# Collisions

## Overview

The Collision rollout enables preventing elements from accidental overlapping.

![](https://3157212555-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M79qeVXsEFgtyQoo65a%2F-MUQZJQyXKR5PUMT6zLO%2F-MUSz1k7vo_SBaPI4UwE%2FDISTR_COLLISIONS.jpg?alt=media\&token=19882795-254e-4c26-844c-83b8ef21cf7f)

**Level** - Defines the position of the virtual bounding sphere encapsulating the geometry. Value is expressed as the percentage of the individual entity height.\
**Size** - Influences the size of the virtual bounding sphere encapsulating the geometry. Value is expressed as the percentage of the individual entity size parameter.

{% hint style="warning" %}
Keep in mind that using it isn't a cure for all evil. In a situation where [Distribution ](https://help.rhinonature.com/manual/distribution)settings are suboptimal, enabling it may bring unnecessary extra workload and impact the performance of the population process without giving better results.
{% endhint %}