from openscad import *
from collections import namedtuple
from collections import OrderedDict
Button=namedtuple('Button', ['body', 'label'])

width = 10.8;
height = 6.9;
depth = 4.8;
stopper_extra_width = -1.9;
stopper_extra_height = 1;
stopper_depth = 2.4;

text_size = 2.8;
text_depth = 0.4;

distance = 5;

def button(caption):
    label=text(
        caption, halign="center", valign="center",
        size=text_size, font="Arial:style=Black"
    ).linear_extrude(text_depth)

    stopper=union(
        square(
            [width+stopper_extra_width,
             height+stopper_extra_height],
            center=True
        ),
        square([width,height], center=True)
    ).linear_extrude(stopper_depth)

    body=square([width, height], center=True)\
        .linear_extrude(height)

    all = union(stopper, body.up(stopper_depth))
    all = all - label.up(stopper_depth+height-text_depth)

    return Button(
        body=all,
        label=label.up(stopper_depth+height-text_depth),
    )


all = [
    ["D", "MNU"],
    ["FPL", "PRC"],
    ["CLR", "ENT"],
    ["AP", "FD"],
    ["HDG", "ALT"],
    ["NAV", "VNV"],
    ["APR", "BC"],
    ["VS", "UP"],
    ["FLC", "DN"]
]

bodies=[]
labels=[]
for i, row in enumerate(all):
    for j, col in enumerate(row):
        b=button(col)
        def displace(o):
            return o.front(i*(width+distance))\
                    .right(j*(width+distance))

        bodies.append(displace(b.body.color("black")))
        labels.append(displace(b.label.color("white")))

exports={}
for i, body in enumerate(bodies):
    exports["body_%s" % i]=body
for i, label in enumerate(labels):
    exports["label_%s" % i]=label

show(union(*exports.values()))
export(exports,"buttons.3mf")