StringWriter – Typewriter Text Utility for Unity

StringWriter is a small and efficient C# helper class for Unity that creates a typewriter-style text effect using TextMeshProUGUI.
It gradually displays text character by character, making it ideal for dialogue systems, storytelling UI, loading hints, or any other animated text display.

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➡️ Features

• Simple setup with just a few lines of code
• Adjustable writing speed
• Optimized with StringBuilder for better performance
• Fully compatible with Unity Coroutines
• Open source under the MIT License

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🧾 How It Works

When you create a StringWriter instance, you provide:

1. A TextMeshProUGUI object (the target text element).
2. A string containing the text to display.

The coroutine writer() appends one character at a time to the target text element, waiting a configurable amount of time between each update.
By default, each character appears every 0.1 seconds, but you can easily adjust this value.

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✅ How it looks

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💻 Example Usage

usingUnityEngine;usingTMPro;usingSystem.Collections;publicclassExampleUsage:MonoBehaviour{publicTextMeshProUGUItextUI;privateStringWriterstringWriter;voidStart(){// Create a new StringWriter instance with the target text object and messagestringWriter=newStringWriter(textUI,"Hello, this is a typewriter text effect!");// Start the coroutine at 0.05 seconds per characterStartCoroutine(stringWriter.writer(0.05f));}}