draw_set_alpha(1)
draw_set_blend_mode(bm_subtract)
draw_sprite_ext(sprite_index, -1, x, y, 2, 2, 0, -1, 1)
draw_sprite_ext(sprite_index, -1, x, y, -2, 2, 0, -1, 1)
draw_sprite_ext(sprite_index, -1, x, y, 2, -2, 0, -1, 1)
draw_sprite_ext(sprite_index, -1, x, y, -2, -2, 0, -1, 1)
draw_set_blend_mode(bm_normal)
draw_set_color(c_black)
draw_rectangle(view_xview[0], view_yview[0], (x - 128), (view_yview[0] + 240), false)
draw_rectangle((x - 128), view_yview[0], (x + 128), (y - 128), false)
draw_rectangle((x - 128), (y + 128), (x + 128), (view_yview[0] + 240), false)
draw_rectangle((x + 128), view_yview[0], (view_xview[0] + 320), (view_yview[0] + 240), false)