user, x, y);

 }

}

​

class walls{

 PImage wallImg;

 float x;

 float y;

 walls(String img, float xpos, float ypos){

   wallImg = loadImage(img);

   x = xpos;

   y = ypos;

 }

 boolean hitBird(){

    if(abs(width/2-x) < 25 && abs(bird.y-y) > 100){

      return true;

    }

   return false;

 }

 void update(){

   //check if the bird hit

   if(hitBird() == true){

     game_state = 's';

     return;

   }

   //check if score needs to increase

   if(x == width/2){

     score++;

     //check if score is greater than highscore. if so, set high score to score

     if(score > highscore){

       highscore = score;

     }

   }

​

   //if walls reach the end of the screen, reset 

   if(x < 0){

     y = (int)random(200, height -200);

     x = width;

   }

   //move walls to the left

   x -= 6;

   //display walls

   imageMode(CENTER);

   image(wallImg, x, y - (wallImg.height/2 + 100));

   image(wallImg, x, y + (wallImg.height/2 +100));

 }

}