BZ2 hovercraft physics

[appel]

Hi

I'm making a game demo and I want to include a BZ2-like hovercraft unit, that handles in the same way as a BZ2 hovercraft unit.

What information I need is all the variables that are used for the physics of the unit, and a short description of those variable.

Thank you

[Red Devil]

How's this?

[HoverCraftClass]
velocForward = 30.0 //
velocReverse = 18.0 //
velocStrafe = 14.0 //
accelThrust = 24.0 //acceleration
accelBrake = 75.0 //braking
accelDragStop = 5.8 //how fast it stops once hands are off controls
accelJump = 15.0

setAltitude = 1.0 // how high off the ground

alphaTrack = 22.0 //springs speed it rights itself
alphaDamp = 8.0 //shocks

pitchPitch = 0.19 //nose up
pitchThrust = 0.09 //nose down

rollStrafe = 0.01 //rolls while strafing
omegaSpin = 6.0 //spinning in place speed
omegaTurn = 2.0 //turning while moving speed
alphaSteer = 4.5 //how fast it responds to steering
rollSteer = 0.1 //rolls while steering

[appel]

How's this?

[HoverCraftClass]
velocForward = 30.0 //
velocReverse = 18.0 //
velocStrafe = 14.0 //
accelThrust = 24.0 //acceleration
accelBrake = 75.0 //braking
accelDragStop = 5.8 //how fast it stops once hands are off controls
accelJump = 15.0

setAltitude = 1.0 // how high off the ground

alphaTrack = 22.0 //springs speed it rights itself
alphaDamp = 8.0 //shocks

pitchPitch = 0.19 //nose up
pitchThrust = 0.09 //nose down

rollStrafe = 0.01 //rolls while strafing
omegaSpin = 6.0 //spinning in place speed
omegaTurn = 2.0 //turning while moving speed
alphaSteer = 4.5 //how fast it responds to steering
rollSteer = 0.1 //rolls while steering

Thank, what I needed. I might need some more description of the following:

pitchPitch = 0.19 //nose up
pitchThrust = 0.09 //nose down

I know what pitch is but how do these variables control the pitch of the hovercraft? Is there a maxUpPitch and maxDownPitch? What does pitchThrust actually do? Does it control how fast the vehicles pitch'es?

omegaSpin = 6.0 //spinning in place speed
omegaTurn = 2.0 //turning while moving speed

Is this the yaw speed? Why are there two? What's the difference between "spin" and "turn"?

rollSteer = 0.1 //rolls while steering

Does the vehicle roll when yawing? I don't understand.

[Red Devil]

pitchThrust is how much the nose tilts down when you step on the gas.

pitchPitch is how much the nose tilts up and down when you move the mouse when you're just sitting on the ground.

omegaSpin is how fast you spin while standing still.
omegaTurn is how fast you turn while moving.

rollSteer is how much it rolls while moving and steering.

[appel]

Are there any differences in this set of variables between 1.2 and 1.3?

[Red Devil]

Nope, they both apply.

[appel]

Great, thanks Red Devil, I got all I need for now. 

[General BlackDragon]

I think there's more to it then that, some 1.3 free'ed up values in physics arnt there?

[AcneVulgaris]

I'm making a game demo and I want to include a BZ2-like hovercraft unit, that handles in the same way as a BZ2 hovercraft unit.

What are you using to make your demo?

[appel]

What are you using to make your demo?

If you mean in terms of programming, then I'm using jME (java monkey engine library), it's OpenGL and Java. I'm also using jME-Physics2 library for the physics part.

[appel]

I think there's more to it then that, some 1.3 free'ed up values in physics arnt there?

I wonder if there are some "hidden" variables, inside the game engine. Or maybe they are all in config files? I need to get 1.3pb4 to check these config files out.

[TheJamsh]

theres many many preset variables inthe game that are indeed hidden.

check out the changelog files to see all the ones GSH freed up and made externally adjustable... you could always speak to him about the internal variables but hes not aroud too often and is busy, try and grab him on the BZII chat thing in multiplayer

[OvermindDL1]

GSH said he exposed the internal vars for the ship/weapon/etc.. classes when he went through a spree doing so about a year or three ago.  That is what so much of the new stuff in the ODFs were.
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