oss/luanti
oss/luanti
1
0
Fork 0
mirror of https://github.com/luanti-org/luanti.git synced 2025-08-11 17:51:04 +00:00
Code Wiki Activity

reorganized a lot of stuff and modified mapgen and objects slightly while doing it

Browse source
This commit is contained in:
Perttu Ahola 2011-06-26 15:48:56 +03:00
parent 3b098fd5dc
commit 91cfbe2891
24 changed files with 2059 additions and 1626 deletions
Download patch file Download diff file Expand all files Collapse all files

54
src/collision.cpp
View file

@ -182,4 +182,58 @@ collisionMoveResult collisionMoveSimple(Map *map, f32 pos_max_d,
return result;
}
collisionMoveResult collisionMovePrecise(Map *map, f32 pos_max_d,
const core::aabbox3d<f32> &box_0,
f32 dtime, v3f &pos_f, v3f &speed_f)
{
collisionMoveResult final_result;
// Maximum time increment (for collision detection etc)
// time = distance / speed
f32 dtime_max_increment = pos_max_d / speed_f.getLength();
// Maximum time increment is 10ms or lower
if(dtime_max_increment > 0.01)
dtime_max_increment = 0.01;
// Don't allow overly huge dtime
if(dtime > 2.0)
dtime = 2.0;
f32 dtime_downcount = dtime;
u32 loopcount = 0;
do
{
loopcount++;
f32 dtime_part;
if(dtime_downcount > dtime_max_increment)
{
dtime_part = dtime_max_increment;
dtime_downcount -= dtime_part;
}
else
{
dtime_part = dtime_downcount;
/*
Setting this to 0 (no -=dtime_part) disables an infinite loop
when dtime_part is so small that dtime_downcount -= dtime_part
does nothing
*/
dtime_downcount = 0;
}
collisionMoveResult result = collisionMoveSimple(map, pos_max_d,
box_0, dtime_part, pos_f, speed_f);
if(result.touching_ground)
final_result.touching_ground = true;
}
while(dtime_downcount > 0.001);
return final_result;
}