Air being stopped by solids.
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@t3h1337n00b (View Post)
Yes. Most particles decrease air velocity slightly. A 4x4 block of METL will decrease the air velocity by 81% each frame. SPNG, RIME, PSTS or WIRE will set the air velocity to zero on each frame (even with just a single particle).
But this isn't quite as effective as walls in blocking air flow, because walls do some extra stuff to stop air passing.
There's an array bmap_blockair in the air sim stuff which determines whether air can flow in each cell (cell==4x4 block). Normally it's calculated by checking which type of wall is in each cell. I suppose the number of solid particles in each cell could be counted and if it's at least 16 set it to block air. -
@t3h1337n00b (View Post)
yes, solids appear to be "translucent" to air.
@jacksonmj (View Post)
intresting -
What if the solid was 4x4 but not aligned on the wall grid as in a column of 4x4 blocks ofset by one pixel, which is possible for solids but not walls. Or a 3x3 block.
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I'm a big supporter of the idea of toggling options. I think a lot of the rejected ideas would work if they made it so you could toggle whether it is on or off.
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@JoshinatorKy (View Post)
But you can't have an on/off button for everything.
@thunder999 (View Post)
then it would proberbly leak. -
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