Read Texture Data from C# Scripts | Unity Tutorial
In this Unity tutorial you'll learn how to sample texture data from within your C# scripts and do something based on the sampled result. Specifically today we'll be using the grayscale value of the colors to choose a weighted random pixel. Once we know that we'll be updating a virtual texture on a SpriteRenderer to show us the bounds of where we were sampling and the specific pixel sampled each time.
Reading texture data in your scripts has a wide variety of applications in Unity. From Editor Scripting to show brushes, to runtime weighted bullet spread there's as many options as you can come up with!
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👨💻As always, all code from this video is available on GitHub: https://github.com/llamacademy/read-t...
📚 Resources
⚫ Get Pixels: https://docs.unity3d.com/ScriptRefere...
⚫ Get Raw Texture Data: https://docs.unity3d.com/ScriptRefere...
⚫ Create Sprite: https://docs.unity3d.com/ScriptRefere...
⚫ Create Texture2D: https://docs.unity3d.com/ScriptRefere...
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Chapters:
00:00 Topic Introduction
01:30 Variables & Setup - SampleTextureOnClick.cs
02:48 Handling Click - SampleTextureOnClick.cs
03:03 Sampling a Texture with Weighted Random Grayscale - SampleTextureOnClick.cs
05:55 Mapping 1D Color Array to 2D Pixel Coordinates - SampleTextureOnClick.cs
07:16 Writing to a Texture - SampleTextureOnClick.cs
07:36 Become a Supporter
08:08 IMPORTANT Texture Settings & Demo
08:49 Performance Considerations
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