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Question by VoiD_AUT · Feb 16, 2017 at 07:47 AM · c#terrainrandomspawningavoid

random obj. spawn on terrain, avoid defined areas

Hello I'm a 3d Artist and try to make my first game. I'm still learning C# & unity. My problem: I want to spawn objects (stones, small trees) on random locations on my terrain. I found this script and it worked well: [text][1] [1]: http://forum.brackeys.com/thread/random-objects/

The problem is that i have a vulcane and water on my terrain and i don't want to spawn objects in this areas. My thought was that maybe i could use my navmesh as spawnable area, but i don't know if this is possible. Any ideas/solutions about my problem?

Thank you in advance for your help.

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avatar image hexagonius · Feb 16, 2017 at 10:58 PM 0
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you could check each point against the areas you don't want them to appear and if they do generate again. like a circular area would just be a distance check towards the center. rectangle, compare x and z values...

avatar image VoiD_AUT · Feb 17, 2017 at 10:05 AM 0
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Good idea! But sounds very complexe when i have multiple ponds& streams, a river and the vulcane on a 1000x1000 terrain. Especially when my terrain isn't finished yet and every time i want to change something on the terrain i also have to change the code. Is it possible to define the areas with triggers? So i have a visualization of the areas and change them manually?

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Answer by toshibahan · Feb 17, 2017 at 11:49 AM

我建议你可以先放一些点,再在这些点周围随机位置出来,这样会更容易控制随机点的位置范围 I suggest that you can put some points first and then at these points around the random position out,it will be easier to control the random point of the location range

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Answer by VoiD_AUT · Feb 22, 2017 at 09:13 AM

Thank you very much. I needed some time for tweaking but finally it works. :-D I created the points with some empty objects and attached the spawn scripts on them.

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