whs-cube-spheres/src/components/meshes/Ring.js

This plugin has a container with multiple spheres.

import {
  Mesh,
  RingGeometry,
  RingBufferGeometry
} from 'three';

import {MeshComponent} from '../../core/MeshComponent';

class Ring extends MeshComponent {
  static defaults = {
    ...MeshComponent.defaults,
    geometry: {
      innerRadius: 0,
      outerRadius: 50,
      thetaSegments: 8,
      phiSegments: 8,
      thetaStart: 0,
      thetaLength: Math.PI * 2
    }
  };

  static defaults = {
    ...MeshComponent.defaults,
    geometry: [
      'innerRadius',
      'outerRadius',
      'thetaSegments',
      'phiSegments',
      'thetaStart',
      'thetaLength'
    ]
  };

  constructor(params = {}) {
    super(params, Ring.defaults, Ring.instructions);

    if (params.build) {
      this.build(params);
      super.wrap();
    }
  }

  build(params = this.params) {
    const {geometry, material} = this.applyBridge({
      geometry: this.buildGeometry(params),
      material: params.material
    });

    return this.applyBridge({mesh: new Mesh(geometry, material)}).mesh;
  }

  buildGeometry(params = {}) {
    const GConstruct = params.buffer && !params.softbody ? RingBufferGeometry : RingGeometry;

    return new GConstruct(
      params.geometry.innerRadius,
      params.geometry.outerRadius,
      params.geometry.thetaSegments,
      params.geometry.phiSegments,
      params.geometry.thetaStart,
      params.geometry.thetaLength
    );
  }
}

export {
  Ring
};