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added back original light controller script
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Eric Levin
parent
c0e7cd1f6a
commit
396325629e
1 changed files with 228 additions and 0 deletions
228
examples/entityScripts/lightController.js
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228
examples/entityScripts/lightController.js
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(function() {
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this.entityID = null;
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this.lightID = null;
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this.sound = null;
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this.soundURLs = ["https://hifi-public.s3.amazonaws.com/sounds/Switches%20and%20sliders/lamp_switch_1.wav",
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"https://hifi-public.s3.amazonaws.com/sounds/Switches%20and%20sliders/lamp_switch_2.wav",
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"https://hifi-public.s3.amazonaws.com/sounds/Switches%20and%20sliders/lamp_switch_3.wav"]
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var DEFAULT_USER_DATA = {
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creatingLight: false,
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lightID: null,
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lightDefaultProperties: {
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type: "Light",
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position: { x: 0, y: 0, z: 0 },
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dimensions: { x: 5, y: 5, z: 5 },
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isSpotlight: false,
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color: { red: 255, green: 48, blue: 0 },
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diffuseColor: { red: 255, green: 255, blue: 255 },
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ambientColor: { red: 255, green: 255, blue: 255 },
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specularColor: { red: 0, green: 0, blue: 0 },
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constantAttenuation: 1,
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linearAttenuation: 0,
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quadraticAttenuation: 0,
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intensity: 10,
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exponent: 0,
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cutoff: 180, // in degrees
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},
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soundIndex: Math.floor(Math.random() * this.soundURLs.length)
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};
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function copyObject(object) {
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return JSON.parse(JSON.stringify(object));
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}
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function didEntityExist(entityID) {
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return entityID && entityID.isKnownID;
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}
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function doesEntityExistNow(entityID) {
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return entityID && getTrueID(entityID).isKnownID;
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}
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function getTrueID(entityID) {
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var properties = Entities.getEntityProperties(entityID);
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return { id: properties.id, creatorTokenID: properties.creatorTokenID, isKnownID: properties.isKnownID };
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}
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function getUserData(entityID) {
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var properties = Entities.getEntityProperties(entityID);
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if (properties.userData) {
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return JSON.parse(properties.userData);
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} else {
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print("Warning: light controller has no user data.");
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return null;
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}
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}
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function updateUserData(entityID, userData) {
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Entities.editEntity(entityID, { userData: JSON.stringify(userData) });
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}
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// Download sound if needed
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this.maybeDownloadSound = function() {
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if (this.sound === null) {
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var soundIndex = getUserData(this.entityID).soundIndex;
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this.sound = SoundCache.getSound(this.soundURLs[soundIndex]);
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}
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}
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// Play switch sound
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this.playSound = function() {
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if (this.sound && this.sound.downloaded) {
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Audio.playSound(this.sound, {
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position: Entities.getEntityProperties(this.entityID).position,
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volume: 0.2
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});
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} else {
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print("Warning: Couldn't play sound.");
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}
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}
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// Checks whether the userData is well-formed and updates it if not
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this.checkUserData = function() {
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var userData = getUserData(this.entityID);
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if (!userData) {
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userData = DEFAULT_USER_DATA;
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} else if (!userData.lightDefaultProperties) {
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userData.lightDefaultProperties = DEFAULT_USER_DATA.lightDefaultProperties;
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} else if (!userData.soundIndex) {
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userData.soundIndex = DEFAULT_USER_DATA.soundIndex;
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}
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updateUserData(this.entityID, userData);
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}
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// Create a Light entity
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this.createLight = function(userData) {
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var lightProperties = copyObject(userData.lightDefaultProperties);
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if (lightProperties) {
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var entityProperties = Entities.getEntityProperties(this.entityID);
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lightProperties.visible = false;
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lightProperties.position = Vec3.sum(entityProperties.position,
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Vec3.multiplyQbyV(entityProperties.rotation,
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lightProperties.position));
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return Entities.addEntity(lightProperties);
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} else {
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print("Warning: light controller has no default light.");
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return null;
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}
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}
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// Tries to find a valid light, creates one otherwise
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this.updateLightID = function() {
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// Find valid light
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if (doesEntityExistNow(this.lightID)) {
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return;
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}
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var userData = getUserData(this.entityID);
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if (doesEntityExistNow(userData.lightID)) {
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this.lightID = userData.lightID;
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return;
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}
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if (!userData.creatingLight) {
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// No valid light, create one
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userData.creatingLight = true;
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updateUserData(this.entityID, userData);
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this.lightID = this.createLight(userData);
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this.maybeUpdateLightIDInUserData();
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print("Created new light entity");
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}
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}
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this.maybeUpdateLightIDInUserData = function() {
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if (getTrueID(this.lightID).isKnownID) {
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this.lightID = getTrueID(this.lightID);
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this.updateLightIDInUserData();
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} else {
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var that = this;
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Script.setTimeout(function() { that.maybeUpdateLightIDInUserData() }, 500);
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}
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}
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// Update user data with new lightID
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this.updateLightIDInUserData = function() {
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var userData = getUserData(this.entityID);
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userData.lightID = this.lightID;
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userData.creatingLight = false;
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updateUserData(this.entityID, userData);
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}
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// Moves light entity if the lamp entity moved
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this.maybeMoveLight = function() {
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var entityProperties = Entities.getEntityProperties(this.entityID);
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var lightProperties = Entities.getEntityProperties(this.lightID);
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var lightDefaultProperties = getUserData(this.entityID).lightDefaultProperties;
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var position = Vec3.sum(entityProperties.position,
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Vec3.multiplyQbyV(entityProperties.rotation,
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lightDefaultProperties.position));
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if (!Vec3.equal(position, lightProperties.position)) {
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print("Lamp entity moved, moving light entity as well");
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Entities.editEntity(this.lightID, { position: position });
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}
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}
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// Stores light entity relative position in the lamp metadata
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this.updateRelativeLightPosition = function() {
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if (!doesEntityExistNow(this.lightID)) {
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print("Warning: ID invalid, couldn't save relative position.");
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return;
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}
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var userData = getUserData(this.entityID);
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var entityProperties = Entities.getEntityProperties(this.entityID);
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var lightProperties = Entities.getEntityProperties(this.lightID);
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var newProperties = {};
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// Copy only meaningful properties (trying to save space in userData here)
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for (var key in userData.lightDefaultProperties) {
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if (userData.lightDefaultProperties.hasOwnProperty(key)) {
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newProperties[key] = lightProperties[key];
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}
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}
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// Compute new relative position
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newProperties.position = Quat.multiply(Quat.inverse(entityProperties.rotation),
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Vec3.subtract(lightProperties.position,
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entityProperties.position));
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// inverse "visible" because right after we loaded the properties, the light entity is toggled.
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newProperties.visible = !lightProperties.visible;
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userData.lightDefaultProperties = copyObject(newProperties);
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updateUserData(this.entityID, userData);
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print("Relative properties of light entity saved.");
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}
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// This function should be called before any callback is executed
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this.preOperation = function(entityID) {
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this.entityID = entityID;
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this.checkUserData();
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this.maybeDownloadSound();
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}
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// Toggles the associated light entity
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this.toggleLight = function() {
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if (this.lightID) {
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var lightProperties = Entities.getEntityProperties(this.lightID);
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Entities.editEntity(this.lightID, { visible: !lightProperties.visible });
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this.playSound();
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} else {
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print("Warning: No light to turn on/off");
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}
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}
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this.preload = function(entityID) {
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this.preOperation(entityID);
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}
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this.clickReleaseOnEntity = function(entityID, mouseEvent) {
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this.preOperation(entityID);
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if (mouseEvent.isLeftButton) {
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this.updateLightID();
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this.maybeMoveLight();
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this.toggleLight();
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} else if (mouseEvent.isRightButton) {
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this.updateRelativeLightPosition();
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}
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};
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})
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