/
Visibility.js
41 lines (39 loc) · 1.14 KB
/
Visibility.js
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/*global define*/
define(['./Enumeration'], function(Enumeration) {
"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 {Enumeration}
* @constant
* @default -1
*/
NONE : new Enumeration(-1, 'NONE'),
/**
* Represents that part, but not all, of an object is visible
*
* @type {Enumeration}
* @constant
* @default 0
*/
PARTIAL : new Enumeration(0, 'PARTIAL'),
/**
* Represents that an object is visible in its entirety.
*
* @type {Enumeration}
* @constant
* @default 1
*/
FULL : new Enumeration(1, 'FULL')
};
return Visibility;
});