UIMultiCanvas

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import { Engine3D, Object3DUtil, Object3D, UIImage, ImageType, Color, UIPanel, ViewPanel, Scene3D, Vector2, UITextField, UIShadow, AtmosphericComponent, CameraUtil, HoverCameraController, View3D, DirectLight, KelvinUtil } from '@orillusion/core';
import { Stats } from '@orillusion/stats';

class Sample_UIMultiCanvas {
    scene: Scene3D;

    async run() {
        Engine3D.setting.shadow.autoUpdate = true;

        await Engine3D.init();
        await Engine3D.res.loadFont('https://cdn.orillusion.com/fnt/0.fnt');

        // init Scene3D
        this.scene = new Scene3D();
        this.scene.exposure = 1;
        this.scene.addComponent(Stats);

        // init sky
        let atmosphericSky: AtmosphericComponent;
        atmosphericSky = this.scene.addComponent(AtmosphericComponent);

        // init Camera3D
        let camera = CameraUtil.createCamera3DObject(this.scene);
        camera.perspective(60, Engine3D.aspect, 1, 5000);

        // init Camera Controller
        let hoverCtrl = camera.object3D.addComponent(HoverCameraController);
        hoverCtrl.setCamera(-30, -15, 100);

        // init View3D
        let view = new View3D();
        view.scene = this.scene;
        view.camera = camera;

        // create direction light
        let lightObj3D = new Object3D();
        lightObj3D.x = 0;
        lightObj3D.y = 30;
        lightObj3D.z = -40;
        lightObj3D.rotationX = 20;
        lightObj3D.rotationY = 160;
        lightObj3D.rotationZ = 0;

        let light = lightObj3D.addComponent(DirectLight);
        light.lightColor = KelvinUtil.color_temperature_to_rgb(5355);
        light.castShadow = true;
        light.intensity = 3;

        this.scene.addChild(light.object3D);

        // relative light to sky
        atmosphericSky.relativeTransform = light.transform;

        Engine3D.startRenderView(view);

        // create floor
        let floor = Object3DUtil.GetSingleCube(100, 2, 50, 0.5, 0.5, 0.5);
        this.scene.addChild(floor);
        floor.y = -40;

        let total: number = 4;
        for (let i = 0; i < total; i++) {
            let size: Vector2 = new Vector2();
            size.x = 500 - i * 100;
            size.y = 400 - i * 100;
            this.createPanel(this.scene, i, size);
        }
    }

    private createPanel(scene: Scene3D, index: number, size: Vector2): UIPanel {
        let panelRoot: Object3D = new Object3D();
        // enable ui canvas at index
        let canvas = scene.view.enableUICanvas(index);
        let panel = panelRoot.addComponent(ViewPanel);
        canvas.addChild(panel.object3D);
        // create image
        let obj3D = new Object3D();
        panelRoot.addChild(obj3D);
        let image = obj3D.addComponent(UIImage);
        image.isShadowless = true;
        image.imageType = ImageType.Sliced;
        image.uiTransform.resize(size.x, size.y);
        image.color = Color.random();

        //text
        let text = obj3D.addComponent(UITextField);
        text.text = 'Canvas index: ' + index;
        text.fontSize = 24;

        //shadow
        let shadow = obj3D.addComponent(UIShadow);
        shadow.shadowOffset.multiplyScaler(0.4);
        return panel;
    }
}

new Sample_UIMultiCanvas().run();