How to make a warp ring

//draw_sprite

draw_sprite_ext(sprite_index, image_index, floor(x), floor(y), image_xscale, image_yscale, image_angle, image_blend, image_alpha);

image_speed=0.125;

activated=false;

if activated==true

{

global.main_player.visible=false;

global.main_player.x=x;

global.main_player.y=y;

}

if other.ai_flag == false && activated =false{

instance_create(view_xview[0]+0,view_yview[0]+0,obj_fade_in_white)

sprite_index=spr_big_ring_die;

image_speed=0.25;

image_index=0;

activated=true;

}

if sprite_index==spr_big_ring_die

{

global.restart_x = -1;

          global.restart_y = -1;

room_goto(rm)

}

draw_set_color(c_white);

draw_set_font(global.fnt_abc_main);

draw_set_halign(fa_center)

draw_self()

draw_text(x,y,txt)

rm=rm_zone_test; txt="Test Zone"