How would this work do you think?
import * as THREE from 'https://threejsfundamentals.org/threejs/resources/threejs/r113/build/three.module.js';
import {EffectComposer} from 'https://threejsfundamentals.org/threejs/resources/threejs/r113/examples/jsm/postprocessing/EffectComposer.js';
import {RenderPass} from 'https://threejsfundamentals.org/threejs/resources/threejs/r113/examples/jsm/postprocessing/RenderPass.js';
import {BloomPass} from 'https://threejsfundamentals.org/threejs/resources/threejs/r113/examples/jsm/postprocessing/BloomPass.js';
import {FilmPass} from 'https://threejsfundamentals.org/threejs/resources/threejs/r113/examples/jsm/postprocessing/FilmPass.js';
function main() {
const canvas = document.querySelector('#c');
const renderer = new THREE.WebGLRenderer({canvas});
const fov = 75;
const aspect = 2; // the canvas default
const near = 0.1;
const far = 5;
const camera = new THREE.PerspectiveCamera(fov, aspect, near, far);
camera.position.z = 2;
const scene = new THREE.Scene();
{
const color = 0xFFFFFF;
const intensity = 2;
const light = new THREE.DirectionalLight(color, intensity);
light.position.set(-1, 2, 4);
scene.add(light);
}
const boxWidth = 1;
const boxHeight = 1;
const boxDepth = 1;
const geometry = new THREE.BoxGeometry(boxWidth, boxHeight, boxDepth);
function makeInstance(geometry, color, x) {
const material = new THREE.MeshPhongMaterial({color});
const cube = new THREE.Mesh(geometry, material);
scene.add(cube);
cube.position.x = x;
return cube;
}
const cubes = [
makeInstance(geometry, 0x44aa88, 0),
makeInstance(geometry, 0x8844aa, -2),
makeInstance(geometry, 0xaa8844, 2),
];
const composer = new EffectComposer(renderer);
composer.addPass(new RenderPass(scene, camera));
const bloomPass = new BloomPass(
1, // strength
25, // kernel size
4, // sigma ?
256, // blur render target resolution
);
composer.addPass(bloomPass);
const filmPass = new FilmPass(
0.35, // noise intensity
0.025, // scanline intensity
648, // scanline count
false, // grayscale
);
filmPass.renderToScreen = true;
composer.addPass(filmPass);
function resizeRendererToDisplaySize(renderer) {
const canvas = renderer.domElement;
const width = canvas.clientWidth;
const height = canvas.clientHeight;
const needResize = canvas.width !== width || canvas.height !== height;
if (needResize) {
renderer.setSize(width, height, false);
}
return needResize;
}
let then = 0;
function render(now) {
now *= 0.001; // convert to seconds
const deltaTime = now - then;
then = now;
if (resizeRendererToDisplaySize(renderer)) {
const canvas = renderer.domElement;
camera.aspect = canvas.clientWidth / canvas.clientHeight;
camera.updateProjectionMatrix();
composer.setSize(canvas.width, canvas.height);
}
cubes.forEach((cube, ndx) => {
const speed = 1 + ndx * .1;
const rot = now * speed;
cube.rotation.x = rot;
cube.rotation.y = rot;
});
composer.render(deltaTime);
requestAnimationFrame(render);
}
requestAnimationFrame(render);
}
main();