Undertale Yellow script viewer

var j = 2;

i = ds_list_size(x_list) - 1;

while (i >= 0)

{

    var x0 = ds_list_find_value(x_list, i);

    var y0 = ds_list_find_value(y_list, i);

    var angle0 = 0;

    var image_alpha_trail = 1 / j;

    draw_sprite_ext(trail_sprite, 0, x0, y0, 1, 1, angle0, c_white, image_alpha_trail * image_alpha);

    j += 1;

    i -= 1;

}

draw_sprite_ext(sprite_index, image_index, x, y, 1, 1, image_angle, c_white, image_alpha);