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JavaScript Introducing JavaScript Let's Make a Game Modifying Values

Haralambos Tsivikas
Haralambos Tsivikas
7,225 Points

I have done before this exercise... I want to proceed to the next step!!!

I have finished this exercise... I want to proceed to the next step

game.js
let game;
let player;
let platforms;
let badges;
let coins;
let cursors;
let jumpButton;
let text;
let winningMessage;
let won = false;
let currentScore = 0;
const winningScore = 100;

function createCoins() {
    coins = game.add.physicsGroup();

    coinCreate(375, 100, 'coin');

}

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

    platforms.create(200, 100, 'platform');
    platforms.create(400, 450, 'platform');
    platforms.create(100, 450, 'platform');


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

function createBadge() {
    badges = game.add.physicsGroup();

    const badge = badges.create(550, 450, 'badge');
    badge.animations.add('spin');
    badge.animations.play('spin', 10, true);
}

function coinCreate(left, top, coinImage) {
    const coin = coins.create(left, top, coinImage);
    coin.animations.add('spin');
    coin.animations.play('spin', 10, true);
}

function collectHandler(player, coin) {
    coin.kill();
    currentScore = currentScore + 10;
    if (currentScore === winningScore) {
        createBadge();
    }
}

function collectBadgeHandler(player, badge) {
    badge.kill();
    won = 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 = '#5db1ad';
        //Load images
        game.load.image('platform', 'platform_1.png');
        game.load.image('platform2', 'platform_2.png');
        //Load spritesheets
        game.load.spritesheet('player', 'chalkers.png', 48, 62);
        game.load.spritesheet('coin', 'coin.png', 36, 44);
        game.load.spritesheet('badge', 'badge.png', 42, 54);
    }

    function create() {

        player = game.add.sprite(50, 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;

        createCoins();
        createPlatforms();

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

        text = game.add.text(16, 16, "SCORE: " + currentScore, { font: "Press Start 2P", fontSize: 18, fill: "white" });
        winningMessage = game.add.text(game.world.centerX, 250, "", { font: "Press Start 2P", fontSize:"48px", fill: "white" });
        winningMessage.anchor.setTo(0.5, 1);

    }

    function update() {
        text.text = "SCORE: " + currentScore;
        game.physics.arcade.collide(player, platforms);
        game.physics.arcade.overlap(player, coins, collectHandler);
        game.physics.arcade.overlap(player, badges, collectBadgeHandler);

        player.body.velocity.x = 0;

        if (cursors.left.isDown) {
            player.animations.play('walk', 10, true);
            player.body.velocity.x = -300;
            player.scale.x = - 1;
        }
        else if (cursors.right.isDown) {
            player.animations.play('walk', 10, true);
            player.body.velocity.x = 300;
            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) {
            winningMessage.text = "YOU WIN!!!";
        }

    }

    function render() {

    }

};

1 Answer

Steven Parker
Steven Parker
231,236 Points

The instructions say your changes on line 24 will be "making the new coordinates (300, 200)".

But in this code they have been set to (200, 100) instead.