74 lines
2.8 KiB
JavaScript
74 lines
2.8 KiB
JavaScript
//
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// shrinkEdible.js
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//
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// Created by Rebecca Stankus on 12/12/2018
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// Copyright High Fidelity 2018
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//
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// Licensed under the Apache 2.0 License
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// See accompanying license file or http://apache.org/
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//
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(function() {
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var SHRINK_SOUND = SoundCache.getSound(Script.resolvePath('assets/sounds/shrink.wav'));
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var CHECK_RADIUS = 0.25; // distance from head at which item is considered "eaten"
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var _this;
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var injector;
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function EdibleItem() {
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_this = this;
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}
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EdibleItem.prototype = {
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preload: function(entityID) {
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_this.entityID = entityID;
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},
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// Here, we will check the distance between the item and the user's head. If it is close enough (determined by
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// the CHECK_RADIUS value), we will delete the item, make the avatar shrink, and play the sound. We check
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// for both head and neck joints to cover some cases where an avatar may not have a "Head" joint, for
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// instance, Robimos.
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checkIfNearHead: function() {
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var position = Entities.getEntityProperties(_this.entityID, "position").position;
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var foodDistance = CHECK_RADIUS * MyAvatar.scale;
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if (Vec3.distance(position, MyAvatar.getJointPosition("Head")) < foodDistance ||
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Vec3.distance(position, MyAvatar.getJointPosition("Neck")) < foodDistance) {
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_this.playSound(SHRINK_SOUND, 0.1);
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MyAvatar.scale *= 0.9;
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Entities.deleteEntity(_this.entityID);
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}
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},
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// When the user grabs the item, we begin checking the distance betweenthe item and the user's head for HMD
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startNearGrab: function() {
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Script.update.connect(_this.checkIfNearHead);
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},
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// We also want to check if the item is grabbed in desktop via mouseclick
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startDistanceGrab: function() {
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Script.update.connect(_this.checkIfNearHead);
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},
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// When the user releases the item, we will stop checking the distance. This will cover both desktop and HMD
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releaseGrab: function() {
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Script.update.disconnect(_this.checkIfNearHead);
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},
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// Checks for a sound already playing and if one is found, stops it. Then it plays the new sound
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playSound: function(sound, volume) {
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if (sound.downloaded) {
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if (injector) {
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injector.stop();
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}
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injector = Audio.playSound(sound, {
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position: Entities.getEntityProperties(_this.entityID, 'position').position,
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volume: volume,
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localOnly: true
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});
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}
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}
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};
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return new EdibleItem();
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});
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