trois/src/geometries/CylinderGeometry.js

import { defineComponent } from 'vue';
import { CylinderGeometry } from 'three';
import Geometry from './Geometry.js';

export const props = {
  radiusTop: { type: Number, default: 1 },
  radiusBottom: { type: Number, default: 1 },
  height: { type: Number, default: 1 },
  radialSegments: { type: Number, default: 8 },
  heightSegments: { type: Number, default: 1 },
  openEnded: { type: Boolean, default: false },
  thetaStart: { type: Number, default: 0 },
  thetaLength: { type: Number, default: Math.PI * 2 },
};

export function createGeometry(comp) {
  return new CylinderGeometry(comp.radiusTop, comp.radiusBottom, comp.height, comp.radialSegments, comp.heightSegments, comp.openEnded, comp.thetaStart, comp.thetaLength);
};

export default defineComponent({
  extends: Geometry,
  props,
  methods: {
    createGeometry() {
      this.geometry = createGeometry(this);
    },
  },
});