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I've got some grass I am using for my game.

enter image description here

However, it is very vertex intensive. It looks great close up, but here is a screenshot of the bush far away (rendered in-game):

enter image description here

As you can see, I can barely see any of that detail in the first blender image! All these vertices are going to waste on extra processing and add nothing to the game.

The obvious option is to decimate it: enter image description here

However, that makes the grass THINNER when I decimate it (Loading the model into the game, I cannot even see it due to how thin the "blades of grass" are). I would prefer something that merges the bits of grass together to make it more into one big clump with less vertices.

I would basically like to decimate the object but allow it to keep it's current shape.

How can I do that?

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    $\begingroup$ If you aren't going to see the grass from very close up, you might want to create a transparent texture to use on a 2D plane. $\endgroup$ – gandalf3 Nov 18 '14 at 0:45
  • $\begingroup$ @gandalf3 I'm working on that. I can't get the damn thing to load in-game. Texture refuses to work. I'll post that on StackOverflow if I continue to have a lack of success. By the way, the grass can be seen from close up, but obviously not all grass will be seen close up. Wait....... transparent textures work in LWJGL? I thought I had to use a transparency shader? $\endgroup$ – Joehot200 Nov 18 '14 at 0:46
  • $\begingroup$ I recommend to rebuild it from scratch, and use particles, so that the unit object is controllable. $\endgroup$ – Leon Cheung Nov 18 '14 at 3:15

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