include <../utils/core/core.scad>

use <spring.scad>

use <../utils/rounded_cylinder.scad>

function battery_length(type) = type[2]; //! Total length including terminals

function battery_diameter(type) = type[3]; //! Casing diameter

function battery_neg_dia(type) = type[4]; //! Negative terminal diameter

function battery_pos_dia(type) = type[5]; //! Positive terminal diameter

function battery_pos_height(type) = type[6]; //! Positive terminal height above the casing

function battery_colour(type) = type[7]; //! Casing colour

function battery_led_positions(type) = type[8]; //! LED positions for Lumintop

function battery_usb_offset(type) = type[9]; //! USB connector offset from the top

function battery_contact(type) = type[10]; //! Contact type

module battery_led_positions(type) { //! Position of the LEDs on a Lumintop

posns = battery_led_positions(type);

for($i = [0 : 1 : len(posns) - 1])

translate([posns[$i].x, posns[$i].y, battery_length(type) / 2 - battery_pos_height(type)])

children();

}

module battery(type) { //! Draw a battery

vitamin(str("battery(", type[0], "): ", type[1]));

len = battery_length(type);

l = 6;

iw1 = 7;

iw2 = 5.7;

ih1 = 1;

ih2 = 1.85;

h = 2.65;

t = 0.4;

module D() {

hull() {

translate([-iw1 / 2, h - t - ih1])

square([iw1, ih1]);

translate([-iw2 / 2, h - t - ih2])

square([iw2, ih2]);

}

}

color(battery_colour(type)) render() difference() {

translate_z(-battery_pos_height(type) / 2)

cylinder(d = battery_diameter(type), h = len - battery_pos_height(type), center = true);

if(battery_usb_offset(type))

translate([battery_diameter(type) / 2, 0, len / 2 - battery_usb_offset(type) + h / 2])

rotate([-90, 0, 90])

linear_extrude(height = l + 1)

offset(delta = t)

D();

}

color("gold")

translate_z(len / 2 - battery_pos_height(type))

rounded_cylinder(r = battery_pos_dia(type) / 2, h = battery_pos_height(type) + eps, r2 = 0.5);

color("silver") {

if(battery_usb_offset(type))

translate([battery_diameter(type) / 2 - 1, 0, len / 2 - battery_usb_offset(type) + h / 2])

rotate([-90, 0, 90]) {

linear_extrude(height = l)

difference() {

offset(t) D();

D();

}

translate_z(l - 1)

linear_extrude(height = 1)

D();

}

translate_z(-len / 2)

vflip()

cylinder(d = battery_neg_dia(type), h = eps);

}

battery_led_positions(type)

color(["red","green","blue"][$i])

cylinder(d = 1.5, h = eps);

}

function contact_width(type) = type[1]; //! Width of the flat part

function contact_height(type) = type[2]; //! Height of the flat part

function contact_thickness(type) = type[3]; //! Thickness of the metal

function contact_tab_width(type) = type[4]; //! Width of the tab

function contact_tab_length(type) = type[5]; //! Length of the tab

function contact_pos(type) = type[6]; //! Positive contact dimple height and top and bottom internal diameter

function contact_neg(type) = type[7]; //! Negative spring height above the plate when compressed and the spring type

module battery_contact(type, pos = true) { //! Draw a positive or negative battery contact for specified battery

vitamin(str("battery_contact(", type[0], ", ", pos, "): Battery ", pos ? "positive" : "negative", " contact"));

neg = 9;

tw = contact_tab_width(type);

h = contact_height(type);

hole_y = -contact_tab_length(type) + tw / 2;

t = contact_thickness(type);

color("silver") {

rounded_rectangle([contact_width(type), h, t], r = 1, center = false);

translate([0, -h / 2, t])

rotate([90, 0, 0])

linear_extrude(height = t)

difference() {

hull() {

translate([-tw / 2, -1])

square([tw, 1]);

translate([0, hole_y])

circle(d = tw);

}

translate([0, hole_y])

circle(tw / 4);

}

if(pos) {

p = contact_pos(type);

cylinder(d1 = p.z + 2 * t, d2 = p.y + 2 * t, h = p.x);

}

else {

p = contact_neg(type);

not_on_bom()

translate_z(t)

comp_spring(p.y, p.x - t);

}

}

}