Velocity and Wing of Standard Particles?

THE POST BELOW IS MORE THAN 5 YEARS OLD. RELATED SUPPORT INFORMATION MIGHT BE OUTDATED OR DEPRECATED

On 13/08/2008 at 09:16, xxxxxxxx wrote:

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Hi community

The COFFEE SDK Documentation explained the content of "Tparticle" of the AllocVariableTag as:

Particle data (position + direction + wing + lifetime + bits)

But what does "wing" and "bits" stand for?

And how can I calculate the velocity?

THE POST BELOW IS MORE THAN 5 YEARS OLD. RELATED SUPPORT INFORMATION MIGHT BE OUTDATED OR DEPRECATED

On 18/08/2008 at 07:24, xxxxxxxx wrote:

Wing is the banking vector. You can create a rotation matrix out of direction and wing and the cross product of both vectors. The bits are PARTICLE_VISIBLE and PARTICLE_ALIVE. They inform you about the state of the particle.

cheers,
Matthias