88 lines
3.4 KiB
JavaScript
88 lines
3.4 KiB
JavaScript
//
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// ride.js
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//
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// created by Rebecca Stankus on 01/24/18
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// updated 12/26/18
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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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(function() {
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var _this;
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var AUDIO_VOLUME_LEVEL = 0.8;
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var TIMEOUT_MS = 100;
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var BOW_SOUND = SoundCache.getSound(Script.resolvePath("Assets/Sounds/bow.wav"));
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var BELL_SOUND = SoundCache.getSound(Script.resolvePath("Assets/Sounds/bell.wav"));
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var CRASH_SOUND = SoundCache.getSound(Script.resolvePath("Assets/Sounds/crash.wav"));
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var playing = false;
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var injector;
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var topCenter;
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var Ride = function() {
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_this = this;
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};
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Ride.prototype = {
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preload: function(entityID){
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_this.entityID = entityID;
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var properties = Entities.getEntityProperties(_this.entityID, ["position", "dimensions"]);
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var newY = (properties.dimensions.y * 0.5) + properties.position.y;
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topCenter = {x: properties.position.x, y:newY, z: properties.position.z};
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},
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// In HMD, listen for collisions and then calculate the distance between the point of collision and the top
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// center of the cymbal. If the collision occurred less than 0,1M from the center, play a bell sound. If it
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// occurred between 0.1M and 0.2M, play a bow sound. If the collision occurred more than 0.2M from the center,
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// play the crash sound. Collision type 0 is the start of a collision, whereas 1 would be the continuation
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// and 2 would be the end. The use of the variable "playing" with a timeout prevents the cymbal from being
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// played too quickly in succession.
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collisionWithEntity: function(thisEntity, otherEntity, collision) {
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if (collision.type === 0 && !playing) {
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if (Vec3.distance(collision.contactPoint, topCenter) < 0.1) {
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_this.playSound(BELL_SOUND);
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} else if (Vec3.distance(collision.contactPoint, topCenter) < 0.2) {
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_this.playSound(BOW_SOUND);
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} else {
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_this.playSound(CRASH_SOUND);
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}
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playing = true;
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Script.setTimeout(function() {
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playing = false;
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}, TIMEOUT_MS);
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}
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},
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// In desktop, listen for mouse clicks and then check that it was the left mouse button before playing the cymbal.
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// This will initiate the bow sound and a timeout as above.
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clickReleaseOnEntity: function(entityID, mouseEvent) {
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if (mouseEvent.isLeftButton && !playing) {
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_this.playSound(BOW_SOUND);
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playing = true;
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Script.setTimeout(function() {
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playing = false;
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}, TIMEOUT_MS);
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}
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},
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playSound: function(sound) {
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if (sound.downloaded) {
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injector = Audio.playSound(sound, {
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position: Entities.getEntityProperties(_this.entityID, ["position"]).position,
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volume: AUDIO_VOLUME_LEVEL
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});
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}
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},
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unload: function() {
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if (injector) {
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injector.stop();
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}
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}
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};
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return new Ride();
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});
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