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651 lines
22 KiB
JavaScript
651 lines
22 KiB
JavaScript
"use strict";
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//
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// makeUserConnetion.js
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// scripts/system
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//
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// Created by David Kelly on 3/7/2017.
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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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(function() { // BEGIN LOCAL_SCOPE
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const version = 0.1;
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const label = "makeUserConnection";
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const MAX_AVATAR_DISTANCE = 1.25;
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const GRIP_MIN = 0.05;
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const MESSAGE_CHANNEL = "io.highfidelity.makeUserConnection";
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const STATES = {
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inactive : 0,
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waiting: 1,
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friending: 2,
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makingFriends: 3
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};
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const STATE_STRINGS = ["inactive", "waiting", "friending", "makingFriends"];
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const WAITING_INTERVAL = 100; // ms
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const FRIENDING_INTERVAL = 100; // ms
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const MAKING_FRIENDS_TIMEOUT = 1000; // ms
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const FRIENDING_TIME = 2000; // ms
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const FRIENDING_HAPTIC_STRENGTH = 0.5;
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const FRIENDING_SUCCESS_HAPTIC_STRENGTH = 1.0;
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const HAPTIC_DURATION = 20;
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const MODEL_URL = "http://hifi-content.s3.amazonaws.com/alan/dev/Test/sphere-3-color.fbx";
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const TEXTURES = [
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{"Texture": "http://hifi-content.s3.amazonaws.com/alan/dev/Test/sphere-3-color.fbx/sphere-3-color.fbm/green-50pct-opaque-64.png"},
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{"Texture": "http://hifi-content.s3.amazonaws.com/alan/dev/Test/sphere-3-color.fbx/sphere-3-color.fbm/blue-50pct-opaque-64.png"},
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{"Texture": "http://hifi-content.s3.amazonaws.com/alan/dev/Test/sphere-3-color.fbx/sphere-3-color.fbm/red-50pct-opaque-64.png"}
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];
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const PARTICLE_EFFECT_PROPS = {
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"color": {
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"blue": 0,
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"green": 104,
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"red": 0
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},
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"colorFinish": {
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"blue": 172,
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"green": 75,
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"red": 255
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},
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"colorStart": {
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"blue": 0,
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"green": 104,
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"red": 255
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},
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"dimensions": {
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"x": 0.03,
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"y": 0.03,
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"z": 0.03
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},
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"emitOrientation": {
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"w": 0.707,
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"x": -0.707,
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"y": 0.0,
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"z": 0.0
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},
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"emitRate": 360,
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"emitSpeed": 0.0003,
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"emitterShouldTrail": 1,
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"maxParticles": 1370,
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"polarFinish": 1,
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"radiusSpread": 9,
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"radiusStart": 0.04,
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"radiusFinish": 0.02,
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"speedSpread": 0.09,
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"textures": "http://hifi-content.s3.amazonaws.com/alan/dev/Particles/Bokeh-Particle.png",
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"type": "ParticleEffect"
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};
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var currentHand;
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var state = STATES.inactive;
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var friendingInterval;
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var waitingInterval;
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var makingFriendsTimeout;
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var overlay;
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var animHandlerId;
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var entityDimensionMultiplier = 1.0;
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var friendingId;
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var friendingHand;
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var waitingList = {};
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var particleEffect;
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var waitingBallScale;
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function debug() {
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var stateString = "<" + STATE_STRINGS[state] + ">";
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var versionString = "v" + version;
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var friending = "[" + friendingId + "/" + friendingHand + "]";
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print.apply(null, [].concat.apply([label, versionString, stateString, JSON.stringify(waitingList), friending], [].map.call(arguments, JSON.stringify)));
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}
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function handToString(hand) {
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if (hand === Controller.Standard.RightHand) {
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return "RightHand";
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} else if (hand === Controller.Standard.LeftHand) {
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return "LeftHand";
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}
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return "";
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}
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function stringToHand(hand) {
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if (hand == "RightHand") {
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return Controller.Standard.RightHand;
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} else if (hand == "LeftHand") {
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return Controller.Standard.LeftHand;
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}
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debug("stringToHand called with bad hand string:", hand);
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return 0;
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}
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function handToHaptic(hand) {
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if (hand === Controller.Standard.RightHand) {
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return 1;
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} else if (hand === Controller.Standard.LeftHand) {
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return 0;
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}
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return -1;
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}
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function stopWaiting() {
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if (waitingInterval) {
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waitingInterval = Script.clearInterval(waitingInterval);
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}
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}
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function stopFriending() {
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if (friendingInterval) {
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friendingInterval = Script.clearInterval(friendingInterval);
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}
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}
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function stopMakingFriends() {
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if (makingFriendsTimeout) {
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makingFriendsTimeout = Script.clearTimeout(makingFriendsTimeout);
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}
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}
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// This returns the position of the palm, really. Which relies on the avatar
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// having the expected middle1 joint. TODO: fallback for when this isn't part
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// of the avatar?
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function getHandPosition(avatar, hand) {
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if (!hand) {
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debug("calling getHandPosition with no hand! (returning avatar position but this is a BUG)");
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debug(new Error().stack);
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return avatar.position;
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}
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var jointName = handToString(hand) + "Middle1";
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return avatar.getJointPosition(avatar.getJointIndex(jointName));
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}
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function shakeHandsAnimation(animationProperties) {
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// all we are doing here is moving the right hand to a spot
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// that is in front of and a bit above the hips. Basing how
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// far in front as scaling with the avatar's height (say hips
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// to head distance)
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var headIndex = MyAvatar.getJointIndex("Head");
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var offset = 0.5; // default distance of hand in front of you
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var result = {};
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if (headIndex) {
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offset = 0.8 * MyAvatar.getAbsoluteJointTranslationInObjectFrame(headIndex).y;
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}
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var handPos = Vec3.multiply(offset, {x: -0.25, y: 0.8, z: 1.3});
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result.rightHandPosition = handPos;
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result.rightHandRotation = Quat.fromPitchYawRollDegrees(90, 0, 90);
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return result;
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}
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function positionFractionallyTowards(posA, posB, frac) {
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return Vec3.sum(posA, Vec3.multiply(frac, Vec3.subtract(posB, posA)));
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}
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// this is called frequently, but usually does nothing
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function updateVisualization() {
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if (state != STATES.waiting) {
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if (overlay) {
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overlay = Overlays.deleteOverlay(overlay);
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}
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}
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if (state == STATES.inactive || state == STATES.waiting) {
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if (particleEffect) {
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particleEffect = Entities.deleteEntity(particleEffect);
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}
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}
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if (state == STATES.inactive) {
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return;
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}
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var textures = TEXTURES[state-1];
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var position = getHandPosition(MyAvatar, currentHand);
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// TODO: make the size scale with avatar, up to
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// the actual size of MAX_AVATAR_DISTANCE
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var wrist = MyAvatar.getJointPosition(MyAvatar.getJointIndex(handToString(currentHand)));
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var d = Math.abs(entityDimensionMultiplier) * Vec3.distance(wrist, position);
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if (friendingId) {
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// put the position between the 2 hands, if we have a friendingId
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var other = AvatarList.getAvatar(friendingId);
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if (other) {
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var otherHand = getHandPosition(other, stringToHand(friendingHand));
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position = positionFractionallyTowards(position, otherHand, entityDimensionMultiplier);
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}
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}
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if (state == STATES.waiting) {
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var dimension = {x: d, y: d, z: d};
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if (!overlay) {
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waitingBallScale = 1.0/32.0;
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var props = {
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url: MODEL_URL,
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position: position,
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dimensions: Vec3.multiply(waitingBallScale, dimension),
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textures: textures
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};
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overlay = Overlays.addOverlay("model", props);
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} else {
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waitingBallScale = Math.min(1.0, waitingBallScale * 1.1);
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Overlays.editOverlay(overlay, {textures: textures});
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Overlays.editOverlay(overlay, {dimensions: Vec3.multiply(waitingBallScale, dimension), position: position});
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}
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} else {
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var particleProps = {};
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particleProps.position = position;
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if (!particleEffect) {
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particleProps = PARTICLE_EFFECT_PROPS;
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particleEffect = Entities.addEntity(particleProps);
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} else {
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if (state == STATES.makingFriends) {
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particleProps.colorFinish = {red: 0xFF, green: 0x00, blue: 0x00};
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particleProps.color = particleProps.colorFinish;
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}
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Entities.editEntity(particleEffect, particleProps);
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}
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}
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}
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function isNearby(id, hand) {
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if (currentHand) {
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var handPos = getHandPosition(MyAvatar, currentHand);
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var avatar = AvatarList.getAvatar(id);
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if (avatar) {
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var otherHand = stringToHand(hand);
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var distance = Vec3.distance(getHandPosition(avatar, otherHand), handPos);
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return (distance < MAX_AVATAR_DISTANCE);
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}
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}
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return false;
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}
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function findNearestWaitingAvatar() {
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var handPos = getHandPosition(MyAvatar, currentHand);
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var minDistance = MAX_AVATAR_DISTANCE;
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var nearestAvatar = {};
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Object.keys(waitingList).forEach(function (identifier) {
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var avatar = AvatarList.getAvatar(identifier);
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if (avatar) {
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var hand = stringToHand(waitingList[identifier]);
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var distance = Vec3.distance(getHandPosition(avatar, hand), handPos);
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if (distance < minDistance) {
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minDistance = distance;
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nearestAvatar = {avatar: identifier, hand: hand};
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}
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}
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});
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return nearestAvatar;
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}
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// As currently implemented, we select the closest waiting avatar (if close enough) and send
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// them a friendRequest. If nobody is close enough we send a waiting message, and wait for a
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// friendRequest. If the 2 people who want to connect are both somewhat out of range when they
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// initiate the shake, they will race to see who sends the friendRequest after noticing the
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// waiting message. Either way, they will start friending eachother at that point.
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function startHandshake(fromKeyboard) {
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if (fromKeyboard) {
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debug("adding animation");
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// just in case order of press/unpress is broken
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if (animHandlerId) {
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animHandlerId = MyAvatar.removeAnimationStateHandler(animHandlerId);
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}
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animHandlerId = MyAvatar.addAnimationStateHandler(shakeHandsAnimation, []);
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}
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debug("starting handshake for", currentHand);
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state = STATES.waiting;
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entityDimensionMultiplier = 1.0;
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friendingId = undefined;
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friendingHand = undefined;
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// just in case
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stopWaiting();
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stopFriending();
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stopMakingFriends();
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var nearestAvatar = findNearestWaitingAvatar();
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if (nearestAvatar.avatar) {
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friendingId = nearestAvatar.avatar;
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friendingHand = handToString(nearestAvatar.hand);
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debug("sending friendRequest to", friendingId);
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messageSend({
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key: "friendRequest",
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id: friendingId,
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hand: handToString(currentHand)
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});
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} else {
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// send waiting message
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debug("sending waiting message");
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messageSend({
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key: "waiting",
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hand: handToString(currentHand)
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});
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lookForWaitingAvatar();
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}
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}
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function endHandshake() {
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debug("ending handshake for", currentHand);
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currentHand = undefined;
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// note that setting the state to inactive should really
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// only be done here, unless we change how the triggering works,
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// as we ignore the key release event when inactive. See updateTriggers
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// below.
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state = STATES.inactive;
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friendingId = undefined;
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friendingHand = undefined;
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stopWaiting();
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stopFriending();
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stopMakingFriends();
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// send done to let friend know you are not making friends now
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messageSend({
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key: "done"
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});
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if (animHandlerId) {
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debug("removing animation");
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MyAvatar.removeAnimationStateHandler(animHandlerId);
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}
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}
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function updateTriggers(value, fromKeyboard, hand) {
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if (currentHand && hand !== currentHand) {
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debug("currentHand", currentHand, "ignoring messages from", hand);
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return;
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}
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if (!currentHand) {
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currentHand = hand;
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}
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// ok now, we are either initiating or quitting...
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var isGripping = value > GRIP_MIN;
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if (isGripping) {
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if (state != STATES.inactive) {
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return;
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} else {
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startHandshake(fromKeyboard);
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}
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} else {
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// TODO: should we end handshake even when inactive? Ponder
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if (state != STATES.inactive) {
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endHandshake();
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} else {
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return;
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}
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}
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}
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function messageSend(message) {
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Messages.sendMessage(MESSAGE_CHANNEL, JSON.stringify(message));
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}
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function lookForWaitingAvatar() {
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// we started with nobody close enough, but maybe I've moved
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// or they did. Note that 2 people doing this race, so stop
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// as soon as you have a friendingId (which means you got their
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// message before noticing they were in range in this loop)
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// just in case we reenter before stopping
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stopWaiting();
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debug("started looking for waiting avatars");
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waitingInterval = Script.setInterval(function () {
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if (state == STATES.waiting && !friendingId) {
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// find the closest in-range avatar, and send friend request
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// TODO: this is same code as in startHandshake - get this
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// cleaned up.
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var nearestAvatar = findNearestWaitingAvatar();
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if (nearestAvatar.avatar) {
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friendingId = nearestAvatar.avatar;
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friendingHand = handToString(nearestAvatar.hand);
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debug("sending friendRequest to", friendingId);
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messageSend({
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key: "friendRequest",
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id: friendingId,
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hand: handToString(currentHand)
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});
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}
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} else {
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// something happened, stop looking for avatars to friend
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stopWaiting();
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debug("stopped looking for waiting avatars");
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}
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}, WAITING_INTERVAL);
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}
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// this should be where we make the appropriate friend call. For now just make the
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// visualization change.
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function makeFriends(id) {
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// send done to let the friend know you have made friends.
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messageSend({
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key: "done",
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friendId: id
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});
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Controller.triggerHapticPulse(FRIENDING_SUCCESS_HAPTIC_STRENGTH, HAPTIC_DURATION, handToHaptic(currentHand));
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state = STATES.makingFriends;
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// now that we made friends, reset everything
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makingFriendsTimeout = Script.setTimeout(function () {
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friendingId = undefined;
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friendingHand = undefined;
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entityDimensionMultiplier = 1.0;
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makingFriendsTimeout = undefined;
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}, MAKING_FRIENDS_TIMEOUT);
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}
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// we change states, start the friendingInterval where we check
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// to be sure the hand is still close enough. If not, we terminate
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// the interval, go back to the waiting state. If we make it
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// the entire FRIENDING_TIME, we make friends.
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function startFriending(id, hand) {
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var count = 0;
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debug("friending", id, "hand", hand);
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// do we need to do this?
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friendingId = id;
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friendingHand = hand;
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state = STATES.friending;
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Controller.triggerHapticPulse(FRIENDING_HAPTIC_STRENGTH, HAPTIC_DURATION, handToHaptic(currentHand));
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// send message that we are friending them
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messageSend({
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key: "friending",
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id: id,
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hand: handToString(currentHand)
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});
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friendingInterval = Script.setInterval(function () {
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count += 1;
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entityDimensionMultiplier = Math.abs(Math.sin(Math.PI * 2 * 2 * count * FRIENDING_INTERVAL / FRIENDING_TIME));
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if (state != STATES.friending) {
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debug("stopping friending interval, state changed");
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stopFriending();
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} else if (!isNearby(id, hand)) {
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// gotta go back to waiting
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debug(id, "moved, back to waiting");
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stopFriending();
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messageSend({
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key: "done"
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});
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startHandshake();
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} else if (count > FRIENDING_TIME/FRIENDING_INTERVAL) {
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debug("made friends with " + id);
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makeFriends(id);
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stopFriending();
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}
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}, FRIENDING_INTERVAL);
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}
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/*
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A simple sequence diagram: NOTE that the FriendAck is somewhat
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vestigial, and probably should be removed shortly.
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Avatar A Avatar B
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| |
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| <-----(waiting) ----- startHandshake
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startHandshake -- (FriendRequest) -> |
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| |
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| <-------(FriendAck) --------- |
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| <--------(friending) -- startFriending
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startFriending -- (friending) ---> |
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| |
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| friends
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friends |
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| <--------- (done) ---------- |
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| ---------- (done) ---------> |
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*/
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function messageHandler(channel, messageString, senderID) {
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if (channel !== MESSAGE_CHANNEL) {
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return;
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}
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if (MyAvatar.sessionUUID === senderID) { // ignore my own
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return;
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}
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var message = {};
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try {
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message = JSON.parse(messageString);
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} catch (e) {
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debug(e);
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}
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switch (message.key) {
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case "waiting":
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// add this guy to waiting object. Any other message from this person will
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// remove it from the list
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waitingList[senderID] = message.hand;
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break;
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case "friendRequest":
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delete waitingList[senderID];
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if (state == STATES.waiting && message.id == MyAvatar.sessionUUID && (!friendingId || friendingId == senderID)) {
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// you were waiting for a friend request, so send the ack. Or, you and the other
|
|
// guy raced and both send friendRequests. Handle that too
|
|
friendingId = senderID;
|
|
friendingHand = message.hand;
|
|
messageSend({
|
|
key: "friendAck",
|
|
id: senderID,
|
|
hand: handToString(currentHand)
|
|
});
|
|
} else {
|
|
if (state == STATES.waiting && friendingId == senderID) {
|
|
// the person you are trying to friend sent a request to someone else. See the
|
|
// if statement above. So, don't cry, just start the handshake over again
|
|
startHandshake();
|
|
}
|
|
}
|
|
break;
|
|
case "friendAck":
|
|
delete waitingList[senderID];
|
|
if (state == STATES.waiting && (!friendingId || friendingId == senderID)) {
|
|
if (message.id == MyAvatar.sessionUUID) {
|
|
// start friending...
|
|
friendingId = senderID;
|
|
friendingHand = message.hand;
|
|
stopWaiting();
|
|
startFriending(senderID, message.hand);
|
|
} else {
|
|
if (friendingId) {
|
|
// this is for someone else (we lost race in friendRequest),
|
|
// so lets start over
|
|
startHandshake();
|
|
}
|
|
}
|
|
}
|
|
// TODO: check to see if we are waiting for this but the person we are friending sent it to
|
|
// someone else, and try again
|
|
break;
|
|
case "friending":
|
|
delete waitingList[senderID];
|
|
if (state == STATES.waiting && senderID == friendingId) {
|
|
// temporary logging
|
|
if (friendingHand != message.hand) {
|
|
debug("friending hand", friendingHand, "not same as friending hand in message", message.hand);
|
|
}
|
|
friendingHand = message.hand;
|
|
if (message.id != MyAvatar.sessionUUID) {
|
|
// the person we were trying to friend is friending someone else
|
|
// so try again
|
|
startHandshake();
|
|
break;
|
|
}
|
|
startFriending(senderID, message.hand);
|
|
}
|
|
break;
|
|
case "done":
|
|
delete waitingList[senderID];
|
|
if (state == STATES.friending && friendingId == senderID) {
|
|
// if they are done, and didn't friend us, terminate our
|
|
// friending
|
|
if (message.friendId !== MyAvatar.sessionUUID) {
|
|
stopFriending();
|
|
// now just call startHandshake. Should be ok to do so without a
|
|
// value for isKeyboard, as we should not change the animation
|
|
// state anyways (if any)
|
|
startHandshake();
|
|
}
|
|
} else {
|
|
// if waiting or inactive, lets clear the friending id. If in makingFriends,
|
|
// do nothing (so you see the red for a bit)
|
|
if (state != STATES.makingFriends && friendingId == senderID) {
|
|
friendingId = undefined;
|
|
friendingHand = undefined;
|
|
if (state != STATES.inactive) {
|
|
startHandshake();
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
debug("unknown message", message);
|
|
break;
|
|
}
|
|
}
|
|
|
|
Messages.subscribe(MESSAGE_CHANNEL);
|
|
Messages.messageReceived.connect(messageHandler);
|
|
|
|
|
|
function makeGripHandler(hand, animate) {
|
|
// determine if we are gripping or un-gripping
|
|
if (animate) {
|
|
return function(value) {
|
|
updateTriggers(value, true, hand);
|
|
};
|
|
|
|
} else {
|
|
return function (value) {
|
|
updateTriggers(value, false, hand);
|
|
};
|
|
}
|
|
}
|
|
|
|
function keyPressEvent(event) {
|
|
if ((event.text === "x") && !event.isAutoRepeat) {
|
|
updateTriggers(1.0, true, Controller.Standard.RightHand);
|
|
}
|
|
}
|
|
function keyReleaseEvent(event) {
|
|
if ((event.text === "x") && !event.isAutoRepeat) {
|
|
updateTriggers(0.0, true, Controller.Standard.RightHand);
|
|
}
|
|
}
|
|
// map controller actions
|
|
var friendsMapping = Controller.newMapping(Script.resolvePath('') + '-grip');
|
|
friendsMapping.from(Controller.Standard.LeftGrip).peek().to(makeGripHandler(Controller.Standard.LeftHand));
|
|
friendsMapping.from(Controller.Standard.RightGrip).peek().to(makeGripHandler(Controller.Standard.RightHand));
|
|
|
|
// setup keyboard initiation
|
|
Controller.keyPressEvent.connect(keyPressEvent);
|
|
Controller.keyReleaseEvent.connect(keyReleaseEvent);
|
|
|
|
// xbox controller cuz that's important
|
|
friendsMapping.from(Controller.Standard.RB).peek().to(makeGripHandler(Controller.Standard.RightHand, true));
|
|
|
|
// it is easy to forget this and waste a lot of time for nothing
|
|
friendsMapping.enable();
|
|
|
|
// connect updateVisualization to update frequently
|
|
Script.update.connect(updateVisualization);
|
|
|
|
Script.scriptEnding.connect(function () {
|
|
debug("removing controller mappings");
|
|
friendsMapping.disable();
|
|
debug("removing key mappings");
|
|
Controller.keyPressEvent.disconnect(keyPressEvent);
|
|
Controller.keyReleaseEvent.disconnect(keyReleaseEvent);
|
|
debug("disconnecting updateVisualization");
|
|
Script.update.disconnect(updateVisualization);
|
|
if (overlay) {
|
|
overlay = Overlays.deleteOverlay(overlay);
|
|
}
|
|
});
|
|
|
|
}()); // END LOCAL_SCOPE
|
|
|