Hey Fabrice,
I was trying to follow your idea, but I ran into some issues...can u
help me figure this out, here is the code Im using, but the size is
never the same when it zooms:
var optimalDistance:Number = 50;
var newDistance:Number = (optimalDistance *
(currentSelectedRadius/
100)); // here is where the problem is...I need this to be the new
distance...
trace("________________\nRADIUS :: " +
currentSelectedRadius);
trace("new distance :: " + newDistance, "\n");
// EARTHRADIUS + ZOOM_DISTANCE_FROM_SURFACE is the
distance from
the planet to do // boundingRadius
// NEW WAY this is where the camera zooms to -
integrating with
currentSelectedRadius of sphere.
var cameraZoomX:Number = ((EARTHRADIUS + newDistance) *
Math.sin(phi) * Math.cos(theta));
var cameraZoomZ:Number = ((EARTHRADIUS + newDistance) *
Math.sin(phi) * Math.sin(theta));
var cameraZoomY:Number = ((EARTHRADIUS + newDistance) *
Math.cos(phi));
On May 22, 2:11 am, Michael Iv <[email protected]> wrote:
> It is very simple Dude !
> Let's say new Sphere is 130
> And old SPhere is 80
> so old sphere is smaller then new in% is
> 80*100/130
>
>
>
>
>
> On Fri, May 21, 2010 at 6:14 PM, dyc <[email protected]> wrote:
> > So, I need some help getting the % the new sphere is in relation to
> > the "optimal" sphere which then zooms to 100px away.
>
> > can u help me figure out the math for that? i been out of highschool
> > for 12 years and havent a clue..
>
> > I have a sphere whos radius = x
>
> > i have an old sphere whos radius = 100
>
> > what % is the old sphere of the new one?
>
> > On May 20, 3:46 pm, Fabrice3D <[email protected]> wrote:
> > > Another option would be to multply the boundingRadius of the new Sphere
> > by a factor
> > > that gives you a distance always in scale of the sphere.
>
> > > like camera.distance = myNewSphere.boundingRadius * 1.8;
>
> > > Fabrice
>
> > > On May 21, 2010, at 12:14 AM, dyc wrote:
>
> > > > Im trying to wrap my head around this and it almost makes sense...can
> > > > you ellaborate a little?
>
> > > > m, Fabrice3D <[email protected]> wrote:
> > > >> Why not define a scale factor...
> > > >> i mean say you make a test and define that a distance from a sphere
> > "a" is nice.
> > > >> Then multiply the distance to center by the factor diff of the new
> > sphere and your original sphere "a". no?
>
> > > >> Fabrice
>
> > > >> On May 19, 2010, at 9:18 PM, dyc wrote:
>
> > > >>> Hey guys! I have a pretty complex problem, but Im sure itll be easy
> > > >>> for some of you!
>
> > > >>> Anyways, I have this globe that you can click on the surface, and it
> > > >>> places another sphere where u clicked, based on how far you dragged
> > > >>> after clicking...that becomes the radius of the new smaller sphere.
>
> > > >>> I am zooming the camera into the sphere, but it is always a different
> > > >>> size when u get zoomed up to it, because the radius is independent of
> > > >>> the zooming script. What I need help on, is a way to inorporate the
> > > >>> RADIUS of the new sphere into the zooming math, so that I can control
> > > >>> how large the new sphere should be each time...I just want the sphere
> > > >>> to be the same size every time they place a sphere and it zooms, no
> > > >>> matter what the radius of the sphere is...
>
> > > >>> see what I mean?
>
> > > >>> Thanks so much!!
>
> > > >>> here is the code so far:
>
> > > >>> // New idea use bigger radius with lon/lat data
> > > >>> var phi:Number = (90 - _currentLat) * Math.PI /
> > 180;
> > > >>> var theta:Number = (_currentLon) * Math.PI / 180;
> > > >>> // THIS NEXT LINE IS WHERE IM TRYING TO DO THE NEW
> > > >>> CURRENTSELECTEDRADIUS incporporation
> > > >>> /*// EARTHRADIUS + ZOOM_DISTANCE_FROM_SURFACE is
> > the distance from
> > > >>> the planet to do
> > > >>> // NEW WAY this is where the camera zooms to -
> > integrating with
> > > >>> currentSelectedRadius of sphere.
> > > >>> var cameraZoomX:Number = ((EARTHRADIUS +
> > > >>> ZOOM_DISTANCE_FROM_SURFACE) * Math.sin(phi) * Math.cos(theta)) /
> > > >>> currentSelectedRadius;
> > > >>> var cameraZoomZ:Number = ((EARTHRADIUS +
> > > >>> ZOOM_DISTANCE_FROM_SURFACE) * Math.sin(phi) * Math.sin(theta)) /
> > > >>> currentSelectedRadius;
> > > >>> var cameraZoomY:Number = ((EARTHRADIUS +
> > > >>> ZOOM_DISTANCE_FROM_SURFACE) * Math.cos(phi)) /
> > > >>> currentSelectedRadius;*/
>
> > > >>> // OLD WAY
> > > >>> var cameraZoomX:Number = (EARTHRADIUS +
> > ZOOM_DISTANCE_FROM_SURFACE)
> > > >>> * Math.sin(phi) * Math.cos(theta);
> > > >>> var cameraZoomZ:Number = (EARTHRADIUS +
> > ZOOM_DISTANCE_FROM_SURFACE)
> > > >>> * Math.sin(phi) * Math.sin(theta);
> > > >>> var cameraZoomY:Number = (EARTHRADIUS +
> > ZOOM_DISTANCE_FROM_SURFACE)
> > > >>> * Math.cos(phi);
>
> > > >>> var tagX:Number = (EARTHRADIUS +
> > ZOOM_DISTANCE_FROM_SURFACE + 500)
> > > >>> * Math.sin(phi) * Math.cos(theta);
> > > >>> var tagZ:Number = (EARTHRADIUS +
> > ZOOM_DISTANCE_FROM_SURFACE + 500)
> > > >>> * Math.sin(phi) * Math.sin(theta);
> > > >>> var tagY:Number = (EARTHRADIUS +
> > ZOOM_DISTANCE_FROM_SURFACE + 500)
> > > >>> * Math.cos(phi);
>
> > > >>> TweenLite.to(zoomCamera, 3, { x: cameraZoomX, y:
> > cameraZoomY, z:
> > > >>> cameraZoomZ, ease:Expo.easeOut} );
>
> --
> Michael Ivanov ,Programmer
> Neurotech Solutions Ltd.
> Flex|Air |3D|Unity|www.neurotechresearch.com
> Tel:054-4962254
> [email protected]
> [email protected]
