Single Small Camera

var scroller;
class Example extends Phaser.Scene
{
    constructor ()
    {
        super();
    }

    preload ()
    {
        this.load.setBaseURL('https://cdn.phaserfiles.com/v355');
        this.load.image('pic', 'assets/pics/skull-and-bones.jpg');
        this.load.image('vulkaiser', 'assets/pics/vulkaiser-red.png');
        this.load.image('mushroom', 'assets/sprites/mushroom2.png');
    }

    create ()
    {
        //  In the middle
        this.add.image(400, 300, 'pic');

        //  Why isn't this cropped?
        scroller = this.add.image(400, 300, 'vulkaiser').setScale(4).setAlpha(0.3);

        //  In the corners
        this.add.image(0, 0, 'mushroom').setOrigin(0, 0);
        this.add.image(800, 0, 'mushroom').setOrigin(1, 0);
        this.add.image(0, 600, 'mushroom').setOrigin(0, 1);
        this.add.image(800, 600, 'mushroom').setOrigin(1, 1);

        const cam = this.cameras.main;

        //  Test 1 - Change the x/y and keep w/h the same and the scene is cropped properly. The x/y appear to offset from the top left.
        // cam.setViewport(0, 0, 800, 600);

        //  Test 2 - Combine Test 1 with 'zoom' and the scene is no longer cropped and the viewport size is scaled wrong
        // cam.zoom = 0.5;

        //  Test 3 - Try half zoom and a half viewport size together - appears broken, image still pops out of the top, placement seems wrong
        cam.setViewport(300, 100, 400, 300);
        cam.zoom = 0.5;
        cam.scrollX = 200;
        cam.scrollY = 150;

        //  Test 4 - Change position as if zoom is applied to the camera center, but keep original w/h
        //  Seems to place the camera in the correct position, but scaled items appear outside of the viewport (because scissor width = 800x600)
        // cam.setViewport(-200, -150, 800, 600);
        // cam.zoom = 0.5;

        //  Test 5 - Change position and viewport with zoom. Gets scissored properly but scale is all wrong (half size it should be) and weirdly offset.
        // cam.setViewport(-200, -150, 400, 300);
        // cam.zoom = 0.5;
    }
}

const config = {
    type: Phaser.WEBGL,
    parent: 'phaser-example',
    width: 800,
    height: 600,
    backgroundColor: '#2d2d2d',
    scene: [ Example ]
};

const game = new Phaser.Game(config);
                        

                                                                                                       Copy
                            
                                
                                    
                                Expand