43 lines
1.0 KiB
JavaScript
43 lines
1.0 KiB
JavaScript
define([
|
|
'./freezeObject'
|
|
], function(
|
|
freezeObject) {
|
|
'use strict';
|
|
|
|
/**
|
|
* This enumerated type is used in determining to what extent an object, the occludee,
|
|
* is visible during horizon culling. An occluder may fully block an occludee, in which case
|
|
* it has no visibility, may partially block an occludee from view, or may not block it at all,
|
|
* leading to full visibility.
|
|
*
|
|
* @exports Visibility
|
|
*/
|
|
var Visibility = {
|
|
/**
|
|
* Represents that no part of an object is visible.
|
|
*
|
|
* @type {Number}
|
|
* @constant
|
|
*/
|
|
NONE : -1,
|
|
|
|
/**
|
|
* Represents that part, but not all, of an object is visible
|
|
*
|
|
* @type {Number}
|
|
* @constant
|
|
*/
|
|
PARTIAL : 0,
|
|
|
|
/**
|
|
* Represents that an object is visible in its entirety.
|
|
*
|
|
* @type {Number}
|
|
* @constant
|
|
*/
|
|
FULL : 1
|
|
};
|
|
|
|
return freezeObject(Visibility);
|
|
});
|