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@ryuvitoshi/roundedcurve

v1.0.0

Published

A Three.js plugin that implements rounded curves.

Downloads

10

Readme

RoundedCurve for Three.js

@ryuvitoshi/roundedcurve on npm

A Three.js plugin that implements rounded curves.

readme-img

How to Use

from HTML

You can import all needed modules via CDN. Code example:

<script type="importmap">
  {
    "imports": {
      "three": "https://cdn.jsdelivr.net/npm/[email protected]/build/three.module.js",
      "three/addons/": "https://cdn.jsdelivr.net/npm/[email protected]/examples/jsm/",
      "@ryuvitoshi/roundedcurve": "https://esm.sh/@ryuvitoshi/[email protected]"
    }
  }
</script>

<script type="module">
  import * as THREE from 'three';
  import { RoundedCurve } from '@ryuvitoshi/roundedcurve';

  const scene = new THREE.Scene();

  const path = [
    new THREE.Vector3(  3,  0, -3 ),
    new THREE.Vector3(  3,  0,  3 ),
    new THREE.Vector3( -3,  0,  3 ),
    new THREE.Vector3( -3,  0, -3 ),
    new THREE.Vector3( -3,  6, -3 ),
    new THREE.Vector3(  3,  6, -3 )
  ];
  
  /* arguments are:
    - points ( array of points | [THREE.Vector3] )
    - closed ( is curve closed or not | bool )
    - radius ( the radius of rounding | float )
  */
  const curve = new RoundedCurve( path, true, 1.2 );
  const segments = Math.ceil( curve.getLength() * 100 );

  const material = new THREE.MeshStandardMaterial( { color: 0xCE2718 } );
  const geometry = new THREE.TubeGeometry( curve, segments, 0.3, 12, false );
  const mesh = new THREE.Mesh( geometry, material );
  scene.add( mesh );

  function animate() {
    requestAnimationFrame( animate );
    renderer.render( scene, camera );
  }
  animate();
</script>

via npm

Install three and @ryuvitoshi/roundedcurve :

npm install three @ryuvitoshi/roundedcurve

Code example:

import * as THREE from 'three';
import { RoundedCurve } from '@ryuvitoshi/roundedcurve';

const scene = new THREE.Scene();

const path = [
  new THREE.Vector3(  3,   0,  -3 ),
  new THREE.Vector3(  3,   0,   3 ),
  new THREE.Vector3( -3,   0,   3 ),
  new THREE.Vector3( -3,   0,  -3 ),
  new THREE.Vector3( -3,   6,  -3 ),
  new THREE.Vector3(  3,   6,  -3 )
];

/* arguments are:
  - points ( array of points | [THREE.Vector3] )
  - closed ( is curve closed or not | bool )
  - radius ( the radius of rounding | float )
*/
const curve = new RoundedCurve( path, true, 1.2 );
const segments = Math.ceil( curve.getLength() * 100 );

const material = new THREE.MeshStandardMaterial( { color: 0xCE2718 } );
const geometry = new THREE.TubeGeometry( curve, segments, 0.3, 12, false );
const mesh = new THREE.Mesh( geometry, material );
scene.add( mesh );

function animate() {
  requestAnimationFrame( animate );
  renderer.render( scene, camera );
}
animate();

Demo

Demo

readme-img-demo

License

MIT