Basic Platform

class Example extends Phaser.Scene
{
    movingPlatform;
    cursors;
    platforms;
    stars;
    player;

    preload ()
    {
        this.load.setBaseURL('https://cdn.phaserfiles.com/v385');
        this.load.image('sky', 'src/games/firstgame/assets/sky.png');
        this.load.image('ground', 'src/games/firstgame/assets/platform.png');
        this.load.image('star', 'src/games/firstgame/assets/star.png');
        this.load.spritesheet('dude', 'src/games/firstgame/assets/dude.png', { frameWidth: 32, frameHeight: 48 });
    }

    create ()
    {
        this.add.image(400, 300, 'sky');

        this.platforms = this.physics.add.staticGroup();

        this.platforms.create(400, 568, 'ground').setScale(2).refreshBody();

        // platforms.create(600, 400, 'ground');
        // platforms.create(50, 250, 'ground');
        // platforms.create(750, 220, 'ground');

        this.movingPlatform = this.physics.add.image(400, 400, 'ground');

        this.movingPlatform.setImmovable(true);
        this.movingPlatform.body.allowGravity = false;
        this.movingPlatform.setVelocityX(50);

        this.player = this.physics.add.sprite(100, 450, 'dude');

        this.player.setBounce(0.2);
        this.player.setCollideWorldBounds(true);

        this.anims.create({
            key: 'left',
            frames: this.anims.generateFrameNumbers('dude', { start: 0, end: 3 }),
            frameRate: 10,
            repeat: -1
        });

        this.anims.create({
            key: 'turn',
            frames: [ { key: 'dude', frame: 4 } ],
            frameRate: 20
        });

        this.anims.create({
            key: 'right',
            frames: this.anims.generateFrameNumbers('dude', { start: 5, end: 8 }),
            frameRate: 10,
            repeat: -1
        });

        this.cursors = this.input.keyboard.createCursorKeys();

        this.stars = this.physics.add.group({
            key: 'star',
            repeat: 11,
            setXY: { x: 12, y: 0, stepX: 70 }
        });

        for (const star of this.stars.getChildren())
        {
            star.setBounceY(Phaser.Math.FloatBetween(0.4, 0.8));
        }

        this.physics.add.collider(this.player, this.platforms);
        this.physics.add.collider(this.player, this.movingPlatform);
        this.physics.add.collider(this.stars, this.platforms);
        this.physics.add.collider(this.stars, this.movingPlatform);

        this.physics.add.overlap(this.player, this.stars, this.collectStar, null, this);
    }

    update ()
    {
        const { left, right, up } = this.cursors;

        if (left.isDown)
        {
            this.player.setVelocityX(-160);

            this.player.anims.play('left', true);
        }
        else if (right.isDown)
        {
            this.player.setVelocityX(160);

            this.player.anims.play('right', true);
        }
        else
        {
            this.player.setVelocityX(0);

            this.player.anims.play('turn');
        }

        if (up.isDown && this.player.body.touching.down)
        {
            this.player.setVelocityY(-330);
        }

        if (this.movingPlatform.x >= 500)
        {
            this.movingPlatform.setVelocityX(-50);
        }
        else if (this.movingPlatform.x <= 300)
        {
            this.movingPlatform.setVelocityX(50);
        }
    }

    collectStar (player, star)
    {
        star.disableBody(true, true);
    }
}

const config = {
    type: Phaser.AUTO,
    width: 800,
    height: 600,
    parent: 'phaser-example',
    physics: {
        default: 'arcade',
        arcade: {
            gravity: { y: 300 },
            debug: false
        }
    },
    scene: Example
};

const game = new Phaser.Game(config);
                        

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