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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Well the camera will look at your object but if the object
moves, you have to move the camera as well<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:#355379'>BLITZ | Patrick Matte</span></b><span style='font-size:10.0pt;
font-family:"Arial","sans-serif";color:#355379'> 310-551-0200 <b>x214</b></span><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
papervision3d-bounces@osflash.org [mailto:papervision3d-bounces@osflash.org] <b>On
Behalf Of </b>René Lavoie<br>
<b>Sent:</b> Monday, December 03, 2007 11:51 AM<br>
<b>To:</b> papervision3d@osflash.org<br>
<b>Subject:</b> Re: [Papervision3D] 3rd person camera<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>I’ve tried that but the camera still doesn’t move. <o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'><o:p> </o:p></span></p>
<div>
<div class=MsoNormal align=center style='text-align:center'><span lang=FR>
<hr size=2 width="100%" align=center>
</span></div>
<p class=MsoNormal><b><span lang=FR style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>De :</span></b><span
lang=FR style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> papervision3d-bounces@osflash.org
[mailto:papervision3d-bounces@osflash.org] <b>De la part de</b> Trevor Burton<br>
<b>Envoyé :</b> 3 décembre 2007 14:26<br>
<b>À :</b> papervision3d@osflash.org<br>
<b>Objet :</b> Re: [Papervision3D] 3rd person camera</span><span lang=FR><o:p></o:p></span></p>
</div>
<p class=MsoNormal><span lang=FR-CA><o:p> </o:p></span></p>
<p class=MsoNormal style='margin-bottom:12.0pt'><span lang=FR-CA>no, you have
to keep calling it when the object moves. that's why i suggested making the
camera and object siblings, as this should mean you don't have to<o:p></o:p></span></p>
<div>
<p class=MsoNormal><span lang=FR-CA>On Dec 3, 2007 7:15 PM, René Lavoie <<a
href="mailto:Rene.Lavoie@sarbakan.com">Rene.Lavoie@sarbakan.com</a>> wrote:<o:p></o:p></span></p>
<div>
<div>
<p><span lang=EN-CA style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>I've tried the lookAt() function but it doesn't update the camera
position when the character move. </span><span lang=FR-CA><o:p></o:p></span></p>
<p><span lang=EN-CA style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'> </span><span lang=FR-CA><o:p></o:p></span></p>
<p><span lang=EN-CA style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>This function is called on the enterFrame of the main container. </span><span
lang=FR-CA><o:p></o:p></span></p>
<p><span lang=EN-CA style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>public function update(_model:DisplayObject3D):void</span><span
lang=FR-CA><o:p></o:p></span></p>
<p><span lang=EN-CA style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>{
</span><span lang=FR-CA><o:p></o:p></span></p>
<p><span lang=EN-CA style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>
camera.lookAt(_model));
</span><span lang=FR-CA><o:p></o:p></span></p>
<div>
<p><span lang=EN-CA style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>
</span><span lang=FR-CA><o:p></o:p></span></p>
<p><span lang=EN-CA style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>}</span><span lang=FR-CA><o:p></o:p></span></p>
<p><span lang=EN-CA style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'> </span><span lang=FR-CA><o:p></o:p></span></p>
<p><span lang=EN-CA style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'> </span><span lang=FR-CA><o:p></o:p></span></p>
<div>
<div class=MsoNormal align=center style='text-align:center'><span lang=FR>
<hr size=2 width="100%" align=center>
</span></div>
<p><b><span lang=FR style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>De :</span></b><span
lang=FR style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> <a
href="mailto:papervision3d-bounces@osflash.org" target="_blank">papervision3d-bounces@osflash.org</a>
[mailto:<a href="mailto:papervision3d-bounces@osflash.org" target="_blank">papervision3d-bounces@osflash.org</a>]
<b>De la part de</b> Trevor Burton<br>
<b>Envoyé :</b> 3 décembre 2007 13:47<br>
<b>À :</b> <a href="mailto:papervision3d@osflash.org" target="_blank">papervision3d@osflash.org</a><br>
<b>Objet :</b> Re: [Papervision3D] 3rd person camera</span><span
lang=FR-CA><o:p></o:p></span></p>
</div>
<p><span lang=FR-CA> <o:p></o:p></span></p>
</div>
<div>
<div>
<div>
<p><span lang=FR-CA>This looks like a lookAt() function to me.... it's not
setting the camera's position - it's setting it's orientation - the direction
it's looking in. Do you want the camera to point at a particular spot in
the scene? <o:p></o:p></span></p>
</div>
</div>
</div>
<div>
<div>
<div>
<p><span lang=FR-CA> <o:p></o:p></span></p>
</div>
<div>
<p><span lang=FR-CA>if so use DisplayObject3D.lookAt() for this and pass it the
position of a D03D you want to point at.<o:p></o:p></span></p>
</div>
<div>
<p><span lang=FR-CA> <o:p></o:p></span></p>
</div>
<div>
<p><span lang=FR-CA>If you want the camera to point at something that isn't a
D03D, then just create an empty (dummy) DO3D and point the camera at that... <o:p></o:p></span></p>
</div>
<div>
<p><span lang=FR-CA> <o:p></o:p></span></p>
</div>
<div>
<p><span lang=FR-CA>if you want the camera to move from pointing at one thing
to pointing at another then you'll need to use a SLERP implementation - there
has been one posted on the list. <o:p></o:p></span></p>
</div>
<div>
<p><span lang=FR-CA> <o:p></o:p></span></p>
</div>
<div>
<p><span lang=FR-CA>if that's not what you're looking for then let me know.<o:p></o:p></span></p>
</div>
<div>
<p><span lang=FR-CA> <o:p></o:p></span></p>
</div>
<div>
<p style='margin-bottom:12.0pt'><span lang=FR-CA>T<o:p></o:p></span></p>
</div>
<div>
<p><span lang=FR-CA>On Dec 3, 2007 6:22 PM, René Lavoie <<a
href="mailto:Rene.Lavoie@sarbakan.com" target="_blank">Rene.Lavoie@sarbakan.com</a>>
wrote: <o:p></o:p></span></p>
<div>
<div>
<div>
<p><span lang=EN-CA style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Hi
everyone,</span><span lang=FR-CA><o:p></o:p></span></p>
<p><span lang=EN-CA style='font-size:10.0pt;font-family:"Arial","sans-serif"'> </span><span
lang=FR-CA><o:p></o:p></span></p>
<p><span lang=EN-CA style='font-size:10.0pt;font-family:"Arial","sans-serif"'>I'm
new to Papervision and new to 3D also. I have to build a prototype to test the
possibility of a 3<sup>rd</sup> person game. Someone gave me the algorithm to
set the camera position but I can't figure it out in Papervision class. Is
there anybody who can help me with that? </span><span lang=FR-CA><o:p></o:p></span></p>
<p><span lang=EN-CA style='font-size:10.0pt;font-family:"Arial","sans-serif"'> </span><span
lang=FR-CA><o:p></o:p></span></p>
<p><span lang=EN-CA style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Here's
the algo.</span><span lang=FR-CA><o:p></o:p></span></p>
<p><span lang=EN-CA style='font-size:10.0pt;font-family:"Arial","sans-serif"'> </span><span
lang=FR-CA><o:p></o:p></span></p>
<p><span lang=EN-CA style='font-size:10.0pt;font-family:"Courier New";
color:black'>Vector3D</span><span lang=EN-CA style='font-size:10.0pt;
font-family:"Courier New"'> <span style='color:black'>dir</span>, <span
style='color:black'>up</span>, <span style='color:black'>right</span>;</span><span
lang=FR-CA><o:p></o:p></span></p>
<p><span lang=EN-CA style='font-size:10.0pt;font-family:"Courier New"'>
<span style='color:black'>dir</span> = <span style='color:black'>object.dir </span>;</span><span
lang=FR-CA><o:p></o:p></span></p>
<p><span lang=EN-CA style='font-size:10.0pt;font-family:"Courier New"'> </span><span
lang=FR-CA><o:p></o:p></span></p>
<p><span lang=EN-CA style='font-size:10.0pt;font-family:"Courier New"'>
<span style='color:black'>up</span>.<span style='color:black'>Set</span> (0.0f,
1.0f,
0.0f); </span><span
lang=FR-CA><o:p></o:p></span></p>
<p><span lang=EN-CA style='font-size:10.0pt;font-family:"Courier New"'>
<span style='color:black'>right</span> = <span style='color:black'>CrossProduct
</span>(<span style='color:black'>up</span>, <span style='color:black'>desiredDir</span>);</span><span
lang=FR-CA><o:p></o:p></span></p>
<p><span lang=EN-CA style='font-size:10.0pt;font-family:"Courier New"'>
<span style='color:black'>right</span>.<span style='color:black'>Normalize </span>();</span><span
lang=FR-CA><o:p></o:p></span></p>
<p><span lang=EN-CA style='font-size:10.0pt;font-family:"Courier New"'>
<span style='color:black'>up</span> = <span style='color:black'>CrossProduct </span>(<span
style='color:black'>desiredDir</span>, <span style='color:black'>right</span>);</span><span
lang=FR-CA><o:p></o:p></span></p>
<p><span lang=EN-CA style='font-size:10.0pt;font-family:"Courier New"'>
</span><span lang=FR-CA style='font-size:10.0pt;font-family:"Courier New";
color:black'>up</span><span lang=FR-CA style='font-size:10.0pt;font-family:
"Courier New"'> .<span style='color:black'>Normalize</span>(); </span><span
lang=FR-CA><o:p></o:p></span></p>
<p><span lang=FR-CA style='font-size:10.0pt;font-family:"Courier New"'>
<span style='color:black'>cam</span>-><span style='color:black'>SetOrientation</span>
(&<span style='color:black'>dir</span>, &<span style='color:black'>up</span>);</span><span
lang=FR-CA><o:p></o:p></span></p>
<p><span lang=FR-CA style='font-size:10.0pt;font-family:"Courier New"'> </span><span
lang=FR-CA><o:p></o:p></span></p>
<p><span lang=FR-CA style='font-size:10.0pt;font-family:"Courier New"'>Thanks</span><span
lang=FR-CA><o:p></o:p></span></p>
<p><span lang=FR-CA style='font-size:10.0pt;font-family:"Arial","sans-serif"'> </span><span
lang=FR-CA><o:p></o:p></span></p>
<p><span lang=FR-CA style='font-size:10.0pt;font-family:"Arial","sans-serif"'> </span><span
lang=FR-CA><o:p></o:p></span></p>
</div>
<p><span lang=FR-CA> <o:p></o:p></span></p>
<div class=MsoNormal align=center style='text-align:center'><span lang=FR-CA
style='font-family:"Century Gothic","sans-serif";color:black'>
<hr size=2 width="100%" align=center>
</span></div>
<p><b><span lang=FR-CA style='font-family:"Verdana","sans-serif";color:black'>René
Lavoie</span></b><span lang=FR-CA> <o:p></o:p></span></p>
<p style='margin-bottom:12.0pt'><span lang=FR-CA style='font-size:8.0pt;
font-family:"Verdana","sans-serif";color:black'>Programmeur 2D<br>
2D Programmer<br>
Sarbakan<br>
P: +1-418-682-0601 208<br>
F: +1-418-682-2832 <br>
<a href="mailto:Rene.Lavoie@sarbakan.com" target="_blank">Rene.Lavoie@sarbakan.com</a><br>
<a href="http://www.sarbakan.com/" target="_blank"><span style='color:maroon'>www.sarbakan.com</span>
</a></span><span lang=FR-CA><o:p></o:p></span></p>
</div>
</div>
<p style='margin-bottom:12.0pt'><span lang=FR-CA><br>
_______________________________________________<br>
Papervision3D mailing list<br>
<a href="mailto:Papervision3D@osflash.org" target="_blank">Papervision3D@osflash.org</a><br>
<a href="http://osflash.org/mailman/listinfo/papervision3d_osflash.org"
target="_blank">http://osflash.org/mailman/listinfo/papervision3d_osflash.org</a><o:p></o:p></span></p>
</div>
<p><span lang=FR-CA><br>
<br clear=all>
<br>
-- <br>
Trevor Burton<br>
<a href="http://www.paperworld3d.com/" target="_blank">http://www.paperworld3d.com</a>
<o:p></o:p></span></p>
</div>
</div>
</div>
</div>
<p class=MsoNormal style='margin-bottom:12.0pt'><span lang=FR-CA><br>
_______________________________________________<br>
Papervision3D mailing list<br>
<a href="mailto:Papervision3D@osflash.org">Papervision3D@osflash.org</a><br>
<a href="http://osflash.org/mailman/listinfo/papervision3d_osflash.org"
target="_blank">http://osflash.org/mailman/listinfo/papervision3d_osflash.org</a><o:p></o:p></span></p>
</div>
<p class=MsoNormal><span lang=FR-CA><br>
<br clear=all>
<br>
-- <br>
Trevor Burton<br>
<a href="http://www.paperworld3d.com">http://www.paperworld3d.com</a> <o:p></o:p></span></p>
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