/*
    The volt 2016 portable charger is smaller and has no way to be attached
    or hook to something. It has some slides/hook on the back. So this
    is the project. A handle to suspend it somewhere plus a support for the wire.
*/
use <../cadlib.h>
// allviews hook handle
// printviews hook,handle:h50
// viewsopts h2
// testviews testhook assembly
// viewsopts h2 fill80

include </tmp/viewsel/volt-charger-hook.h>

// Key dimensions
    len=100;
    width=10;
    thick=4;
    thick2=2;
    thick3=4;
    tongl=10;

module hook(){

    path=[[len/2-tongl,0],[len,0],[len,thick],[len/2,thick],[len/2,thick+thick2],
        [len/2+tongl,thick+thick2],[len/2+tongl,thick+thick2+thick3],
        [0,thick+thick2+thick3],[0,thick+2],
        [len/2-tongl,thick+2],[len/2-tongl,0]];
    difference(){
        union(){
            linear_extrude(width) polygon(path);
            translate([len/2+10,-18.5,0]) 3darc(23,5,width,90,90+190,30);
            translate([0,thick+3,0]) rotate([0,0,-43]) cube([65,thick,width]);
        }
        union(){
            translate([len-8,0,width/2]) rotate([-90,0,0])cylinder(r=2,h=thick+2);
            if (false){
                translate([len-25,0,width/2]) rotate([-90,0,0])cylinder(r=2,h=thick+2);
                translate([len/2+2*tongl,0,width/2])
                    rotate([-90,0,0])cylinder(r=2,h=thick+2);
            }
        }
    }
}

module testhook(){
    cubex=tongl*2+13;
    cubey=thick+thick2+thick3;
    intersection(){
        hook();
        translate([len/2-10,0,0]) cube([cubex,cubey,width]);
    }
}

module handle(){
    len=44;
    thick2=thick+2;
    width2=width+2;
    difference(){
        union(){
            off=14;
            translate([0,-width/2,0]) cube([off,width,thick]);
            translate([off,-width2/2,0]) cube([len-off,width2,thick2]);
        }
        union(){
            translate([len-20,0,-1]) cylinder(r=2,h=thick2+2,$fn=20);
            //translate([len-30,0,0]) cylinder(r=2,h=thick);
        }
    }
    translate([len+20-4,0,7/2]){
        if (false){
            difference(){
                cylinder(r=22,h=4,$fn=40);
                cylinder(r=15,h=4,$fn=40);
            }
        }else{
            donut(18,7,40);
        }
    }
}
module main_view(view){
if (view == "hook"){
    hook();
}else if (view == "testhook"){
    testhook();
}else if (view == "handle"){
    handle();
}else if (view == "assembly"){
    translate([63,10,width/2]) rotate ([90,0,0]) handle();
    hook();
}
}