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Delete mirrorClient.js
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Alezia Kurdis
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//
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// mirrorClient.js
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//
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// Created by Patrick Manalich
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// Edited by Rebecca Stankus on 8/30/17.
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// Edited by David Back on 11/17/17.
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// Edited by Anna Brewer on 7/12/19.
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// Copyright 2017 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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// Attach `mirrorClient.js` to a box entity whose z dimension is very small,
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// and whose x and y dimensions are up to you. See comments in `mirrorReflection.js`
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// for more information about the mirror on/off zone.
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"use strict";
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(function () { // BEGIN LOCAL SCOPE
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// VARIABLES
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/* globals utils, Render */
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var _this = this;
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var MAX_MIRROR_RESOLUTION_SIDE_PX = 960; // The max pixel resolution of the long side of the mirror
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var ZERO_ROT = { w: 1, x: 0, y: 0, z: 0 }; // Constant quaternion for a rotation of 0
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var FAR_CLIP_DISTANCE = 16; // The far clip distance for the spectator camera when the mirror is on
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var mirrorLocalEntityID = false; // The entity ID of the local entity that displays the mirror reflection
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var mirrorLocalEntityRunning; // True if mirror local entity is reflecting, false otherwise
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var mirrorLocalEntityOffset = 0.01; // The distance between the center of the mirror and the mirror local entity
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var spectatorCameraConfig = Render.getConfig("SecondaryCamera"); // Render configuration for the spectator camera
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var lastDimensions = { x: 0, y: 0 }; // The previous dimensions of the mirror
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var previousFarClipDistance; // Store the specator camera's previous far clip distance that we override for the mirror
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// LOCAL FUNCTIONS
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function isPositionInsideBox(position, boxProperties) {
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var localPosition = Vec3.multiplyQbyV(Quat.inverse(boxProperties.rotation),
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Vec3.subtract(MyAvatar.position, boxProperties.position));
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var halfDimensions = Vec3.multiply(boxProperties.dimensions, 0.5);
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return -halfDimensions.x <= localPosition.x &&
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halfDimensions.x >= localPosition.x &&
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-halfDimensions.y <= localPosition.y &&
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halfDimensions.y >= localPosition.y &&
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-halfDimensions.z <= localPosition.z &&
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halfDimensions.z >= localPosition.z;
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}
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// When x or y dimensions of the mirror change - reset the resolution of the
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// spectator camera and edit the mirror local entity to adjust for the new dimensions
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function updateMirrorDimensions(forceUpdate) {
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if (!mirrorLocalEntityID) {
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return;
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}
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if (mirrorLocalEntityRunning) {
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var newDimensions = Entities.getEntityProperties(_this.entityID, 'dimensions').dimensions;
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if (forceUpdate === true || (newDimensions.x != lastDimensions.x || newDimensions.y != lastDimensions.y)) {
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var mirrorResolution = _this.calculateMirrorResolution(newDimensions);
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spectatorCameraConfig.resetSizeSpectatorCamera(mirrorResolution.x, mirrorResolution.y);
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Entities.editEntity(mirrorLocalEntityID, {
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dimensions: {
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x: (Math.max(newDimensions.x, newDimensions.y)),
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y: (Math.max(newDimensions.x, newDimensions.y)),
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z: 0
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}
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});
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}
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lastDimensions = newDimensions;
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}
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}
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// Takes in an mirror scalar number which is used for the index of "halfDimSigns" that is needed to adjust the mirror
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// local entity's position. Deletes and re-adds the mirror local entity so the url and position are updated.
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function createMirrorLocalEntity() {
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if (mirrorLocalEntityID) {
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Entities.deleteEntity(mirrorLocalEntityID);
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mirrorLocalEntityID = false;
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}
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if (mirrorLocalEntityRunning) {
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mirrorLocalEntityID = Entities.addEntity({
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type: "Image",
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name: "mirrorLocalEntity",
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imageURL: "resource://spectatorCameraFrame",
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emissive: true,
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parentID: _this.entityID,
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alpha: 1,
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localPosition: {
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x: 0,
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y: 0,
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z: mirrorLocalEntityOffset
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},
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localRotation: Quat.fromPitchYawRollDegrees(0, 0, 180),
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isVisibleInSecondaryCamera: false
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}, "local");
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updateMirrorDimensions(true);
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}
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}
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_this.calculateMirrorResolution = function(entityDimensions) {
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var mirrorResolutionX, mirrorResolutionY;
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if (entityDimensions.x > entityDimensions.y) {
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mirrorResolutionX = MAX_MIRROR_RESOLUTION_SIDE_PX;
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mirrorResolutionY = Math.round(mirrorResolutionX * entityDimensions.y / entityDimensions.x);
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} else {
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mirrorResolutionY = MAX_MIRROR_RESOLUTION_SIDE_PX;
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mirrorResolutionX = Math.round(mirrorResolutionY * entityDimensions.x / entityDimensions.y);
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}
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var resolution = {
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"x": mirrorResolutionX,
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"y": mirrorResolutionY
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};
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return resolution;
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};
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// Sets up spectator camera to render the mirror, calls 'createMirrorLocalEntity' once to set up
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// mirror local entity, then connects 'updateMirrorDimensions' to update dimension changes
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_this.mirrorLocalEntityOn = function(onPreload) {
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if (!mirrorLocalEntityRunning) {
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if (!spectatorCameraConfig.attachedEntityId) {
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mirrorLocalEntityRunning = true;
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spectatorCameraConfig.mirrorProjection = true;
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spectatorCameraConfig.attachedEntityId = _this.entityID;
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previousFarClipDistance = spectatorCameraConfig.farClipPlaneDistance;
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spectatorCameraConfig.farClipPlaneDistance = FAR_CLIP_DISTANCE;
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var entityProperties = Entities.getEntityProperties(_this.entityID, ['dimensions']);
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var mirrorEntityDimensions = entityProperties.dimensions;
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var initialResolution = _this.calculateMirrorResolution(mirrorEntityDimensions);
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spectatorCameraConfig.resetSizeSpectatorCamera(initialResolution.x, initialResolution.y);
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spectatorCameraConfig.enableSecondaryCameraRenderConfigs(true);
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createMirrorLocalEntity();
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Script.update.connect(updateMirrorDimensions);
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} else {
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print("Cannot turn on mirror if spectator camera is already in use");
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}
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}
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};
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// Resets spectator camera, deletes the mirror local entity, and disconnects 'updateMirrorDimensions'
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_this.mirrorLocalEntityOff = function() {
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if (mirrorLocalEntityRunning) {
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spectatorCameraConfig.enableSecondaryCameraRenderConfigs(false);
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spectatorCameraConfig.mirrorProjection = false;
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spectatorCameraConfig.attachedEntityId = null;
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spectatorCameraConfig.farClipPlaneDistance = previousFarClipDistance;
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if (mirrorLocalEntityID) {
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Entities.deleteEntity(mirrorLocalEntityID);
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mirrorLocalEntityID = false;
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}
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Script.update.disconnect(updateMirrorDimensions);
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mirrorLocalEntityRunning = false;
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}
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};
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// ENTITY FUNCTIONS
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_this.preload = function(entityID) {
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_this.entityID = entityID;
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mirrorlocalEntityRunning = false;
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// If avatar is already inside the mirror zone at the time preload is called then turn on the mirror
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var children = Entities.getChildrenIDs(_this.entityID);
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var childZero = Entities.getEntityProperties(children[0]);
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if (isPositionInsideBox(MyAvatar.position, {
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position: childZero.position,
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rotation: childZero.rotation,
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dimensions: childZero.dimensions
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})) {
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_this.mirrorLocalEntityOn(true);
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}
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};
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// Turn off mirror on unload
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_this.unload = function(entityID) {
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_this.mirrorLocalEntityOff();
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};
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});
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