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For library makers
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Quietly
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Canada
 
  Joined: 8/28/2004
  B-Day: 12/12/1800 (223)
  Posts: 294
 
 
Posted: Friday, May 17, 2024 at 7:19:01 AM | IP Logged

This game has been out for over 15 years now, and somehow, I just learned something new with the rough blades.

I always assumed the rough blade texture was applied to each blade in the same manner, like a photo of a grass blade applied to the little 3d blades in the game.

Turns out, I was wrong. There is actually the opportunity to create 8 different blades in each grass blade texture. The blade texture file is 64 pixels wide. The game divides that texture into 8 pixel wide sections. Each 8 pixel wide section is randomly used throughout the rough. That means all this time we could have been making much more dynamic looking rough.

I made a rough blade texture with 8 different colour bars, and the results in the game clearly show what I'm talking about. You can see in the attached image the blade texture top left, and the in-game results showing 8 distinct grass blades randomly dispersed: 
 
 
 
 

 
Quietly
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Canada
 
  Joined: 8/28/2004
  B-Day: 12/12/1800 (223)
  Posts: 294
 
 
Posted: Friday, May 17, 2024 at 7:30:44 AM | IP Logged

And here's a sample with an actual stock grass blade texture where I subtly modified each 8 pixel section. You can see a more mottled patch of rough. It may be hard to see for some, as it is rather subtle. You can see several blades are a little more yellowish, while others are more greenish. Obviously, how dramatic the difference is between blades is up to the library creator.

It would also be really useful for making more dramatic tall grass fescue 'weedroughs'. Some blades could be faded white/yellow, while others could still be green. Some could be green partway up, while others could be green only at the bottom... etc.

To the best of my knowledge, no one ever discussed this before.

Also, my blades in the images are squared off. That's not a result of the blade texture. I like squared off blades sometimes. It's a choice in the blade settings screen of the library creator. The defaults are 3 points for rough and 5 points for weedrough. If you change those numbers to evens, you get a squared off blade. The blades in the image are 4 points. 
 
 
 
 

 
Gunpower61
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  Joined: 12/9/2004
  B-Day: 4/30/1961 (63)
  Posts: 4,131
 
 
Posted: Friday, May 17, 2024 at 10:26:05 AM | IP Logged

Nice one Quietly, thanks for sharing the info and the pics, it can help other designers. 
 
 
 
 

 
 
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