content/hifi-content/jedon/Assets/utils.js
2022-02-13 23:57:50 +01:00

111 lines
No EOL
2 KiB
JavaScript

//
// Created by Ryan Huffman on 1/10/2017
// Copyright 2017 High Fidelity, Inc.
// Edited: Je'Don Carter
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
/* globals utils:true */
if (!Function.prototype.bind) {
Function.prototype.bind = function(oThis) {
if (typeof this !== 'function') {
// closest thing possible to the ECMAScript 5
// internal IsCallable function
throw new TypeError('Function.prototype.bind - what is trying to be bound is not callable');
}
var aArgs = Array.prototype.slice.call(arguments, 1),
fToBind = this,
NOP = function() {},
fBound = function() {
return fToBind.apply(this instanceof NOP
? this
: oThis,
aArgs.concat(Array.prototype.slice.call(arguments)));
};
if (this.prototype) {
// Function.prototype doesn't have a prototype property
NOP.prototype = this.prototype;
}
fBound.prototype = new NOP();
return fBound;
};
}
utils = {
parseJSON: function(json) {
try {
return JSON.parse(json);
} catch (e) {
return undefined;
}
},
findInFrontOfPlayer: function(pos) {
// this part of the code describes how to center the entity in front of your avatar when it is created.
var orientation = MyAvatar.orientation;
orientation = Quat.safeEulerAngles(orientation);
orientation.x = 0;
orientation = Quat.fromVec3Degrees(orientation);
var center = Vec3.sum(MyAvatar.getHeadPosition(), Vec3.multiply(2, Quat.getForward(orientation)));
return center
}
};