overte/examples/entityScripts/changeColorOnTouch.js

//
//  changeColorOnTouch.js
//  examples/entityScripts
//
//  Created by Brad Hefta-Gaub on 11/1/14.
//  Additions by James B. Pollack @imgntn on 9/23/2015
//  Copyright 2014 High Fidelity, Inc.
//
//  ATTENTION:  Requires you to run handControllerGrab.js
//  This is an example of an entity script which when assigned to a non-model entity like a box or sphere, will
//  change the color of the entity when you touch it. 
//
//  Distributed under the Apache License, Version 2.0.
//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//

(function () {
    ChangeColorOnTouch = function () {
        this.oldColor = {};
        this.oldColorKnown = false;
    };

    ChangeColorOnTouch.prototype = {

        storeOldColor: function (entityID) {
            var oldProperties = Entities.getEntityProperties(entityID);
            this.oldColor = oldProperties.color;
            this.oldColorKnown = true;
            print("storing old color... this.oldColor=" + this.oldColor.red + "," + this.oldColor.green + "," + this.oldColor.blue);
        },

        preload: function (entityID) {
            print("preload");
            this.entityID = entityID;
            this.storeOldColor(entityID);
        },

        startTouch: function () {
            print("startTouch");
            if (!this.oldColorKnown) {
                this.storeOldColor(this.entityID);
            }
            Entities.editEntity(this.entityID, {
                color: {
                    red: 0,
                    green: 255,
                    blue: 255
                }
            });
        },

        continueTouch: function () {
            //unused here
            return;
        },

        stopTouch: function () {
            print("stopTouch");
            if (this.oldColorKnown) {
                print("leave restoring old color... this.oldColor=" + this.oldColor.red + "," + this.oldColor.green + "," + this.oldColor.blue);
                Entities.editEntity(this.entityID, {
                    color: this.oldColor
                });
            }
        }


    };

    return new ChangeColorOnTouch();
})