////  sitOnEntity.js//  examples/entityScripts////  Created by Brad Hefta-Gaub on 11/1/14.//  Copyright 2014 High Fidelity, Inc.////  This is an example of an entity script for sitting.////  Distributed under the Apache License, Version 2.0.//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html// (function(){      this.entityID = null;    this.properties = null;    this.standUpButton = null;    this.indicatorsAdded = false;    this.indicator = new Array();         var buttonImageUrl = "https://worklist-prod.s3.amazonaws.com/attachment/0aca88e1-9bd8-5c1d.svg";    var windowDimensions = Controller.getViewportDimensions();    var buttonWidth = 37;    var buttonHeight = 46;    var buttonPadding = 50; // inside the normal toolbar position    var buttonPositionX = windowDimensions.x - buttonPadding - buttonWidth;    var buttonPositionY = (windowDimensions.y - buttonHeight) / 2 - (buttonHeight + buttonPadding);     var passedTime = 0.0;    var startPosition = null;    var startRotation = null;    var animationLenght = 2.0;     var avatarOldPosition = { x: 0, y: 0, z: 0 };     var sittingSettingsHandle = "SitJsSittingPosition";    var sitting = Settings.getValue(sittingSettingsHandle, false) == "true";    print("Original sitting status: " + sitting);    var frame = 0;     var seat = new Object();    var hiddingSeats = false;     // This is the pose we would like to end up    var pose = [        {joint:"RightUpLeg", rotation: {x:100.0, y:15.0, z:0.0}},        {joint:"RightLeg", rotation: {x:-130.0, y:15.0, z:0.0}},        {joint:"RightFoot", rotation: {x:30, y:15.0, z:0.0}},        {joint:"LeftUpLeg", rotation: {x:100.0, y:-15.0, z:0.0}},        {joint:"LeftLeg", rotation: {x:-130.0, y:-15.0, z:0.0}},        {joint:"LeftFoot", rotation: {x:30, y:15.0, z:0.0}}    ];     var startPoseAndTransition = [];     function storeStartPoseAndTransition() {        for (var i = 0; i < pose.length; i++){            var startRotation = Quat.safeEulerAngles(MyAvatar.getJointRotation(pose[i].joint));            var transitionVector = Vec3.subtract( pose[i].rotation, startRotation );            startPoseAndTransition.push({joint: pose[i].joint, start: startRotation, transition: transitionVector});        }    }     function updateJoints(factor){        for (var i = 0; i < startPoseAndTransition.length; i++){            var scaledTransition = Vec3.multiply(startPoseAndTransition[i].transition, factor);            var rotation = Vec3.sum(startPoseAndTransition[i].start, scaledTransition);            MyAvatar.setJointData(startPoseAndTransition[i].joint, Quat.fromVec3Degrees( rotation ));        }    }     var sittingDownAnimation = function(deltaTime) {         passedTime += deltaTime;        var factor = passedTime/animationLenght;            if ( passedTime <= animationLenght  ) {            updateJoints(factor);             var pos = { x: startPosition.x - 0.3 * factor, y: startPosition.y - 0.5 * factor, z: startPosition.z};            MyAvatar.position = pos;        } else {            Script.update.disconnect(sittingDownAnimation);            if (seat.model) {                MyAvatar.setModelReferential(seat.model.id);            }        }    }     var standingUpAnimation = function(deltaTime) {         passedTime += deltaTime;        var factor = 1 - passedTime/animationLenght;         if ( passedTime <= animationLenght  ) {                    updateJoints(factor);             var pos = { x: startPosition.x + 0.3 * (passedTime/animationLenght), y: startPosition.y + 0.5 * (passedTime/animationLenght), z: startPosition.z};            MyAvatar.position = pos;        } else {            Script.update.disconnect(standingUpAnimation);                }    }     var externalThis = this;        var goToSeatAnimation = function(deltaTime) {        passedTime += deltaTime;        var factor = passedTime/animationLenght;            if (passedTime <= animationLenght) {            var targetPosition = Vec3.sum(seat.position, { x: 0.3, y: 0.5, z: 0 });            MyAvatar.position = Vec3.sum(Vec3.multiply(startPosition, 1 - factor), Vec3.multiply(targetPosition, factor));        } else if (passedTime <= 2 * animationLenght) {            //Quat.print("MyAvatar: ", MyAvatar.orientation);            //Quat.print("Seat: ", seat.rotation);            MyAvatar.orientation = Quat.mix(startRotation, seat.rotation, factor - 1);        } else {            Script.update.disconnect(goToSeatAnimation);            externalThis.sitDown();            externalThis.showIndicators(false);        }    }        var globalMouseClick = function(event) {        var clickedOverlay = Overlays.getOverlayAtPoint({x: event.x, y: event.y});        if (clickedOverlay == externalThis.standUpButton) {            seat.model = null;            externalThis.standUp();            Controller.mousePressEvent.disconnect(globalMouseClick);        }    };     this.sitDown = function() {        sitting = true;        Settings.setValue(sittingSettingsHandle, sitting);        print("sitDown sitting status: " + Settings.getValue(sittingSettingsHandle, false));        passedTime = 0.0;        startPosition = MyAvatar.position;        storeStartPoseAndTransition();        try {            Script.update.disconnect(standingUpAnimation);        } catch(e){                // no need to handle. if it wasn't connected no harm done        }        Script.update.connect(sittingDownAnimation);        Overlays.editOverlay(this.standUpButton, { visible: true });        Controller.mousePressEvent.connect(globalMouseClick);    }     this.standUp = function() {        sitting = false;        Settings.setValue(sittingSettingsHandle, sitting);        print("standUp sitting status: " + Settings.getValue(sittingSettingsHandle, false));        passedTime = 0.0;        startPosition = MyAvatar.position;        MyAvatar.clearReferential();        try{            Script.update.disconnect(sittingDownAnimation);        } catch (e){}        Script.update.connect(standingUpAnimation);        Overlays.editOverlay(this.standUpButton, { visible: false });        Controller.mousePressEvent.disconnect(globalMouseClick);    }     function SeatIndicator(modelProperties, seatIndex) {        var halfDiagonal = Vec3.length(modelProperties.dimensions) / 2.0;         this.position =  Vec3.sum(modelProperties.position,                                  Vec3.multiply(Vec3.multiplyQbyV(modelProperties.rotation, modelProperties.sittingPoints[seatIndex].position),                                                halfDiagonal)); // hack                                      this.orientation = Quat.multiply(modelProperties.rotation,                                         modelProperties.sittingPoints[seatIndex].rotation);        this.scale = MyAvatar.scale / 3;            this.sphere = Overlays.addOverlay("image3d", {                                          subImage: { x: 0, y: buttonHeight, width: buttonWidth, height: buttonHeight},                                          url: buttonImageUrl,                                          position: this.position,                                          scale: this.scale,                                          size: this.scale,                                          solid: true,                                          color: { red: 255, green: 255, blue: 255 },                                          alpha: 0.8,                                          visible: true,                                          isFacingAvatar: true                                          });            this.show = function(doShow) {            Overlays.editOverlay(this.sphere, { visible: doShow });        }            this.update = function() {            Overlays.editOverlay(this.sphere, {                                 position: this.position,                                 size: this.scale                                 });        }            this.cleanup = function() {            Overlays.deleteOverlay(this.sphere);        }    }     function update(deltaTime){        var newWindowDimensions = Controller.getViewportDimensions();        if( newWindowDimensions.x != windowDimensions.x || newWindowDimensions.y != windowDimensions.y ){            windowDimensions = newWindowDimensions;            var newX = windowDimensions.x - buttonPadding - buttonWidth;            var newY = (windowDimensions.y - buttonHeight) / 2 ;            Overlays.editOverlay( this.standUpButton, {x: newX, y: newY} );        }            // For a weird reason avatar joint don't update till the 10th frame        // Set the update frame to 20 to be safe        var UPDATE_FRAME = 20;        if (frame <= UPDATE_FRAME) {            if (frame == UPDATE_FRAME) {                if (sitting == true) {                    print("Was seated: " + sitting);                    storeStartPoseAndTransition();                    updateJoints(1.0);                }            }            frame++;        }    }     this.addIndicators = function() {        if (!this.indicatorsAdded) {            if (this.properties.sittingPoints.length > 0) {                for (var i = 0; i < this.properties.sittingPoints.length; ++i) {                    this.indicator[i] = new SeatIndicator(this.properties, i);                }                this.indicatorsAdded = true;            }        }    }     this.removeIndicators = function() {        for (var i = 0; i < this.properties.sittingPoints.length; ++i) {            this.indicator[i].cleanup();        }    }     this.showIndicators = function(doShow) {        this.addIndicators();        if (this.indicatorsAdded) {            for (var i = 0; i < this.properties.sittingPoints.length; ++i) {                this.indicator[i].show(doShow);            }        }        hiddingSeats = !doShow;    }     function raySphereIntersection(origin, direction, center, radius) {        var A = origin;        var B = Vec3.normalize(direction);        var P = center;            var x = Vec3.dot(Vec3.subtract(P, A), B);        var X = Vec3.sum(A, Vec3.multiply(B, x));        var d = Vec3.length(Vec3.subtract(P, X));            return (x > 0 && d <= radius);    }     this.cleanup = function() {        this.standUp();        MyAvatar.clearReferential();        for (var i = 0; i < pose.length; i++){            MyAvatar.clearJointData(pose[i].joint);        }        Overlays.deleteOverlay(this.standUpButton);        for (var i = 0; i < this.indicator.length; ++i) {            this.indicator[i].cleanup();        }    };            this.createStandupButton = function() {        this.standUpButton = Overlays.addOverlay("image", {                                                 x: buttonPositionX, y: buttonPositionY, width: buttonWidth, height: buttonHeight,                                                 subImage: { x: buttonWidth, y: buttonHeight, width: buttonWidth, height: buttonHeight},                                                 imageURL: buttonImageUrl,                                                 visible: false,                                                 alpha: 1.0                                                 });    };     this.handleClickEvent = function(event) {        var clickedOverlay = Overlays.getOverlayAtPoint({x: event.x, y: event.y});         if (clickedOverlay == this.standUpButton) {            seat.model = null;            this.standUp();        } else {            this.addIndicators();            if (this.indicatorsAdded) {                var pickRay = Camera.computePickRay(event.x, event.y);                                       var clickedOnSeat = false;                 for (var i = 0; i < this.properties.sittingPoints.length; ++i) {                   if (raySphereIntersection(pickRay.origin,                                             pickRay.direction,                                             this.indicator[i].position,                                             this.indicator[i].scale / 2)) {                       clickedOnSeat = true;                       seat.model = this.entityID;                       seat.position = this.indicator[i].position;                       seat.rotation = this.indicator[i].orientation;                   }                }                 if (clickedOnSeat) {                   passedTime = 0.0;                   startPosition = MyAvatar.position;                   startRotation = MyAvatar.orientation;                   try{ Script.update.disconnect(standingUpAnimation); } catch(e){}                   try{ Script.update.disconnect(sittingDownAnimation); } catch(e){}                   Script.update.connect(goToSeatAnimation);                }            }        }    };      // All callbacks start by updating the properties    this.updateProperties = function(entityID) {        if (this.entityID === null) {            this.entityID = entityID;        }        this.properties = Entities.getEntityProperties(this.entityID);    };     this.unload = function(entityID) {        this.cleanup();        Script.update.disconnect(update);    };        this.preload = function(entityID) {        this.updateProperties(entityID); // All callbacks start by updating the properties        this.createStandupButton();        Script.update.connect(update);    };      this.hoverOverEntity = function(entityID, mouseEvent) {         this.updateProperties(entityID); // All callbacks start by updating the properties        this.showIndicators(true);    };     this.hoverLeaveEntity = function(entityID, mouseEvent) {         this.updateProperties(entityID); // All callbacks start by updating the properties        this.showIndicators(false);    };         this.clickDownOnEntity = function(entityID, mouseEvent) {         this.updateProperties(entityID); // All callbacks start by updating the properties        this.handleClickEvent(mouseEvent);    };      this.clickReleaseOnEntity = function(entityID, mouseEvent) {         this.updateProperties(entityID); // All callbacks start by updating the properties    };     })