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  About Car simulation  (Read 2490 times)
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Offline ThomasA

Junior Newbie

Java games rock!

« Posted 2005-04-17 14:32:02 »

I have created a car with four wheels. Two were JointHinge2 type(for motor), two were JointBall(for support only).

I will set the velocity of two JointHinge2 wheels directly to control the car. What's more, I would like the velocity immediately changed to the value I set, so I set the dParamFMax to Max of float.

However, When I implement it, the car will bounce when velocity suddenly has a large change. What can I do to avoid this bounce and have a smooth car movement?
Offline ewills

Junior Devvie

Java skeletal animation systems rock!

« Reply #1 - Posted 2005-04-17 15:51:02 »

Have you looked at the Car Demo?  That seems to work well...
Offline ThomasA

Junior Newbie

Java games rock!

« Reply #2 - Posted 2005-04-17 16:21:32 »

The car demo seems to work by adding force, but In my simulation, I would like to set the wheel speed directly, so the change might be more drastic...
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Offline arne

Senior Devvie

money is the worst drug- we should not let it rule

« Reply #3 - Posted 2005-04-17 16:52:06 »

This is unrealistic, but If you want the car to start right a way you could add also some speed to the car directly.

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Offline William Denniss

JGO Coder

Projects: 2

Fire at will

« Reply #4 - Posted 2005-04-17 21:25:59 »

I don't think the [Odejava] car demo does use forces, I used it as a base too.

Once it's working, it's a good idea to move to a more realistic simulation, and I think the recommended option is an AMotor.  I havn't changed yet though.


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