mirror of https://github.com/CesiumGS/obj2gltf.git
47 lines
1.4 KiB
JavaScript
47 lines
1.4 KiB
JavaScript
//This file is a copy of https://github.com/AnalyticalGraphicsInc/cesium/blob/master/Specs/equals.js
|
|
/*eslint strict: ["error", "function"]*/
|
|
/*eslint-env amd*/
|
|
define([
|
|
'Cesium/Core/FeatureDetection'
|
|
], function(
|
|
FeatureDetection) {
|
|
'use strict';
|
|
/*global CanvasPixelArray*/
|
|
|
|
var typedArrayTypes = [];
|
|
|
|
// Earlier versions of IE do not support typed arrays
|
|
if (FeatureDetection.supportsTypedArrays()) {
|
|
typedArrayTypes.push(Int8Array, Uint8Array, Int16Array, Uint16Array, Int32Array, Uint32Array, Float32Array, Float64Array);
|
|
|
|
if (typeof Uint8ClampedArray !== 'undefined') {
|
|
typedArrayTypes.push(Uint8ClampedArray);
|
|
}
|
|
|
|
if (typeof CanvasPixelArray !== 'undefined') {
|
|
typedArrayTypes.push(CanvasPixelArray);
|
|
}
|
|
}
|
|
|
|
function isTypedArray(o) {
|
|
return typedArrayTypes.some(function(type) {
|
|
return o instanceof type;
|
|
});
|
|
}
|
|
|
|
function typedArrayToArray(array) {
|
|
if (array !== null && typeof array === 'object' && isTypedArray(array)) {
|
|
return Array.prototype.slice.call(array, 0);
|
|
}
|
|
return array;
|
|
}
|
|
|
|
function equals(util, customEqualiyTesters, a, b) {
|
|
a = typedArrayToArray(a);
|
|
b = typedArrayToArray(b);
|
|
return util.equals(a, b, customEqualiyTesters);
|
|
}
|
|
|
|
return equals;
|
|
});
|