src/component/shape-component.js

/**
 * @file Shape Component
 * @author Alexander Rose <alexander.rose@weirdbyte.de>
 * @private
 */

import { ComponentRegistry } from '../globals.js'
import { defaults } from '../utils.js'
import Component from './component.js'

/**
 * Component wrapping a {@link Shape} object
 *
 * @example
 * // get a shape component by adding a shape object to the stage
 * var shape = new NGL.Shape( "shape" );
 * shape.addSphere( [ 0, 0, 0 ], [ 1, 0, 0 ], 1.5 );
 * var shapeComponent = stage.addComponentFromObject( shape );
 * shapeComponent.addRepresentation( "buffer" );
 */
class ShapeComponent extends Component {
    /**
     * @param {Stage} stage - stage object the component belongs to
     * @param {Shape} shape - shape object to wrap
     * @param {ComponentParameters} params - component parameters
     */
  constructor (stage, shape, params) {
    var p = params || {}
    p.name = defaults(p.name, shape.name)

    super(stage, p)

    this.shape = shape
  }

    /**
     * Component type
     * @type {String}
     */
  get type () { return 'shape' }

    /**
     * Add a new shape representation to the component
     * @param {String} type - the name of the representation, one of:
     *                        buffer.
     * @param {BufferRepresentationParameters} params - representation parameters
     * @return {RepresentationComponent} the created representation wrapped into
     *                                   a representation component object
     */
  addRepresentation (type, params) {
    return super.addRepresentation(type, this.shape, params)
  }

  getBoxUntransformed () {
    return this.shape.boundingBox
  }

  getCenterUntransformed () {
    return this.shape.center
  }

  dispose () {
    this.shape.dispose()
    super.dispose()
  }
}

ComponentRegistry.add('shape', ShapeComponent)

export default ShapeComponent