Gamemaker Studio 2 Gml [hot] -

// Bottom-Left (Back) draw_vertex_color(_x - _xc + _x_off, _y - _yc + _y_off, _col_edge, 1); // Top-Left (Back) draw_vertex_color(_x - _xc + _x_off, _y - _yc + _h + _y_off, _col_edge, 1);

Memorize these. They are the bread and butter of GMS2. gamemaker studio 2 gml