object constraint!

[tuangD]

I came across the conversation in "new poll" in General Chat...

about the object constraint,

can we limit one object transition say tx ty tz, so it will not go inside another object?

just curious??

cheers

-tuang

[danteA]

In short, not really.

If you want to do simple collision detection, you could always do the hacky thing by testing the intersection of the bounding boxes of your object. If you want true object collision, then I would look into using RBD in some way.

[tuangD]

I'm thinking of that hacky thing too.

Can you give me a clue how can I do the bounding boxes intersection?

Through CHOPs or SOPs?

thanks

-tuang

[danteA]

I've never tried it myself. Maybe an expression function using bbox() ?

[tuangD]

hmm... ok I'll try it...

cheers.

-tuang

[thekenny]

if it is a constraint at the object level use the BlendOP.

ill named, but it will do the job for you.

depending on how/where you a parent the object with the keep position while parent option, you will get the desired results by toggling off all the rotations and scales for the one parent you want to follow.

the BlendOp if used correctly will give all the constraints you want. one pt. two pt. three pt. rotational.

an object's lookat should pass for the up-vector constraint in most cases.

hope that helps.

-k

[tuangD]

oh

that's cool I'll try it too!

thanks kenny

-tuang