Trackball/hardware/external/led_ring.scad

include<../config.scad>; 
include<../util.scad>;

led_ring(cutout=true);

module led_ring(cutout=false,extra =0)
{
    play=(cutout ? 0.1 : 0);

    // pcb ring
    color(cutout? "green": "gray")
    translate([0,0,-extra + (cutout ? 1.3 : 0)])
    difference()
    {
        
        cylinder(d=48+play*2,h=1.6 + extra);
        eps()
        cylinder(d=30.8-play*2,h=1.6 + extra + $e*2);
    }

    // leds on the ring
    for(r=[0:360/16:360])
    rotate([0,0,r])
    translate([38.8/2,0,$e])
    if(cutout==false) {
        difference() {
            color("white")
            translate([-5/2,-5/2,0])
            cube([5,5,2.9-$e]);

            color([(r/4)%1,(r/7)%1,(r/10)%1])
            translate([0,0,2.9-0.3])
            cylinder(d1=2.5,d2=3,h=0.3);
        }
    } else {
        hull() {
            translate([0,0,2.9])
            rotate([0,-30,0])
            cylinder(d1=3,d2=10,h=10);

            translate([0,0,2.9])
            cylinder(d=3,h=$e);
        }
    }
}