Reverse Gravity trouble

Hello, it's been a long time since I didn't make a question like this on the forums.


Well, so I, was researching on the s1 source, and I tried to do reverse gravity. I managed to make it work, but there's a BIG problem: when Sonic hits the ceiling, (floor in this case) he goes crazy!


If you have something or suggestions of what could fix this problem, I might as well thank you.


If you have something to fix it, if you want, I'd be pleased to put it properly with your help. I've been trying everything I could with my skills, but seems they aren't good enough for this. Help would be appreciated.


Thanks in advance.

 

What do you mean by crazy? Can you post some pics?


Moar info please!

 

Well, by crazy I mean that he hits the ceiling and he teleports to the top of the chunk. (Finds a floor)

 

Make sure the floor has the correct collision. Some, or in Sonic 1, do not have all blocks with collision set. So you may be getting wonky things.

 

I'm using the original art, and I made COMPLETELY sure it was correct. It's a problem of the ceiling and not of the floor

 

Which is exactly where you're going wrong, you need to treat the ceiling as a floor, and by that you'd need to alter Sonic's collision response, reflex and physics, simply reversing Sonic's falling direction isn't enough.


Take a look at the following routines:


Sonic_Floor


Sonic_SlopeResist


Sonic_AnglePos


Sonic_SlopeRepel


Sonic_RollRepel


Sonic_SlopeRepel


Sonic_Move (Angle section)


ObjectFall


Sonic_Jump


Sonic_JumpAngle (For angle reversing when in air)


Sonic_WalkVertL


Sonic_WalkCeiling


Sonic_WalkVertR


loc_14630 (routine under the checks is basically "Sonic_WalkFloor" in essense)

 

I never tried this, but don't you also have to use only "all solid" collisions (along with what's been said before)? In S3K's Death Egg, everything is set to "all solid", there's probably a good reason.

 

Thanks, people. I managed to do it. I've impressed myself, I didn't do this kind of stuff in my old days. Haha.


Once again, thanks. I think this topic can be locked now because the issue is solved! :wub: