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Interactive 4d rotation at last

feature-big-polytopes
Mike Lynch 2023-07-24 13:57:51 +10:00
parent 6b96d2b519
commit d09dca808f
1 changed files with 20 additions and 11 deletions
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31
main.js
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@ -2,7 +2,6 @@ import * as THREE from 'three';
import * as SHAPES from './shapes.js';
import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
const NODE_SIZE = 0.07;
const LINK_SIZE = 0.03;
@ -200,11 +199,6 @@ renderer.setSize( window.innerWidth, window.innerHeight );
document.body.appendChild( renderer.domElement );
const controls = new OrbitControls( camera, renderer.domElement );
controls.target.set( 0, 0, 0 );
controls.update();
controls.enablePan = false;
controls.enableDamping = true;
const node_m = new THREE.MeshStandardMaterial(
@ -236,10 +230,28 @@ const shape = new FourDShape(node_m, link_m, struct);
scene.add(shape);
camera.position.z = 4;
let theta = 0;
let psi = 0;
let startX = 0;
let startY = 0;
renderer.domElement.addEventListener("mousedown", (event) => {
if( event.buttons === 1 ) {
startX = event.clientX;
startY = event.clientY;
}
})
renderer.domElement.addEventListener("mousemove", (event) => {
if( event.buttons === 1 ) {
theta = (event.clientX - startX) * 0.01;
psi = (event.clientY - startY) * 0.01;
}
})
@ -248,12 +260,9 @@ const rotation = new THREE.Matrix4();
function animate() {
requestAnimationFrame( animate );
theta += 0.01;
const rotations = [rotYZ(theta * 0.33), rotXW(theta * 0.5)];
const rotations = [rotYZ(theta), rotXW(psi)];
shape.render3(rotations);
renderer.render( scene, camera );
}
animate();