89 lines
3.7 KiB
JavaScript
89 lines
3.7 KiB
JavaScript
//
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// edibleItem.js
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//
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// created by Rebecca Stankus on 11/13/18
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// Copyright 2018 High Fidelity, Inc.
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//
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// Distributed under the Apache License, Version 2.0.
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// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
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//
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// This client script will be on the candy cane and gingerbread man so that when a user the item and places it
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// near their head, the item will disappear and a crunch sound will be heard.
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(function() {
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var EAT_SOUND = SoundCache.getSound(Script.resolvePath('assets/sounds/eat.mp3'));
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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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// When this item collides with another entity (excluding collisions with the gun as it travels through
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// the barrel), we will set its velocity to 0 to stop it and set its dynamic property to false so it will
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// not fall or bounce around when bumped.
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collisionWithEntity: function(idA, idB, collision) {
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if (collision.type === 0) { // type 0 is the start of a collision. This prevents multiple calls
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var nameOfOtherEntity = Entities.getEntityProperties(idB, 'name').name;
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if (nameOfOtherEntity !== "Holiday App Gun") {
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Entities.editEntity(idA, {
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velocity: { x: 0, y: 0, z: 0 },
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dynamic: false
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});
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}
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}
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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 and play the "eating" sound. We check for both head and
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// neck joints to cover some cases where an avatar may not have a "Head" joint, for 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(EAT_SOUND, 0.1);
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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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