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Rigidbody2D.IsTouching

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public function IsTouching(collider: Collider2D): bool;
public bool IsTouching(Collider2D collider);

Parameters

collider The collider to check if it is touching any of the collider(s) attached to this rigidbody.

Returns

bool Whether the collider is touching any of the collider(s) attached to this rigidbody or not.

Description

Check whether any of the collider(s) attached to this rigidbody are touching the collider or not.

It is important to understand that checking if colliders are touching or not is performed against the last physics system update i.e. the state of touching colliders at that time. If you have just added a new Collider2D or have moved a Collider2D but a physics update has not yet taken place then the colliders will not be shown as touching. The touching state is identical to that indicated by the physics collision or trigger callbacks.