Locate theme template path

Templates.php

<?php
namespace PublicFunctionOrg\WordPress;
class Templates {
    private $theme_dir = "/my-plugin-templates/";

    public function get_template_path($template){
        if ( $overridden_template = locate_template( $this->theme_dir.$template ) ) {
            return $overridden_template;
        }
        return false;
    }
}

$templates = new Templates();
$filepath = $templates->get_template_path("my-template.php");