UISingleImage

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import { Engine3D, Object3DUtil, Object3D, BitmapTexture2D, makeAloneSprite, WorldPanel, GPUCullMode, BillboardType, Scene3D, AtmosphericComponent, CameraUtil, HoverCameraController, View3D, DirectLight, KelvinUtil } from '@orillusion/core';
import { Stats } from '@orillusion/stats';
import dat from 'dat.gui';

class Sample_UISingleImage {
    scene: Scene3D;

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

        // 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 = 30;

        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);

        //create UI root
        let panelRoot: Object3D = new Object3D();
        panelRoot.scaleX = panelRoot.scaleY = panelRoot.scaleZ = 0.1;

        let bitmapTexture2D = new BitmapTexture2D();
        bitmapTexture2D.flipY = true;

        // enable ui canvas 0
        let canvas = view.enableUICanvas();

        await bitmapTexture2D.load('https://cdn.orillusion.com/images/webgpu.webp');

        let panel = panelRoot.addComponent(WorldPanel);
        panel.cullMode = GPUCullMode.none;

        let gui = new dat.GUI();
        let guifolder = gui.addFolder('GUI Panel');
        //cull mode
        let cullMode = {};
        cullMode[GPUCullMode.none] = GPUCullMode.none;
        cullMode[GPUCullMode.front] = GPUCullMode.front;
        cullMode[GPUCullMode.back] = GPUCullMode.back;

        // change cull mode by click dropdown box
        guifolder.add({ cullMode: GPUCullMode.none }, 'cullMode', cullMode).onChange((v) => {
            panel.cullMode = v;
        });

        //billboard
        let billboard = {};
        billboard['None'] = BillboardType.None;
        billboard['Y'] = BillboardType.BillboardY;
        billboard['XYZ'] = BillboardType.BillboardXYZ;

        // change billboard by click dropdown box
        guifolder.add({ billboard: panel.billboard }, 'billboard', billboard).onChange((v) => {
            panel.billboard = v;
        });

        //depth test
        if (panel['isWorldPanel']) {
            guifolder.add(panel, 'depthTest');
        }
        guifolder.open();

        canvas.addChild(panel.object3D);
        panel.sprite = makeAloneSprite('logo', bitmapTexture2D);
        panel.uiTransform.resize(400, 400);
        panel.visible = true;
    }
}

new Sample_UISingleImage().run();