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[FEATURE REQUEST] Weight Based Landscape Grass Type

It would be awesome if there were a setting in the Landscape Grass Type window for the minimal weight at which it is allowed to put an instance at the location. Because now sometimes your meshes pop up at locations where the weight is 0.01, which looks unrealistic.

Product Version: UE 4.12
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asked Jul 22 '16 at 02:12 PM in Everything Else

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Hi Roel,

It's slightly cumbersome but you can do that with an If material node already. Just connect the weight value to the A and A>B inputs, a constant 0 to the A>=B and A<B inputs, with a constant with your threshold value (eg 0.1) connected to the B input. The result will be the weight if it's greater than the threshold, and 0 otherwise.

  • Jack

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answered Jul 25 '16 at 03:16 AM

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avatar image Roel Jul 25 '16 at 08:38 AM

Cool, I will give it a try! Would this impact in-game performance in any way or are landscape grass types pre-calculated? I use it for mobile.

avatar image JackP STAFF Jul 25 '16 at 09:25 AM

There is no runtime performance impact as the grass weight material nodes are evaluated only in the editor.

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