Take your game to the next level with realistic movements and interactions using Unity’s physics engine!

Unity Quick Tips: Implementing Basic Physics in Unity (Rigidbody)

Part 3 of Our Bite-Sized Unity Tips and Tricks for Beginners

Welcome to Part 3 of our series of bite-sized Unity tips and tricks for beginners! In this article, we’re going to show you how to implement physics in Unity using rigidbodies. Whether you’re creating a game or another interactive application, physics can add a level of realism and interactivity to your scene. This code assumes you have placed a Rigidbody2D component on your game object.

Here’s the code sample:

using UnityEngine;

public class ApplyPhysics : MonoBehaviour
{
    public Rigidbody2D rigidbody;

    private void Start()
    {
        rigidbody = GetComponent<Rigidbody2D>();
    }

    private void FixedUpdate()
    {
        rigidbody.AddForce(Vector2.right * 10f);
    }
}

In this script, we use the Rigidbody2D component to add physics to the object. First, we declare a public Rigidbody2D variable and use the GetComponent method to get a reference to the component in the Start function. Then, in the FixedUpdate function, we use the…