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| 17:04 |
Wuzzy |
#9205 |
| 17:04 |
ShadowBot |
https://github.com/minetest/minetest/issues/9205 -- Falling nodes: Add support for facedir, colorfacedirr, wallmounted, colorwallmounted, color, airlike, signlike, torchlike and glow by Wuzzy2 |
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| 19:46 |
Krock |
paramat? |
| 19:47 |
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| 20:32 |
Krock |
> Paramat wants to remove it. SmallJoker wants to keep it, but improve it a little. Now what? |
| 20:33 |
Krock |
Wuzzy: moving the documentation from lua_api.txt to menu_lua_api.txt would be compatible with both requests |
| 20:33 |
Krock |
although it's not where game writers would look for such information |
| 20:33 |
Wuzzy |
ah, good point |
| 20:33 |
Krock |
because I assume it's planned to make it per-game |
| 20:33 |
Wuzzy |
well, its not for game writers anyway at this point |
| 20:34 |
Krock |
right |
| 20:34 |
Wuzzy |
obviously thi can be changed as soon per-game music arrives |
| 20:34 |
Krock |
the description would need to be adjusted anyway so it does not really matter |
| 20:37 |
Wuzzy |
Krock: also, the atan2 thing for falling_fixes. your suggested code does not work anyway |
| 20:38 |
Krock |
yes, I assumed the calculations aren't correct yet |
| 20:38 |
Krock |
as written in the code, it's entirely untested (except the yaw calculation) |
| 20:39 |
Wuzzy |
it seems yaw is broken too |
| 20:39 |
Wuzzy |
anyway maybe its better to avoid atan2 altogether. im not sure about speed. paramat might be worried |
| 20:39 |
Wuzzy |
falling_nodes are very critical |
| 20:40 |
Wuzzy |
but maybe i'm being too paranoid here |
| 20:41 |
Krock |
from the server perspective it makes a difference for sure, but in singleplayer mode it won't really matter due to the mapblock mesh generator and object creation that takes noticeably more time |
| 20:42 |
Wuzzy |
do u know complexity of math.atan2 function, by any chance? |
| 20:45 |
Krock |
no sorry. but the C implementation is likely a LUT + multi-polynomial interpolation |
| 20:47 |
Krock |
(not sure if polynomial is the right term here, but it uses multiple data points) |
| 20:48 |
Krock |
even more black magic than that according to https://stackoverflow.com/a/23048159 |
| 20:59 |
Wuzzy |
heh. "black magic" is the right word |
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| 22:58 |
p_gimeno |
> Maybe a lookup-table-based approach is better. Using *_to_dir to get the dir, then use dir to lookup angles. |
| 22:58 |
p_gimeno |
Why not using facedir to look up angles? |
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