/*  Copyright © 2020 tastytea <tastytea@tastytea.de>
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as published by
 *  the Free Software Foundation, version 3.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Affero General Public License for more details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

/* A side table. Units are supposed to be cm.
 * You will need for this build:
 *   - 1 kind of lath
 *   - 1 kind of board
 *   - A saw (unless you have matching materials)
 *   - A drill
 *   - A screwdriver
 *   - A few screws
 *   - A rasp
 *   - A file (optional)
 *   - Sandpaper
 */

include<roundedcube.scad>;

$fs = 0.1;

table_width = 40.0;   /* x */
table_depth = 30.0;   /* y */
table_height = 80.0;  /* z */
table_overhang = 2.0; /* Space between edge of table and leg. */

tabletop_height = 2.0; /* z */

leg_width = 4.0;                             /* x */
leg_depth = 4.0;                             /* y */
leg_height = table_height - tabletop_height; /* z */

module basic_side_table()
{
    echo("Leg height", leg_height);

    module legs()
    {
        for (x = [table_overhang, table_width - leg_width - table_overhang])
        {
            for (y = [table_overhang, table_depth - leg_depth - table_overhang])
            {
                translate([x, y, 0])
                {
                    cube(
                        [leg_width, leg_depth, table_height - tabletop_height]);
                }
            }
        }
    }

    module bracings()
    {
        z = leg_height - ceil(leg_height / 3);
        echo("bracings start at height", z, "from bottom");
        echo("bracings start at height", leg_height - z - leg_depth,
             "from leg top");

        for (x = [table_overhang, table_width - table_overhang - leg_width])
        {
            translate([x, table_overhang + leg_depth, z])
            {
                cube([
                    leg_width,
                    table_depth - (leg_depth * 2) - (table_overhang * 2),
                    leg_depth
                ]);
            }
        }
    }

    module top()
    {
        translate([0, 0, table_height - tabletop_height])
        {
            roundedcube(size = [table_width, table_depth, tabletop_height],
                        radius = 0.3);
        }
    }

    color("Tan")
    {
        legs();
    }

    if ((table_height / leg_width) > 10)
    {
        color("SandyBrown")
        {
            bracings();
        }
    }

    color("BurlyWood")
    {
        top();
    }
}

basic_side_table();