threepipe/examples/frame-fade-plugin/script.js

A 3D viewer framework built on top of three.js in TypeScript with a focus on quality rendering, modularity and extensibility.

import { _testFinish, BoxGeometry, FrameFadePlugin, LoadingScreenPlugin, Mesh, PhysicalMaterial, ThreeViewer, } from 'threepipe';
import { createSimpleButtons } from '../examples-utils/simple-bottom-buttons.js';
async function init() {
    const viewer = new ThreeViewer({
        canvas: document.getElementById('mcanvas'),
        renderScale: 'auto',
        plugins: [LoadingScreenPlugin],
    });
    viewer.addPluginSync(FrameFadePlugin);
    await viewer.setEnvironmentMap('https://threejs.org/examples/textures/equirectangular/venice_sunset_1k.hdr');
    const cube = viewer.scene.addObject(new Mesh(new BoxGeometry(1, 1, 1), new PhysicalMaterial({ color: 0xff0000 })));
    createSimpleButtons({
        ['Change Color']: () => {
            cube.material.color.setHSL(Math.random(), 1, 0.5);
            cube.material.setDirty(); // this will trigger frame fade
        },
        ['Change Size']: () => {
            cube.scale.setScalar(Math.random() * 1.5 + 0.5);
            cube.setDirty({ fadeDuration: 1000 }); // duration can be controlled by an option like this.
        },
        ['Change Color (no fade)']: () => {
            cube.material.color.setHSL(Math.random(), 1, 0.5);
            cube.material.setDirty({ frameFade: false }); // disable frame fade for this update but re-render the scene.
        },
    });
}
init().finally(_testFinish);