# Constant Collision The constant collision nodes detect ongoing collisions that involve Unity colliders. ## Collider Contains Point Determines whether a point in 3D space is within the bounds of a collider.
**Inputs:**
NameTypeDescription
ColliderColliderA reference to the collider that will be tested.
PointVector3 [editable]The point in 3D space that will be checked to determine if it's within the collider.
**Outputs:**
NameTypeDescription
OutputBooleanTrue if the point is within the bounds of the collider. False otherwise.
## Collision Advanced Determines if there is currently a collision between two colliders. Outputs true if there is a collision and false if there isn't. The `Collision Advanced` node uses the standard Unity rules to determine collisions. For more information, refer to the [Introduction to collision](https://docs.unity3d.com/2022.2/Documentation/Manual/CollidersOverview.html) section of the Unity documentation. This is the most computationally expensive constant collision node.
**Inputs:**
NameTypeDescription
Collider AColliderA reference to a collider.
Collider BColliderA reference to a collider.
**Outputs:**
NameTypeDescription
OutputBooleanTrue if there is a collision between Collider A and Collider B. Otherwise, false.
## Collision Approximate Determines if two colliders overlap. Outputs true if they overlap and false if they don't. The `Collision Approximate` node assumes that collider shapes are uniformly scaled, and looses accuracy as the non-uniformity increases. This is the least computationally expensive constant collision node that compares two colliders.
**Inputs:**
NameTypeDescription
Collider AColliderA reference to a collider.
Collider BColliderA reference to a collider.
**Outputs:**
NameTypeDescription
OutputBooleanTrue if there is a collision between Collider A and Collider B. Otherwise, false.
## Collision Bounds Determines if the bounding boxes of two colliders overlap. Outputs true if they overlap and false if they don't.
**Inputs:**
NameTypeDescription
Collider AColliderA reference to a collider.
Collider BColliderA reference to a collider.
**Outputs:**
NameTypeDescription
OutputBooleanTrue if there is a collision between Collider A and Collider B. Otherwise, false.