/****
* Classes
****/
// Class for Pokéball
var Pokeball = Container.expand(function () {
  var self = Container.call(this);
  var pokeballGraphics = self.attachAsset('pokeball', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.speed = -5;
  self.update = function () {
    self.y += self.speed;
  };
});
//<Assets used in the game will automatically appear here>
//<Write imports for supported plugins here>
// Class for Pokémon
var Pokemon = Container.expand(function () {
  var self = Container.call(this);
  var pokemonGraphics = self.attachAsset('pokemon', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.speed = 2;
  self.update = function () {
    self.x += self.speed;
    if (self.x > 2048 || self.x < 0) {
      self.speed *= -1;
    }
  };
});

/****
* Initialize Game
****/
var game = new LK.Game({
  backgroundColor: 0x87CEEB // Init game with sky blue background
});

/****
* Game Code
****/
// Initialize variables
var pokemons = [];
var pokeballs = [];
var score = 0;
// Create score display
var scoreTxt = new Text2('Score: 0', {
  size: 100,
  fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Function to update score
function updateScore() {
  scoreTxt.setText('Score: ' + score);
}
// Function to spawn a Pokémon
function spawnPokemon() {
  var newPokemon = new Pokemon();
  newPokemon.x = Math.random() * 2048;
  newPokemon.y = Math.random() * 1000 + 500;
  pokemons.push(newPokemon);
  game.addChild(newPokemon);
}
// Function to throw a Pokéball
function throwPokeball(x, y) {
  var newPokeball = new Pokeball();
  newPokeball.x = x;
  newPokeball.y = y;
  pokeballs.push(newPokeball);
  game.addChild(newPokeball);
}
// Handle game touch events
game.down = function (x, y, obj) {
  throwPokeball(x, y);
};
// Update game state
game.update = function () {
  // Update Pokémon positions
  for (var i = pokemons.length - 1; i >= 0; i--) {
    pokemons[i].update();
  }
  // Update Pokéball positions and check for collisions
  for (var j = pokeballs.length - 1; j >= 0; j--) {
    pokeballs[j].update();
    for (var k = pokemons.length - 1; k >= 0; k--) {
      if (pokeballs[j].intersects(pokemons[k])) {
        score += 10;
        updateScore();
        pokemons[k].destroy();
        pokeballs[j].destroy();
        pokemons.splice(k, 1);
        pokeballs.splice(j, 1);
        break;
      }
    }
    if (pokeballs[j] && pokeballs[j].y < -50) {
      pokeballs[j].destroy();
      pokeballs.splice(j, 1);
    }
  }
  // Spawn new Pokémon every 120 ticks
  if (LK.ticks % 120 == 0) {
    spawnPokemon();
  }
};