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- Physics patch PLUS
- ------------------
-
- First of all, this is a list of modifications that you can YOURSELF make to
- Rally Championship, by means of entering text into a file called 'ral.cfg'
- in the 'var' directory. If this file does not already exist, you will need to
- create it. Then just type 'name' = 'variable' to change a setting.
-
- e.g. stickygrass=0
-
- Each new setting that you change must go on a separate line. You can use
- notepad or edit, or many other programs to edit this file.
-
-
- We have not changed the default settings in the program because although
- there are quirks in the physics that seem wrong to the experienced eye, there
- has to be a balance between gameplay, realism and control. Also, any changes
- would invalidate all the times and data set up so far. Note, if you do change
- any of these settings, you will probably find that your replays wont work,
- and if too extreme changes are made, I don't know WHAT may happen. The game
- may get stuck, or crash, or worse!!!
-
-
- Anyway....
-
-
-
-
-
- There have been a lot of different views about the physics in Rally
- Championship, ranging from 'Brilliant handling' to 'I've been cheated, this
- is rubbish'.
-
-
-
- I'll try to answer a few questions
-
-
-
- 1. Sticky Grass
-
- OK, Grass is not sticky, when it is smooth, but the grass in Rally
- Championship represents smooth grass, rough grass right up to downright
- rough and bumpy ground over which a car would NOT glide gracefully sideways.
-
- We all agree that to get the best time, whether playing Rally Championship,
- or rallying for real is to stick to the roads, that is what they're there for.
- So the grass slows you down to stop you cutting corners, and to keep you from
- just driving anywhere. Grass and rough ground are bumpy, but what would happen
- driving on them in real life, you'd probably be grounded or in a ditch as
- soon as you left the road. In Rally Championship, although the level of
- detail is high, modelling every little bump in the road is impossible given
- current hardware, so this is the best compromise.
-
- Nevertheless, if you want to remove sticky grass, put the following line in
- the ral.cfg file
-
- patchstickygrass=0
-
-
-
- 2. The gravity is wrong, the cars dont weigh enough
-
- The gravity is correct, and as you may find out, to change it affects more
- than you would think, but I think there are two reasons that it seems light.
-
- The first is that, as I said before, the world is modelled from comparatively
- few flat polygons, which have sharp edges, which can cause problems such as
- the car skipping over the edges of these and taking off for what seems like
- no reason.
-
- The second is that, since its not your car, and you can't get hurt, you tend
- to drive a lot faster than in real life, and combined with the first reason
- this means that the car is in the air a lot more. Try it (No, don't!) Go on,
- drive at a 45 degree bank at 100 mph and see what happens. (No, really. Don't!)
-
- But, if you want to experiment, you can change the value of gravity. If we
- assume that gravity is currently 100%, you cahn change it by typing
-
- patchgravity=xxx
-
- where xxx = 200 for double gravity, etc. The program will respond to values
- between 10 and 200.
-
- One thing to notice is that if you increase the gravity, you will get more
- grip. IF you reduceit, your wheels will spin and you'll slide everywhere.
- There are specific grip factors you can alter later on to counteract this.
-
-
-
- 3. Collisions dont damage the car enough
-
- OK, they dont, but we didn't realize that everyone would want them to
- be so severe that one crash and you're out (Listening, Colin?). So, similarly
- to the gravity setting, where 100% = current damage levels, type
-
- patchdamages=xxx
-
- The program responds to values from 0 to 1000, 1000 being 10x the damage.
-
-
-
- 4. The car has too much/too little grip
- The brakes are too strong...
- You don't slide enough on gravel
-
- Can't please everyone! Believe me, we've heard everything, and we have tried
- lots of different values, on some the real ones seem right, on others they
- dont, above all, we wanted to have a game that was not too frustrating to
- play, yet offered a good learning curve. The first time anyone here played
- Clocaenog, we though 15 mins was a good time. Then 14. Then 13. We're still
- shaving seconds off even now! Anyway, to change these values yourselves.
-
- Bearing in mind that 100 is what you have now, and that some factors can
- combine (remember gravity!), and that some aren't STRICTLY linear, you can
- change
-
- patchbrakegrip=xxx - reduce for longer braking times
- patchaccelgrip=xxx - reduce for more wheelspin
- patchslidegrip=xxx - reduce for more sliding sideways
- patchgriptarmac=xxx - change for more/less grip on tarmac
- patchgripgravel=xxx - change for more/less grip on gravel/snowy gravel
- patchgripmud=xxx - change for more/less grip on mud/dust
- patchgripsnow=xxx - change for more/less grip on snow/ice
- patchgripgrass=xxx - change for more/less grip on grass/rough ground
-
-
- Remember, these are all variations from what is set already, so setting
-
- patchgriptarmac=50
- patchgripgravel=50
-
- will NOT make tarmac and gravel the same.
-
-
- All these values can be set in the range 10-200
-
-
-
- 5. The game wont run fast enough
-
- OK, this isn't really physics, but one of the reasons the game needs a
- powerful processor and graphics card is that a lot of the courses cover
- large wide open areas, and you can see a long way, which requires the
- program to draw a lot into the distance. We have made a setting that will
- limit this, and you can reduce the 'drawdistance' by limiting this value.
- On some courses, they don't have too much preset drawdistance anyway,
- but most equate to a setting of about 6 to 12. Nevertheless, you can force
- the maximum drawdistance by typing
-
- patchmaxdrawdistance=xx
-
- This number should be between 4 and 12
-
-
- 6. Master switch
-
- Finally, all of the above options (except draw distance) are enabled only with
-
- fizpatch=1
-
- To allow quick on/off setting for comparisons or best times tables.
-
-
-
- Have fun, and if anyone thinks they've got the perfect settings, we want
- to know. I suspect that people will want more, but have a play.
-
-
-
- Shaun Southern
- Physics/3d programmer
- Magnetic Fields SOftware Design
-
-