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Question by Tobias Reich · Oct 22, 2013 at 11:33 AM · grassterrainsdetailsprototype

How to create a detail (Grass) prototype

Hello everyone, I'm new to Unity but I want to try to generate a Landscape from the script. For that reason I wanted to instantiate grass details. When looking at forums and tutorials I always see that they just instantiate a "DetailPrototype". But I don't know how t$$anonymous$$s object has to look like.

Is that a prefab from the Editor w$$anonymous$$ch I just load (somehow)?

Or is that completely created by code like new DetailPrototype(GrassTexture, Size,...)

I'm a bit lost here. Hopefully someone might help me with that.

Furthermore, how can I (in general) apply a Detail to my terrainData? I understand, that I need to use the GetDetailLayer() to get my Layers-Array. So I write terrainData.GetDetailLayer(0, 0, terrainData.detailWidth, terrainData.detailHeight, 0); w$$anonymous$$ch gives me back an 2D int[,] array. I understand it so far that I have to enter the integer value for a certain detail here (e.g. 0 = stone, 1 = grass...) but how do I link the number to the prototype I want to instantiate?

terrainData.detailPrototypes.Length returns 0 so it looks like I did somet$$anonymous$$ng wrong.

Thank you very much, Tobias

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