---
title: "IF Statements"
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last_updated: "2026-08-04T14:23:18.000Z"
---

# IF Statements

Learn to use IF statements in C# to control code execution based on conditions.

How to use IF statements to set conditions in your code.

This tutorial is included in the [Beginner Scripting project](https://learn.unity.com/project/beginner-gameplay-scripting).

Previous: [Conventions and Syntax](https://learn.unity.com/tutorial/conventions-and-syntax?projectId=5c8920b4edbc2a113b6bc26a)

Next: [Loops](https://learn.unity.com/tutorial/loops-z2b?projectId=5c8920b4edbc2a113b6bc26a)

## 1. IF Statements

[Video](https://connect-mediagw.unity.com/h1/20220104/videos/36d17490-e85a-4c44-b578-b8227de109e0_U_Beginner_4_IFstatements.mp4) ([Transcript (en)](https://connect-mediagw.unity.com/h1/20220104/4bf9e91f-74e0-4192-b866-b48a10db8f8e_B_04_If_Statements_V2.0.vtt))

```csharp
using UnityEngine;
using System.Collections;

public class IfStatements : MonoBehaviour
{
    float coffeeTemperature = 85.0f;
    float hotLimitTemperature = 70.0f;
    float coldLimitTemperature = 40.0f;
    

    void Update ()
    {
        if(Input.GetKeyDown(KeyCode.Space))
            TemperatureTest();
        
        coffeeTemperature -= Time.deltaTime * 5f;
    }
    
    
    void TemperatureTest ()
    {
        // If the coffee's temperature is greater than the hottest drinking temperature...
        if(coffeeTemperature > hotLimitTemperature)
        {
            // ... do this.
            print("Coffee is too hot.");
        }
        // If it isn't, but the coffee temperature is less than the coldest drinking temperature...
        else if(coffeeTemperature < coldLimitTemperature)
        {
            // ... do this.
            print("Coffee is too cold.");
        }
        // If it is neither of those then...
        else
        {
            // ... do this.
            print("Coffee is just right.");
        }
    }
}
```