collisionsystem

noun
UK /kəˈlɪʒ.ən ˌsɪs.təm/
US /kəˈlɪʒ.ən ˌsɪs.təm/

A collision system is a set of rules that decides what happens when two things bump into each other.

The game's collision system stops your character from walking through walls.


OTHER MEANINGS

2. In video games, the code that checks when a player or object touches something else.

The collision system makes the ball bounce off the paddle.

3. In car safety, a set of parts and sensors that help protect people during a crash.

The new car's collision system warns the driver before a crash.

4. In science, a model that describes how particles or objects hit each other.

Scientists used a collision system to predict how the atoms would scatter.