How do I make a joint of different instances

Hello,

I try to make a snake, that is made of balls.

Balls - are the different instances of one sprite.

At first moment i have only head (first instance).

When i press "space" button, another instance is creating and i want to connect it to head, using revolute joint.

To do it, i pick the object, that was created , then i choose an action "create phisic limited revolute joint",

but i can't understand how to point the instance i want to connect to.

There is no problems, when the head is a different sprite, but i want to use an instance of the same sprite.

Thanks

Create a family with this sprite.

You will be able to pick to one sprite instance and one family instance in the same event and then create a physics joint between them.

Thank you,

unfortunately families are not available in free version,

is creating a family the only way ?

AFAIK the only way to do it without families is to use two separate body segment objects (they can look the same), and alternate each segment.

The chipmunk physics behavior is another way. You just specify the uid of the other object to connect to with it.