/****
* Classes
****/
// Blade class
var Blade = Container.expand(function () {
  var self = Container.call(this);
  var bladeGraphics = self.attachAsset('blade', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.updatePosition = function (x, y) {
    self.x = x;
    self.y = y;
  };
});
// Assets will be automatically created based on usage in the code.
// Fish class
var Fish = Container.expand(function () {
  var self = Container.call(this);
  var fishGraphics = self.attachAsset('fish', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.speed = Math.random() * 2 + 1;
  self.direction = Math.random() < 0.5 ? 1 : -1;
  self.move = function () {
    self.x += self.speed * self.direction;
    if (self.x > 2048 || self.x < 0) {
      self.direction *= -1;
    }
  };
});

/****
* Initialize Game
****/
var game = new LK.Game({
  backgroundColor: 0x87CEEB // Light blue background to represent water
});

/****
* Game Code
****/
var fishes = [];
var blade;
var score = 0;
var scoreTxt = new Text2('Score: 0', {
  size: 100,
  fill: "#ffffff"
});
LK.gui.top.addChild(scoreTxt);
// Create fishes
for (var i = 0; i < 10; i++) {
  var fish = new Fish();
  fish.x = Math.random() * 2048;
  fish.y = Math.random() * 2732;
  game.addChild(fish);
  fishes.push(fish);
}
// Create blade
blade = new Blade();
game.addChild(blade);
// Handle touch move
game.on('move', function (obj) {
  var pos = obj.event.getLocalPosition(game);
  blade.updatePosition(pos.x, pos.y);
  // Check for collisions with fishes
  fishes.forEach(function (fish, index) {
    if (blade.intersects(fish)) {
      // Increase score
      score++;
      scoreTxt.setText('Score: ' + score);
      // Remove fish
      fish.destroy();
      fishes.splice(index, 1);
      // Add a new fish
      var newFish = new Fish();
      newFish.x = Math.random() * 2048;
      newFish.y = Math.random() * 2732;
      game.addChild(newFish);
      fishes.push(newFish);
    }
  });
});
// Game tick
LK.on('tick', function () {
  // Move fishes
  fishes.forEach(function (fish) {
    fish.move();
  });
});