cx-module-wall/assets/platform.scad

include <../config/platform.scad>
include <../config/thread.scad>
include <corner.scad>
include <wall.scad>

function platform_full_support_depth() 
    = platform_support_depth
    + thread_height
    + platform_thickness;

module platform_mount_object() {
    rounding = corner_radius;

    holes_width 
    = platform_width 
    - rounding * 2 
    - thread_screw * 2
    - platform_side_thickness * 2;

    holes_height 
    = platform_height 
    - rounding * 2 
    - thread_screw * 2
    - platform_side_thickness;

    module base_shape() {
        move_x = platform_width / 2 - rounding;
        move_y = platform_height / 2 - rounding;
        
        hull() {
            corner(move_x, move_y); 
            corner(-move_x, move_y); 
            corner(move_x, -move_y); 
            corner(-move_x, -move_y); 
        }
    }
    
    base_thickness
    = platform_thickness
    + thread_height;

    module base_object() {
        linear_extrude(height = base_thickness, center = true) {
            base_shape();
        }
    }

    module bottom_object() {
        center = base_thickness / 2 - thread_height / 2;

        render() {
            difference() {
                base_object();
                
                translate([0, 0, center]) {
                    rotate([180, 0, 0]) {
                        width = holes_width;
                        height = holes_height;
                        thickness = platform_thickness;

                        wall_thread_object(width, height, thickness);
                    }
                }
            }
        }
    }

    module side_shape() {
        module cutout_shape() {
            move_x 
            = platform_width / 2 
            - platform_side_thickness
            - rounding;

            move_top_y 
            = platform_height / 2 
            - platform_side_thickness
            - rounding;
            
            move_bottom_y 
            = -platform_height / 2
            + rounding;

            hull() {
                corner(move_x, move_top_y);
                corner(-move_x, move_top_y);
                corner(move_x, move_bottom_y, false);
                corner(-move_x, move_bottom_y, false);
            }
        }

        module bottom_cutout_shape() {
            bottom
            = rounding / 2
            - platform_height / 2;
            
            translate([0, bottom]) {
                square([platform_width, rounding], center = true);
            }
        }

        render() {
            difference() {
                base_shape();
                cutout_shape();
                bottom_cutout_shape();
            }
        }
    }

    module side_object() {
        thickness = platform_support_depth;

        linear_extrude(height = thickness, center = true) {
            side_shape();
        }
    }

    bottom_center 
    = thread_height / 2
    + platform_thickness / 2
    - platform_full_support_depth() / 2;

    side_center 
    = platform_support_depth / 2
    + thread_height
    + platform_thickness
    - platform_full_support_depth() / 2;

    translate([0, 0, bottom_center]) {
        bottom_object();
    }

    translate([0, 0, side_center]) {
        side_object();
    }
}