movable object that leave trail gamemaker

https://www.youtube.com/watch?v=x29Ok-VxHhw
Information about object: obj_tank

Sprite: spr_tank
Solid: false
Visible: true
Depth: 0
Persistent: false
Parent:
Children:
Mask:

No Physics Object

Create Event:

execute code:

tyre=5;//set inital tyre timer

Step Event:

execute code:

///movement code
if keyboard_check(ord('A'))
{
image_angle+=2;
direction=image_angle
}
if keyboard_check(ord('D'))
{
image_angle-=2;
direction=image_angle
}
if keyboard_check(ord('W'))
{
speed+=0.5;
}
if speed>20 speed=20;


speed-=0.2;//add friction
if speed<0 speed=0

execute code:

///tyre
tyre-=speed;

if tyre<0//if count, run the code
{
tyre=instance_create(x,y,obj_tyre);//create a tyre
tyre.image_angle=direction;//set angle to direction of tank
tyre=20;//restart timer
}

obj_tyre 

Information about object: obj_tank

Sprite: spr_tank
Solid: false
Visible: true
Depth: 
0
Persistent: false
Parent: 
Children: 
Mask: 


No Physics Object

Create Event:


execute code:

tyre=5;//set inital tyre timer



Step Event:


execute code:

///movement code
if keyboard_check(ord('A'))
{
image_angle+=2;
direction=image_angle
}
if keyboard_check(ord('D'))
{
image_angle-=2;
direction=image_angle
}
if keyboard_check(ord('W'))
{
speed+=0.5;
}
if speed>20 speed=20;


speed-=0.2;//add friction
if speed<0 speed=0

execute code:

///tyre
tyre-=speed;

if tyre<0//if count, run the code
{
tyre=instance_create(x,y,obj_tyre);//create a tyre
tyre.image_angle=direction;//set angle to direction of tank
tyre=20;//restart timer
}