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Merge pull request #9172 from thoys/avatarFinderBeacon

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avatarFinderBeacon.js -- Find other avatars more easily
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Chris Collins 2016-12-12 15:25:36 -08:00 committed by GitHub
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// avatarFinderBeacon.js
//
// Created by Thijs Wenker on 12/7/16
// Copyright 2016 High Fidelity, Inc.
//
// Shows 2km long red beams for each avatar outside of the 20 meter radius of your avatar, tries to ignore AC Agents.
//
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
var MIN_DISPLAY_DISTANCE = 20.0; // meters
var BEAM_COLOR = {red: 255, green: 0, blue: 0};
var SHOW_THROUGH_WALLS = false;
var BEACON_LENGTH = 2000.0; // meters
var TRY_TO_IGNORE_AC_AGENTS = true;
var HALF_BEACON_LENGTH = BEACON_LENGTH / 2.0;
var beacons = {};
// List of .fst files used by AC scripts, that should be ignored in the script in case TRY_TO_IGNORE_AC_AGENTS is enabled
var POSSIBLE_AC_AVATARS = [
'http://hifi-content.s3.amazonaws.com/ozan/dev/avatars/invisible_avatar/invisible_avatar.fst',
'http://hifi-content.s3.amazonaws.com/ozan/dev/avatars/camera_man/pod/_latest/camera_man_pod.fst'
];
AvatarFinderBeacon = function(avatar) {
var visible = false;
var avatarSessionUUID = avatar.sessionUUID;
this.overlay = Overlays.addOverlay('line3d', {
color: BEAM_COLOR,
dashed: false,
start: Vec3.sum(avatar.position, {x: 0, y: -HALF_BEACON_LENGTH, z: 0}),
end: Vec3.sum(avatar.position, {x: 0, y: HALF_BEACON_LENGTH, z: 0}),
rotation: {x: 0, y: 0, z: 0, w: 1},
visible: visible,
drawInFront: SHOW_THROUGH_WALLS,
ignoreRayIntersection: true,
parentID: avatarSessionUUID,
parentJointIndex: -2
});
this.cleanup = function() {
Overlays.deleteOverlay(this.overlay);
};
this.shouldShow = function() {
return Vec3.distance(MyAvatar.position, avatar.position) >= MIN_DISPLAY_DISTANCE;
};
this.update = function() {
avatar = AvatarList.getAvatar(avatarSessionUUID);
Overlays.editOverlay(this.overlay, {
visible: this.shouldShow()
});
};
};
function updateBeacon(avatarSessionUUID) {
if (!(avatarSessionUUID in beacons)) {
var avatar = AvatarList.getAvatar(avatarSessionUUID);
if (TRY_TO_IGNORE_AC_AGENTS
&& (POSSIBLE_AC_AVATARS.indexOf(avatar.skeletonModelURL) !== -1 || Vec3.length(avatar.position) === 0.0)) {
return;
}
beacons[avatarSessionUUID] = new AvatarFinderBeacon(avatar);
return;
}
beacons[avatarSessionUUID].update();
}
Window.domainChanged.connect(function () {
beacons = {};
});
Script.update.connect(function() {
AvatarList.getAvatarIdentifiers().forEach(function(avatarSessionUUID) {
updateBeacon(avatarSessionUUID);
});
});
AvatarList.avatarRemovedEvent.connect(function(avatarSessionUUID) {
if (avatarSessionUUID in beacons) {
beacons[avatarSessionUUID].cleanup();
delete beacons[avatarSessionUUID];
}
});
Script.scriptEnding.connect(function() {
for (var sessionUUID in beacons) {
if (!beacons.hasOwnProperty(sessionUUID)) {
return;
}
beacons[sessionUUID].cleanup();
}
});