Contributing

Do you need a rigidbody for OnCollisionEnter?

Do you need a rigidbody for OnCollisionEnter?

It doesn’t have to be an non-kinematic rigidbody though – so if you have objects you don’t wanna do physics (like gravity) for, you can attach a rigidbody still to it, and set the kinematic checkbox. Then when that object hits your trigger or another object with OnCollisionEnter then it should work.

Do colliders work without rigidbody?

There is an option to add ‘isTrigger’ property in any collider and you can listen to TriggerEvent in your script. This will work without having a rigidbody at all.

How do you do a collision without rigidbody unity?

You want to walk in a collider area without using a rigidbody component attached to your game object? Just use OnTriggerEnter and check isTrigger on your collider. EDIT: Read this, and then this. To have collision between two of your objects one of them has to have a rigidbody component.

How do you know if two objects collide in unity?

So for instance if you want to check the name of the other object: OnTriggerEnter(Collider col) {…Then your object should have a “tag” or “name” you can compare the collision with for example:

  1. OnTriggerEnter(Collision sphere)
  2. {
  3. if(sphere. tag == “redMesh”)
  4. debug. log(“collided with redMesh”);
  5. }

What is a Rigidbody Unity?

Rigidbodies are components that allow a GameObject to react to real-time physics. This includes reactions to forces and gravity, mass, drag and momentum. You can attach a Rigidbody to your GameObject by simply clicking on Add Component and typing in Rigidbody2D in the search field.

What is kinematic Rigidbody Unity?

Description. Controls whether physics affects the rigidbody. If isKinematic is enabled, Forces, collisions or joints will not affect the rigidbody anymore. The rigidbody will be under full control of animation or script control by changing transform. position.

How do you know if something is touching something else Unity?

To check whether the player is touching a specific object: Go to your goal object. In the inspector window go to tags….

  1. void OnTriggerEnter(Collider other)
  2. {
  3. if (other. transform. tag == “Goal”)
  4. // Do stuff.
  5. }

Is it possible to use oncollisionenter without rigidbody?

Take our survey and let us know. [Solved] Use OnCollisionEnter or OnTriggerEnter without Rigidbody ? It possible to use OnCollisionEnter or OnTriggerEnter in object without rigidbody ? When using these I think both need at least one of the gameobjects to have a rigidbody for collision processing.

How to detect collisions without a rigidbody in Unity?

There is an option to add ‘isTrigger’ property in any collider and you can listen to TriggerEvent in your script. This will work without having a rigidbody at all. But you do need to have colliders on the objects that have to collide. There is an option to add ‘isTrigger’ property in any collider and you can listen to TriggerEvent in your script.

When to use oncollisionenter or kinematic checkbox?

It doesn’t have to be an non-kinematic rigidbody though – so if you have objects you don’t wanna do physics (like gravity) for, you can attach a rigidbody still to it, and set the kinematic checkbox. Then when that object hits your trigger or another object with OnCollisionEnter then it should work.

Can you have a collider without a rigidbody?

Caution: having Colliders without a Rigidbody is never a good idea unless the object in question is static. If an object without a Rigidbody moves, it’s Collider will not move with it!