Hermite and Bezier?

[ChaoticHunter]

I Need a Short explanation about it.. How do i use it? what does it do? Linear makes the animation go from a point to another.. but i don't have any idea about those 2.. I don know how to write in bezier or hermite, but if you change from bezier to linear somethings happend but don't work.. I need some help waiting for some..

 

[Gottfrei]

it's an algorithms that are used for smooth curve interpolation. so you are not just use old and new bone coordinates but also in and out vectors of the curve.

 

[BlinkBoy]

They both are smooth interpolation splines. Writting keys for both is actualy quite hard without a curve editor or tcb editor.

Here's a better sample using just translation:

Bezier:

This curve simulates gravity in Z coordinate as the boy will move:

Here's how it will show:

Linear:

The same curve but converted to linear:

Here's how it will show:

Front to front comparison:

 

[ChaoticHunter]

what do you recommend me to use for do rotations and movements(make a circle) with particles ?¿?

 

[BlinkBoy]

if you are rotating particles, then Linear. Calculating Hermite Rotations is a big pain in the arse (it took me 1 years to learn how). Rotations also use quaternions, so if you are doing it free hand, you'll need an euler axis to Quaternion convertor or just use MDLVis. You can also make the model in gmax and export it with neodex, thus you can use hermite.

For translation, bezier is the best.

 

[Gottfrei]

"mdlvis" can't handle well any interpolation except linear so better don't even try.

 

[ChaoticHunter]

"mdlvis" can't handle well any interpolation except linear so better don't even try.

HAhahah yes! But i have a little of practice moving things in MDlvis with Shift moving in just one direction.. still is kinda hard...

 

[BlinkBoy]

hm, why not using GMAX then?

 

[ChaoticHunter]

hm, why not using GMAX then?

Don't know how to use it .. Very confusing.. I use milkshape.. But anyway i'll see

 

[trucly123]

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