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Re: Would this work for ROBLOX brick shadows?

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kingmatt2 is not online. kingmatt2
Joined: 20 Aug 2011
Total Posts: 6494
09 Aug 2013 01:00 PM
If ROBLOX is working on brick shadows made by other lights than the sun, could they reduse lag by:


Lets say two bricks are next to eachother, insted of the light think that they is two bricks there, it thinks there is one and then blocks the shape of the two out?
Would it work?
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woot3 is not online. woot3
Joined: 10 Nov 2008
Total Posts: 3599
09 Aug 2013 01:03 PM
This is called occlusion culling. ROBLOX currently does not do this I am guessing due to transparency but I am not entirely sure why.
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RenderSettings is not online. RenderSettings
Joined: 16 Aug 2010
Total Posts: 2560
09 Aug 2013 01:04 PM
It would have to group the blocks together, and even then only by the viewpoint of the light source it is raycasting from. The grouping would probably end up being more expensive then just drawing both bricks, especially if in some cases it would be unneeded since both bricks wouldn't be drawn (if 1 brick is behind the other, it wouldn't be needed to group them since you would never even have to draw the 2nd one)
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Prehistoricman is not online. Prehistoricman
Joined: 20 Sep 2008
Total Posts: 12490
09 Aug 2013 01:20 PM
With static objects, this should be done as a background task so that is won't cause too much lag and will eventually resolve lag/load. Moving objects... not good idea if you want smooth lighting.
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