Scripting Issues

[sig33kde]

Scripting Issues

This is my 1st time scripting with Cheetah -- I am very familiar with javascript... so I'm just having issues learning the API.

What I am trying to accomplish is almost like the quicktime_VR script that was given, but instead of the camera moving around the object, the object would just simply rotate and at each rotation the script would render that frame. I have a quasi-working script:

function buildUI(obj){

obj.setParameter("name","lots of pictures");
obj.addParameterButton("update","RUN","take_pictures");

}

function take_pictures(obj){
var imagetype="jpg";
var doc=obj.document();
// var cam=doc.activeCamera();

for(var i=0;i<300;i++){

var newROT=new Vec3D((i*1.2), 0, 0);
obj.setParameter("rotation",newROT);
obj.update();
doc.render("/path/to/folder/"+i+"."+imagetype);

}

}

but when I place the object into the script and try to run it (render) the object in question does not show up in the rendered scene. I am sure it is something simple that I am completely unaware of -- but any help would be greatly apprecited.

THANKS

 

[tg_jp]

hi,

I think, it is a Polygon script. if so, to be rendered itself and its child object, you seem to have to add a polygon or something in buildObj() function.

after adding this code to yours, it will be rendered.

function buildObject(obj) {
    //adding a quite tiny polygon to be rendered.
    var core = obj.core();
    var faceSize = 0.00001;
    core.addPolygon(3,false,[new Vec3D(faceSize,faceSize,faceSize), new Vec3D(0,faceSize,faceSize), new Vec3D(0,0,0)]);
}

actually, this solution is a bit bothersome. maybe we have another one. :?:

regards.

tg_jp, Hiroto

 

[ToddWR]

I beleive the best bet for this would be to run it as a macro script.

it would work like so..
select object to use/rotate
select the script
click button to render the images
... its late here , tomorrow I will post something that will work

Todd

 

[sig33kde]

Thank You!

That worked perfectly
I know it may be a cheap hack, but that's fine with me for now.

Should I be using a buildObject call whenever making a poygonobj script?
Thanks!

 

[ToddWR]

sig33kde,

yes, I believe that by default any objects placed in a polygon object script "disappear" to the world. it is the responsibility of the script to supply objects to be seen.

Todd

p.s.
if the script sets itself as a creator object, then the children of the script are hidden.

 

[tg_jp]

hi,

Should I be using a buildObject call whenever making a poygonobj script?

I think so, too. it would be better to implement buildObject() for polygon script.

anyway, How about Tag script with using almost same code of your first try?

function take_pictures(tag){
  var obj = tag.owner();
  var imagetype="jpg";
  var doc=obj.document();
  // var cam=doc.activeCamera();
  /* ... same ...*/
}

regards.

tg_jp, Hiroto