/****
* Classes
****/
//<Assets used in the game will automatically appear here>
//<Write imports for supported plugins here>
// Class for the Excavator
var Excavator = Container.expand(function () {
  var self = Container.call(this);
  var excavatorGraphics = self.attachAsset('excavator', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.jumpHeight = 200;
  self.isJumping = false;
  self.jumpSpeed = 20;
  self.originalY = 0;
  self.jump = function () {
    if (!self.isJumping) {
      self.isJumping = true;
      self.originalY = self.y;
    }
  };
  self.update = function () {
    if (self.isJumping) {
      self.y -= self.jumpSpeed;
      if (self.y <= self.originalY - self.jumpHeight) {
        self.isJumping = false;
      }
    } else if (self.y < self.originalY) {
      self.y += self.jumpSpeed;
    }
  };
});
// Class for Trees
var Tree = Container.expand(function () {
  var self = Container.call(this);
  var treeGraphics = self.attachAsset('tree', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.speed = 5;
  self.isRed = false;
  self.update = function () {
    self.x -= self.speed;
  };
});

/****
* Initialize Game
****/
var game = new LK.Game({
  backgroundColor: 0x000000 //Init game with black background 
});

/****
* Game Code
****/
var excavator = game.addChild(new Excavator());
excavator.x = 200;
excavator.y = 2000;
var trees = [];
var score = 0;
var scoreTxt = new Text2('0', {
  size: 150,
  fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
game.down = function (x, y, obj) {
  excavator.jump();
};
game.update = function () {
  excavator.update();
  if (LK.ticks % 60 == 0) {
    var newTree = new Tree();
    newTree.x = 2048;
    newTree.y = 2000;
    if (Math.random() < 0.2) {
      newTree.isRed = true;
      newTree.attachAsset('redTree', {
        anchorX: 0.5,
        anchorY: 0.5
      });
    }
    trees.push(newTree);
    game.addChild(newTree);
  }
  for (var i = trees.length - 1; i >= 0; i--) {
    var tree = trees[i];
    tree.update();
    if (tree.x < -100) {
      tree.destroy();
      trees.splice(i, 1);
      continue;
    }
    if (excavator.intersects(tree)) {
      if (tree.isRed && !excavator.isJumping) {
        LK.effects.flashScreen(0xff0000, 1000);
        LK.showGameOver();
        return;
      } else if (!tree.isRed) {
        score++;
        scoreTxt.setText(score);
        tree.destroy();
        trees.splice(i, 1);
        if (score >= 50) {
          LK.showYouWin();
        }
      }
    }
  }
};