Chris B wrote:
> "Reinhard" <rpr### [at] gmxnet> wrote in message 
> news:48561186$1@news.povray.org...
>> Hello,
>> I try to this include file to explode the following object.
>> But at the time the explosion shall begin the object is invisible.
>> Does anyone know if there is any restriction to use this include file?
>>
>> And can anyone give me a solution how I can solve the problem?
>> If you need more information please write.
>>
>> Thank you,
>> Reinhard
>>
>> <code>
>> #declare DyingstarObject=sphere { <0,0,0>, 1
>> ...
> 
> Looking at the macro you'd need to assign your object to the identifier 
> called 'explode_object' before including the #include file. I don't know if 
> you do that elsewhere in your scene, but, if this is the problem you should 
> see a warning in the message stream and to fix it you can just add the line:
>  #declare explode_object = object {DyingstarObject}
> before the #include.
> 
> Most of the really obvious problems like the camera not pointing in the 
> right direction, there being no light in the scene etc. you should be able 
> to test by adding the line
>   object {DyingstarObject}
> to your scene instead of the include file. If you still can't see the object 
> then it's a problem caused by something other than the include file.
> 
> Another possibility that springs to mind is that something is placing itself 
> between the camera and the visible objects in the scene. For example, if the 
> camera is very close to the exploding object or inside it and a fragment 
> happens to shield the camera at the start of the explosion.
> 
> Chris B. 

Meanwhile I found the problem: because the DyingstarObject object is a 
moving object I have to add translate to the explode_object.


An other question I have: Can I manipulate the form of the particles?
In my animation they are looking strange for the exploding earth.

With particle_res I can manipulate the numbers of particles, can I? But 
is there an #declare with which I can manipulate the form of them?


thank you,
Reinhard

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