Sending information/mesh to the server

"use strict"

// register the application module
b4w.register("test_geometry", function(exports, require) {

// import modules used by the app
var m_app  = require("app");
var m_cfg  = require("config");
var m_data = require("data");
var m_ver  = require("version");
var m_scs  = require("scenes");
var m_geom = require("geometry");
var m_obj  = require("objects");
var m_stor = require("storage");

// detect application mode
var DEBUG = (m_ver.type() === "DEBUG");

// automatically detect assets path
var APP_ASSETS_PATH = m_cfg.get_std_assets_path() + "test_geometry/";

var _indices = new Uint16Array([0,1,2,3,4,5]);
var _changed_positions = new Float32Array([0,1,0, -1,0,1, 1,0,-1, 1,0,-1, -1,0,1, 1,0,1]);
var _default_positions = new Float32Array([-1,0,-1, -1,0,1, 1,0,-1, 1,0,-1, -1,0,1, 1,0,1]);

/**
 * export the method to initialize the app (called at the bottom of this file)
 */
exports.init = function() {
    m_stor.init("test_geometry");
    m_app.init({
        canvas_container_id: "main_canvas_container",
        callback: init_cb,
        show_fps: DEBUG,
        console_verbose: DEBUG,
        autoresize: true
    });
}

/**
 * callback executed when the app is initizalized 
 */
function init_cb(canvas_elem, success) {

    if (!success) {
        console.log("b4w init failure");
        return;
    }

    load();
}

/**
 * load the scene data
 */
function load() {
    m_data.load(APP_ASSETS_PATH + "test_geometry.json", load_cb);
}

/**
 * callback executed when the scene is loaded
 */
function load_cb(data_id, success) {

    if (!success) {
        console.log("b4w load failure");
        return;
    }

    m_app.enable_controls();
    m_app.enable_camera_controls();
    var plane = m_scs.get_object_by_name("Plane");
    document.getElementById("def_geom").onclick = function() {
        geometry_change(plane, "Material", _default_positions);
        remember_positions(_default_positions);
    }
    document.getElementById("chan_geom").onclick = function() {
        geometry_change(plane, "Material", _changed_positions);
        remember_positions(_changed_positions);
    }
    var positions_str = m_stor.get("positions");
    if (positions_str) {
        var positions_float = new Float32Array(positions_str.toString().split(",").map(parseFloat));
        geometry_change(plane, "Material", positions_float);
    }
}

function geometry_change(obj, material_name, positions) {
    m_geom.override_geometry(obj, material_name, _indices, positions, false);
    m_obj.update_boundings(obj);
}

function remember_positions(positions) {
    m_stor.set("positions", positions.toString());
}

});

// import the app module and start the app by calling the init method
b4w.require("test_geometry").init();