include <design.scad>
include <helpers.scad>
include <body_config.scad>

// up to 0.7 inside measurement range, but can be bigger outside.
// non-ideal printing/manufacturing is also possible
laser_ray_thickness = 1;

// create a body of laser with diameter `d` and
// length `l`.
// the ray starts at the origin
module laser_body(d = default_laser_d, l = default_laser_l)
{
    rotate([-90, 0, 0])
    translate([0, 0, -l])
    cylinder($fn = diameterToFn(d), d = d, h = l);
    
    // visible ray
    zBase = $actualZBaseMm;
    farZ = zBase + $actualZRangeMm;
    
    // non-valid
    color("red", 0.15)
    *polygon(
        [[0, 0],
        [$actualXStartMm / 2, zBase],
        [-$actualXStartMm / 2, zBase]]);

    // non-valid, should ignore laser pos
    // TODO: visualize laser beam
    color("red", 0.3)
    *polygon(
        [[$actualXStartMm / 2, zBase],
        [-$actualXStartMm / 2, zBase],
        [-$actualXEndMm / 2, farZ],
        [$actualXEndMm / 2, farZ],]);
}

*laser_body();