cesiumDemo/Source/Scene/TileBoundingVolume.js

import DeveloperError from '../Core/DeveloperError.js';

    /**
     * Defines a bounding volume for a tile. This type describes an interface
     * and is not intended to be instantiated directly.
     *
     * @see TileBoundingRegion
     * @see TileBoundingSphere
     * @see TileOrientedBoundingBox
     *
     * @private
     */
    function TileBoundingVolume() {
    }

    /**
     * The underlying bounding volume.
     *
     * @memberof TileBoundingVolume.prototype
     *
     * @type {Object}
     * @readonly
     */
    TileBoundingVolume.prototype.boundingVolume = undefined;

    /**
     * The underlying bounding sphere.
     *
     * @memberof TileBoundingVolume.prototype
     *
     * @type {BoundingSphere}
     * @readonly
     */
    TileBoundingVolume.prototype.boundingSphere = undefined;

    /**
     * Calculates the distance between the tile and the camera.
     *
     * @param {FrameState} frameState The frame state.
     * @return {Number} The distance between the tile and the camera, in meters.
     *                  Returns 0.0 if the camera is inside the tile.
     */
    TileBoundingVolume.prototype.distanceToCamera = function(frameState) {
        DeveloperError.throwInstantiationError();
    };

    /**
     * Determines which side of a plane this volume is located.
     *
     * @param {Plane} plane The plane to test against.
     * @returns {Intersect} {@link Intersect.INSIDE} if the entire volume is on the side of the plane
     *                      the normal is pointing, {@link Intersect.OUTSIDE} if the entire volume is
     *                      on the opposite side, and {@link Intersect.INTERSECTING} if the volume
     *                      intersects the plane.
     */
    TileBoundingVolume.prototype.intersectPlane = function(plane) {
        DeveloperError.throwInstantiationError();
    };

    /**
     * Creates a debug primitive that shows the outline of the tile bounding
     * volume.
     *
     * @param {Color} color The desired color of the primitive's mesh
     * @return {Primitive}
     */
    TileBoundingVolume.prototype.createDebugVolume = function(color) {
        DeveloperError.throwInstantiationError();
    };
export default TileBoundingVolume;