Sivaram Ghorakavi wrote:
> Hi Hardy,
>
> I am very new to Java3D and doing some small
> assignment on the simillar lines that you mentioned.
> I've few questions...
>
> 1. The 3D model, pool, is that first desigend using
> any 3D modeling tool or you hand coded???
>
> 2. What are the steps, in terms of coading, to enter
> into a house, roomm...etc
>
> 3. How the interaction provided for the inside
>
> Any help would be appreciable
>
> Thanx
> Sivaram.
>
> --- Hardy Henneberg <[EMAIL PROTECTED]> wrote:
> > Hello,
> >
> > I have made a small applet, which demonstrates my
> > thoughts on
> > perspective. I think, that in many applications the
> > vertical (normally
> > Y) dimension should be treated different from the
> > horizontally ( x and z
> > ) regarding to perspective, so vertical lines in the
> > virtual world
> > transforms into vertical lines on the screen.
> >
> > The applet shows a room with a (pool) table.
> > After activating the 'Walk' button you can walk
> > around by movin the
> > mouse while pressing the left-button. Up-down
> > changes speed; Left-right
> > changes direction. 'Stop' button stops.
> > After activating 'Rotate' button you can rotate the
> > camera around the
> > center of the table. Up-down rotates in the vertical
> > plane - Left-rigtht
> > i the horizonal.
> >
> > By activating the 'Perspective' button you can
> > toggle between the normal
> > 3D perspective and the 2D, which I prefer for this
> > kind of applications.
> >
> > The 2D perspective, I have made by letting
> > FieldOfView in the
> > Y-direction to 1/5 of the X-direction, and
> > compensating for the
> > extraction by scaling the Viewplatform-transform by
> > 5 in the
> > Y-direction. This is only for demonstration - one of
> > the drawbacks is
> > that colors are shown different - please don't be
> > disturbed by that.
> > What I would like, is the rendering motor to support
> > this kind of
> > perspective. I have thought a little of making a
> > Perspective-transform,
> > which does that and give that to the View
> > (setLeftProjection) - but I
> > don't think it is possible - at least I haven't
> > succeded.
> >
> > I would appreciate comments on this technical aspect
> > as well as comments
> > on the usability/need for this kind of perspective.
> >
> > Start the applet by 'java -jar Pool.jar'. In
> > 'Windows' you should be
> > able to start by double-clicking.
> >
> > kind regards
> > Hardy Henneberg
> >
>
> > ATTACHMENT part 2 application/java-archive
> name=Pool.jar
>
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1. It's hand coded in java3d.
2. In this simple demo, the camera is just placed inside the room from the
start. I have made a small camera class which modifies the view transform.
3. Movin the camera is done by using some behaviors derived from
MouseBehaviors. Collision detection is handcoded into those behaviors - not
using java3d collision detection.
Hope I answered your questions - I know its a bit short - but feel free to ask
again.
kind regards
Hardy Henneberg
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