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////  viveTouchpadTest.js////  Anthony J. Thibault//  Copyright 2016 High Fidelity, Inc.////  An example of reading touch and move events from the vive controller touch pad.////  It will spawn a gray cube in front of you, then as you use the right touch pad,//  the cube should turn green and respond to the motion of your thumb on the pad.////  Distributed under the Apache License, Version 2.0.//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html var GRAY = {red: 57, green: 57, blue: 57};var GREEN = {red: 0, green: 255, blue: 0};var ZERO = {x: 0, y: 0, z: 0};var Y_AXIS = {x: 0, y: 1, x: 0};var ROT_Y_90 = Quat.angleAxis(Y_AXIS, 90.0); var boxEntity;var boxPosition;var boxZAxis, boxYAxis;var prevThumbDown = false; function init() {    boxPosition = Vec3.sum(MyAvatar.position, Vec3.multiply(3, Quat.getForward(Camera.getOrientation())));    var forward = Quat.getForward(Camera.getOrientation());    boxZAxis = Vec3.normalize(Vec3.cross(forward, Y_AXIS));    boxYAxis = Vec3.normalize(Vec3.cross(boxZAxis, forward));     boxEntity = Entities.addEntity({        type: "Box",        position: boxPosition,        dimentions: {x: 0.25, y: 0.25, z: 0.25},        color: GRAY,        gravity: ZERO,        visible: true,        locked: false,        lifetime: 60000    });} function shutdown() {    Entities.deleteEntity(boxEntity);}Script.scriptEnding.connect(shutdown); function viveIsConnected() {    return Controller.Hardware.Vive;} function update(dt) {    if (viveIsConnected()) {        var thumbDown = Controller.getValue(Controller.Hardware.Vive.RSTouch);        if (thumbDown) {            var x = Controller.getValue(Controller.Hardware.Vive.RX);            var y = Controller.getValue(Controller.Hardware.Vive.RY);            var xOffset = Vec3.multiply(boxZAxis, x);            var yOffset = Vec3.multiply(boxYAxis, y);            var offset = Vec3.sum(xOffset, yOffset);            Entities.editEntity(boxEntity, {position: Vec3.sum(boxPosition, offset)});        }        if (thumbDown && !prevThumbDown) {            Entities.editEntity(boxEntity, {color: GREEN});        }        if (!thumbDown && prevThumbDown) {            Entities.editEntity(boxEntity, {color: GRAY});        }        prevThumbDown = thumbDown;    }} Script.update.connect(update); init();