include <globals.scad>;

use <headband.scad>;
use <chamfer.scad>;
use <catear_headband.scad>;

HEIGHT=18;

module catear_headband(debug=DEBUG, size=SIZE, height=HEIGHT, thickness=THICKNESS, part=PART, stretch_len=STRETCH_LEN, tip_len=TIP_LEN, tip_bend=TIP_BEND, ear_scale=1.5, ear_bend_factor=0.15, ear_stretch_factor=1.2, ear_angle=42, chamfer=CHAMFER, chamfer_shape=CHAMFER_SHAPE, with_rake=true, details=true) {

  $a=size/2*ear_scale;
  $delta=2*(acos($a/(size*2))-90);
  ear_offset=size*sin(90-$delta/2);

  union() {
    rotate( ear_angle, [0, 0, 1]) {
      translate([-ear_offset, 0, 0]) catear_v1(
        debug=debug,
        height=height,
        thickness=thickness,
        side_len=size/2*ear_scale,
        bend_factor=ear_bend_factor,
        stretch_factor=ear_stretch_factor,
        chamfer=chamfer,
        chamfer_shape=chamfer_shape,
        details=details
      );
    }
    rotate(-ear_angle, [0, 0, 1]) {
      translate([-ear_offset, 0, 0]) catear_v1(
        debug=false,
        height=height,
        thickness=thickness,
        side_len=size/2*ear_scale,
        bend_factor=ear_bend_factor,
        stretch_factor=ear_stretch_factor,
        chamfer=chamfer,
        chamfer_shape=chamfer_shape,
        details=details
      );
    }
    headband(
      size=size,
      height=height,
      thickness=thickness,
      part=part,
      stretch_len=stretch_len,
      tip_len=tip_len,
      tip_bend=tip_bend,
      with_rake=with_rake,
      details=false
    );
  };
}

difference() {
  translate([0, 0, HEIGHT/2])
    catear_headband(chamfer=0, with_rake=false);
  translate([0, 0, 6]) {
    cube([100, 100, HEIGHT]);
    rotate(90) cube([100, 100, HEIGHT]);
    rotate(180) cube([100, 100, HEIGHT]);
    translate([0, -60, HEIGHT/2]) rotate(35) cube([70, 70, HEIGHT], center=true);
    rotate(-90+180*PART, [0, 0, 1])
      translate([0, -SIZE, HEIGHT-6])
        color("orange")
          rotate([90, 0, 0])
            cylinder(r=HEIGHT-6, h=2*THICKNESS, center=true);
  } 
}