The main door should be assigned as the connected body so the doggy door s hinge is dependent on the main door s rigidbody.
Unity how to use a hinge joint for a door.
You do notneed to assign a gameobject to the joint s connected bodyproperty.
Useful for emulating doors and finger joints.
Attaches a rigid body to another rigid body or a point in space at a shared origin and allows the rigid bodies to rotate around a specific axis from that origin.
More info see in glossary.
Use break force in order to make dynamic damage systems.
You do not need to assign a connected body to your joint for it to work.
Published on mar 21 2013 using a test scene to try out break forces for swinging doors in unity.
Multiple hinge joints can also be strung together to create a chain.
It is perfect for doors but can also be used to model chains pendulums and so on.
Add a joint to each link in the chain and attach the next link as the connected body.
The hinge will rotate at the point specified by the anchorproperty moving around the specified axisproperty.
A single hinge joint should be applied to a gameobject.
You can use this to allow the player to damage the environment.