Camera World Points and Hit Testing

// var graphics;
class Example extends Phaser.Scene
{
    constructor ()
    {
        super();
        this.hitShape = null;
    }

    preload ()
    {
        this.load.setBaseURL('https://cdn.phaserfiles.com/v410');
        this.load.image('eye', 'assets/pics/lance-overdose-loader-eye.png');
        this.sprites = [];
    }

    create ()
    {
        this.graphics = this.add.graphics();

        this.bounds = new Phaser.Geom.Rectangle(0, 0, 1600, 1200);
        this.rect1 = new Phaser.Geom.Rectangle(200, 200, 600, 100);
        this.rect2 = new Phaser.Geom.Rectangle(1010, 800, 60, 300);
        this.circle1 = new Phaser.Geom.Circle(1200, 200, 160);
        this.circle2 = new Phaser.Geom.Circle(400, 900, 80);
        this.triangle1 = new Phaser.Geom.Triangle.BuildEquilateral(800, 500, 200);

        this.drawScene();
        for (let i = 0; i < 32; i++)
        {
            let x = Phaser.Math.Between(this.bounds.left, this.bounds.right);
            let y = Phaser.Math.Between(this.bounds.top, this.bounds.bottom);

            this.sprites.push(this.add.sprite(x, y, 'eye').setInteractive());
        }

        this.input.on('gameobjectover', function (pointer, gameObject) {
            gameObject.setTint(0xff0000);
        });

        this.input.on('gameobjectout', function (pointer, gameObject) {
            gameObject.clearTint();
        });

        this.input.on('pointermove', function (pointer) {
            const p = this.cameras.main.getWorldPoint(pointer.x, pointer.y);

            const px = p.x;
            const py = p.y;

            this.hitShape = null;

            if (this.rect1.contains(px, py))
            {
                this.hitShape = this.rect1;
            }
            else if (this.rect2.contains(px, py))
            {
                this.hitShape = this.rect2;
            }
            else if (this.circle1.contains(px, py))
            {
                this.hitShape = this.circle1;
            }
            else if (this.circle2.contains(px, py))
            {
                this.hitShape = this.circle2;
            }
            else if (this.triangle1.contains(px, py))
            {
                this.hitShape = this.triangle1;
            }

            this.drawScene();

        }, this);

        const cursors = this.input.keyboard.createCursorKeys();
        const controlConfig = {
            camera: this.cameras.main,
            left: cursors.left,
            right: cursors.right,
            up: cursors.up,
            down: cursors.down,
            zoomIn: this.input.keyboard.addKey(Phaser.Input.Keyboard.KeyCodes.Q),
            zoomOut: this.input.keyboard.addKey(Phaser.Input.Keyboard.KeyCodes.E),
            acceleration: 0.06,
            drag: 0.0005,
            maxSpeed: 1.0
        };

        this.controls = new Phaser.Cameras.Controls.SmoothedKeyControl(controlConfig);
        this.input.keyboard.on('keydown_Z', function (event) {
            this.cameras.main.rotation += 0.01;
        }, this);

        this.input.keyboard.on('keydown_X', function (event) {
            this.cameras.main.rotation -= 0.01;
        }, this);

        const cam = this.cameras.main;
        this.gui = new dat.GUI();

        const p1 = this.gui.addFolder('Pointer');
        p1.add(this.input, 'x').listen();
        p1.add(this.input, 'y').listen();
        p1.open();

        const help = {
            line1: 'Cursors to move',
            line2: 'Q & E to zoom',
            line3: 'Z & X to rotate',
        }

        const f1 = this.gui.addFolder('Camera');
        f1.add(cam, 'x').listen();
        f1.add(cam, 'y').listen();
        f1.add(cam, 'scrollX').listen();
        f1.add(cam, 'scrollY').listen();
        f1.add(cam, 'rotation').min(0).step(0.01).listen();
        f1.add(cam, 'zoom', 0.1, 2).step(0.1).listen();
        f1.add(help, 'line1');
        f1.add(help, 'line2');
        f1.add(help, 'line3');
        f1.open();
    }

    update (time, delta)
    {
        this.controls.update(delta);
        this.sprites.forEach(function(sprite, i) {
            sprite.rotation += (i % 2) ? 0.005 : -0.005;
        });
    }

    drawScene ()
    {
        this.graphics.clear();

        //  camera marker
        this.graphics.lineStyle(1, 0x00ff00);
        this.graphics.strokeRectShape(this.bounds);
        this.graphics.lineBetween(0, 0, 1600, 1200);
        this.graphics.lineBetween(1600, 0, 0, 1200);

        //  shapes
        if (this.hitShape === this.rect1)
        {
            this.graphics.fillStyle(0xff0000);
            this.graphics.fillRectShape(this.rect1);
        }
        else
        {
            this.graphics.fillStyle(0xffff00);
            this.graphics.fillRectShape(this.rect1);
        }

        if (this.hitShape === this.rect2)
        {
            this.graphics.fillStyle(0xff0000);
            this.graphics.fillRectShape(this.rect2);
        }
        else
        {
            this.graphics.fillStyle(0xffff00);
            this.graphics.fillRectShape(this.rect2);
        }

        if (this.hitShape === this.circle1)
        {
            this.graphics.fillStyle(0xff0000);
            this.graphics.fillCircleShape(this.circle1);
        }
        else
        {
            this.graphics.fillStyle(0xffff00);
            this.graphics.fillCircleShape(this.circle1);
        }

        if (this.hitShape === this.circle2)
        {
            this.graphics.fillStyle(0xff0000);
            this.graphics.fillCircleShape(this.circle2);
        }
        else
        {
            this.graphics.fillStyle(0xffff00);
            this.graphics.fillCircleShape(this.circle2);
        }

        if (this.hitShape === this.triangle1)
        {
            this.graphics.fillStyle(0xff0000);
            this.graphics.fillTriangleShape(this.triangle1);
        }
        else
        {
            this.graphics.fillStyle(0xffff00);
            this.graphics.fillTriangleShape(this.triangle1);
        }
    }

}

const config = {
    scale: { mode: Phaser.Scale.FIT },
    type: Phaser.WEBGL,
    parent: 'game-container',
    width: 800,
    height: 600,
    backgroundColor: '#000000',
    scene: Example
};

const game = new Phaser.Game(config);