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Rotate object through global axis

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Rotate object through global axis Empty Rotate object through global axis

Post  andreassilva Thu Feb 19, 2009 10:08 am

Hi there,

I really need to rotate an object through the global axis.
The transformation just let me rotate the object through their own axis:

Code:

object->_SIO2transform->rot->x += 90.0;
sio2TransformBindMatrix( _SIO2object->_SIO2transform );

I really apreciate if you can help me.

Thanks Smile

andreassilva

Posts : 22
Join date : 2009-02-19

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Rotate object through global axis Empty Re: Rotate object through global axis

Post  sio2interactive Thu Feb 19, 2009 3:14 pm

Check tutorial14 to see how you can link another matrix to an SIO2transform, so you can have one matrix that move you object from the center then render it around its pivot point.

Cheers,
sio2interactive
sio2interactive

Posts : 1526
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Location : Shanghai

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Rotate object through global axis Empty Re: Rotate object through global axis

Post  andreassilva Fri Feb 20, 2009 5:56 am

Thanks for reply Smile,

but I didn't get what you meant to say, i guess.

here is my code
Code:


/*SIO2object *_SIO2objectAux = ( SIO2object * )sio2ResourceGet( sio2->_SIO2resource,
                                                    SIO2_OBJECT,
                                                    "object/MatrixCube");
*/

SIO2object *_SIO2object = ( SIO2object * )sio2ResourceGet( sio2->_SIO2resource,
                                    SIO2_OBJECT,
                                    "object/Cube" );
      
//_SIO2object->_SIO2transform->_SIO2parent = _SIO2objectAux->_SIO2transform;
      
if( _SIO2object )
{
   _SIO2object->_SIO2transform->rot->x += 30.0;
}

sio2TransformBindMatrix( _SIO2object->_SIO2transform );
//sio2TransformBindMatrix( _SIO2objectAux->_SIO2transform );

As you can see, in the commentated code, I tryed to do some parent but no success..

can you give me a simple example code please?

Thank you

andreassilva

Posts : 22
Join date : 2009-02-19

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Rotate object through global axis Empty Re: Rotate object through global axis

Post  sio2interactive Fri Feb 20, 2009 7:09 am

Code:


      sio2TransformBindMatrix( _SIO2md2->_SIO2transform );
   
      // Create a parent child relationship between the
      // SIO2md2 and the SIO2object transformation used for collision.
      _SIO2md2->_SIO2transform->_SIO2parent = sio2ResourceGetObject( sio2->_SIO2resource,
                                                     "object/yoshi" )->_SIO2transform;
   

sio2interactive
sio2interactive

Posts : 1526
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Rotate object through global axis Empty Re: Rotate object through global axis

Post  andreassilva Fri Feb 20, 2009 7:34 am

Well, that was what I concluded before (that's in the commentated code).

I need you to be more specific please:
-What to do in blender?
-Which object to rotate?
-Dont want to use md2 of course.

(btw, the code is in the Render function)

Thanks

andreassilva

Posts : 22
Join date : 2009-02-19

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Rotate object through global axis Empty Re: Rotate object through global axis

Post  andreassilva Wed Feb 25, 2009 2:11 am

I need some help here please

andreassilva

Posts : 22
Join date : 2009-02-19

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