Changing text color while writing it one character at a time in a text field.

Question

Hi!

I'm developing a game with a text box based dialogue system, like old jrpgs. I read the dialogue text from file and I write it one character at a time in a text field. If the player clicks a button, the entire line appears instantly.

I'm now trying to give more visual options to the text. I want to color only some words of a sentence. If I change the text field color it obviously works, but it applies the color to the whole field. If I use tags, it works when the whole sentence is written but it doesn't work while the text is showing one chararacter at a time.

I thought I could "read" the tag one character at a time while I'm displaying the text, ignore its characters and apply the color to what comes after it, but I don't know how I could apply the color to that.

How can I refer to some specific part of a text field so that I don't apply the color to the whole field?

This will also help me changing only some words text size.

Thank you in advance!

Luca.

Answer 1

Answer by majecty · Nov 18, 2018 at 01:38 AM

I created a library for this situation.

https://github.com/majecty/Unity3dRichTextHelper

 var richText = "<color=blue>blue</color>black";
 richText.RichTextSubString(3); // <color=blue>blu</color>
 richText.RichTextSubString(6); // <color=blue>blue</color>bl

You can use the tag and display the text one character at a time correctly.

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Changing text color while writing it one character at a time in a text field.

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