[Papervision3D] flying camera around

[John Grden]

is viewDistance using the distanceTo() method?

On 6/11/07, James Acres - AG <james at anonymousgroup.com> wrote:
>
> Hi John,
>
> I worked on something exactly like that last week ;) It turned out
> really well! I'd post it, but I'm having the bitmap width and height
> problem I posted earlier today. Can't figure it out - any ideas?
>
> Here's a snippet of how I rotated around the sphere:
>
> var currPlane = plane_array[ planeId ];
> var planeVector:Number3D = new Number3D( currPlane.x, currPlane.y,
> currPlane.z );
> var len:Number = planeVector.modulo + viewingDistance;
>
> planeVector.normalize();
>
> Tweener.addTween( camera, { x:planeVector.x*len, y:planeVector.y*len,
> z:planeVector.z*len, time:1.25, transition:"easeinoutexpo",
> onComplete:onShowName, onCompleteParams:[count]} );
>
> Basically getting the normalized vector of the plane object and
> multiplying it by the length of the original vector plus the desired
> viewing distance. I'm using Tweener to take care of animating the
> properties. Also, every frame I'm telling the camera to lookAt() the
> plane. This is simple and works extremely well. Instead of constantly
> calling lookAt() you could do the math yourself.
>
> On 11-Jun-07, at 2:37 PM, John Grden wrote:
>
> > I wonder if anyone's done something like this:
> >
> > 1.  generated random planes around a sphere
> > 2.  told those planes to look at the sphere
> > [ that part works fine ;) ]
> > 3.  Flown a free camera around the outside of those planes to a
> > specified plane and had it look at the plane with the same
> > rotation  (IE:, like the flickr example we saw a while ago, but
> > flying around a sphere?)
> >
> > Here's snapshot of what I'm working with.  Imagine being able to
> > specify any of those planes, and have the camera animate around the
> > outside, then reposition itself infront of the plane fully rotated
> > to match the plane
> >
> > Anyone?
> >
> > I've created a "dummy" displayObject3D to copy the new panel's
> > transform, then move back 500 - then I'm trying to fly to this new
> > position where the dummy is.  So, I have the "where to fly" down,
> > just need some help flying in a radius / 360 I guess ;)  Not
> > totally sure.
> >
> > I've been trying to get the scene just to rotate and re-orient
> > itself to the camera position (opposite the sphere's rotation
> > values) and that's not working as I would hoped.
> >
> > --
> > [  JPG  ]
> > <sphereRandomPanels.png>
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>
>
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-- 
[  JPG  ]
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