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JavaScript

Monica Djunaidi
Monica Djunaidi
4,202 Points

JavaScript Intro Task #2 Question

I'm getting an error message that my code isn't working even though when I demo it, the life count goes down by 1 when it gets poison. Can someone please help? Here is the link to the challenge for task #2: https://teamtreehouse.com/library/introducing-javascript/finishing-the-game/final-code-challenge

My code is below:

var game; var player; var platforms; var badges; var stars; var poisons; var cursors; var jumpButton; var scoreText; var livesText; var finalMessage; var won = false; var gameOver = false; var currentScore = 0; var lives = 3; var winningScore = 100;

function createStars() { stars = game.add.physicsGroup();

starCreate(425, 100, 'star');
starCreate(315, 100, 'star');
starCreate(175, 200, 'star');
starCreate(200, 400, 'star');
starCreate(250, 550, 'star');

}

function createPoisons() { poisons = game.add.physicsGroup();

poisonCreate(675, 275, 'poison');
poisonCreate(450, 375, 'poison');
poisonCreate(375, 475, 'poison');

}

function createPlatforms() { platforms = game.add.physicsGroup();

platforms.create(300, 150, 'platform');
platforms.create(400, 250, 'platform');
platforms.create(100, 250, 'platform');
platforms.create(500, 350, 'platform');
platforms.create(400, 450, 'platform');
platforms.create(300, 550, 'platform');

platforms.setAll('body.immovable', true);

}

function starCreate(left, top, starImage) { var star = stars.create(left, top, starImage); star.animations.add('spin'); star.animations.play('spin', 8, true); }

function poisonCreate(left, top, poisonImage) { var poison = poisons.create(left, top, poisonImage); poison.animations.add('bubble'); poison.animations.play('bubble', 8, true); }

function starCollect(player, star) { star.kill(); currentScore = currentScore + 20; if (currentScore === winningScore) { won = true; } }

function poisonCollect(player, poison) { poison.kill(); if (poison.key === 'poison') { lives = lives - 1; } if (lives === 0) { player.kill(); gameOver = true; } }

window.onload = function () {

game = new Phaser.Game(800, 600, Phaser.AUTO, '', { preload: preload, create: create, update: update, render: render });

function preload() {

    game.stage.backgroundColor = '#89889c';

    //Load images
    game.load.image('platform', 'platform.png');
    //Load spritesheets
    game.load.spritesheet('player', 'mikethefrog.png', 50, 60);
    game.load.spritesheet('poison', 'poison.png', 24, 62);
    game.load.spritesheet('star', 'star.png', 54, 52);
    game.load.spritesheet('badge', 'badge.png', 42, 54);
}

function create() {

    player = game.add.sprite(150, 600, 'player');
    player.animations.add('walk');
    player.anchor.setTo(0.5, 1);

    game.physics.arcade.enable(player);

    player.body.collideWorldBounds = true;
    player.body.gravity.y = 500;

    createStars();
    createPoisons();
    createPlatforms();

    cursors = game.input.keyboard.createCursorKeys();
    jumpButton = game.input.keyboard.addKey(Phaser.Keyboard.SPACEBAR);

    scoreText = game.add.text(16, 16, "SCORE: " + currentScore, { font: "24px Arial", fill: "white" });
    livesText = game.add.text(685, 16, "LIVES: " + lives, { font: "24px Arial", fill: "white" });

    finalMessage = game.add.text(game.world.centerX, 250, "", { font: "48px Arial", fill: "white" });
    finalMessage.anchor.setTo(0.5, 1);
}

function update() {
    scoreText.text = "SCORE: " + currentScore;
    livesText.text = "LIVES: " + lives;

    game.physics.arcade.collide(player, platforms);
    game.physics.arcade.overlap(player, stars, starCollect);
    game.physics.arcade.overlap(player, poisons, poisonCollect);

    player.body.velocity.x = 0;

    if (cursors.left.isDown) {
        player.animations.play('walk', 10, true);
        player.body.velocity.x = -350;
        player.scale.x = - 1;
    }
    else if (cursors.right.isDown) {
        player.animations.play('walk', 10, true);
        player.body.velocity.x = 350;
        player.scale.x = 1;
    }
    else {
        player.animations.stop();
    }

    if (jumpButton.isDown && (player.body.onFloor() || player.body.touching.down)) {
        player.body.velocity.y = -400;
    }
    if (won) {
        finalMessage.text = "YOU WIN!!!";
    }
    if (gameOver) {
        finalMessage.text = "GAME OVER!!!";
    }

}

function render() {

}

};

Monica Djunaidi
Monica Djunaidi
4,202 Points

nevermind I got it. I didn't need to put the conditional statement in there. I only needed to change the + to -