vert(corner, color);
        vert(corner + thickness, color);

        vert({corner.x + width, corner.y}, color);
        vert({corner.x + width - thickness, corner.y + thickness}, color);

        vert(corner + glm::vec2(width, height), color);
        vert(corner + glm::vec2(width, height) - thickness, color);

        vert({corner.x, corner.y + height}, color);
        vert({corner.x + thickness, corner.y + height - thickness}, color);

        // Complete the loop
        vert(verts[0], color);
        vert(verts[1], color);