Updates the picking library to have a PickManager and

support both not picking invisible objects and
the option to pick even if invisible.

The idea is you can do something like this

// Make a picking manager
var pm = o3djs.picking.createPickManager(rootTransform);

... // add a bunch of transforms.

// generate picking objects.
pm.update();

// Get the picking object that was created for some specific transform
var info = pm.getTransformInfo(someTransform);

// Set properties on that object related to picking
info.pickEvenIfInvisible = true;

I think this is just a first step. How an object should
be defined as pickable is up for debate. As it is,
you can basically override info.isPickable.

as in

info.isPickable = function() {
  // do something custom.
}

You can also start adding things easier like

info.onPick = function() {
  // do something.
}

and then write code like

info = pm.pick(worldRay);
if (info) {
  info.onPick();
}

While you could have done that before there was no
easy way to find a the TransformInfo for a 
specific Transform. Now you can use 
PickManager.getTransformInfo



Review URL: http://codereview.chromium.org/452027

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@33632 0039d316-1c4b-4281-b951-d872f2087c98

0 files changed, 0 insertions, 0 deletions