 | | | expressions question | expressions question 2004-05-25 - By Chris Marshall
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Alex,
This doesn't appear to take into account the diameter of the ball?
-- --Original Message-- --
From: owner-xsi@(protected) [mailto:owner-xsi@(protected)]On Behalf Of
alex dinnin
Sent: Tuesday, May 25, 2004 12:30 PM
To: xsi@(protected)
Subject: expressions question
For years, when translating a sphere. I have applied an expression so that
as it moves in z space it rotates in x... thus rolling along the floor....
this is the expression I have used..
Editing expression on: SPHERE1.kine.global.rotx
Valid expression : SPHERE1.kine.global.posz * 36
As I have never had to go to close up... I have never noticed that this is
actually wrong !!! and that on close inspection.. the translation of ball in
relation to the rotation is wrong.. the ball is sliding !!!
could anyone point me in the right direction please !!!!
Alex
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<DIV><SPAN class=515251412-25052004><FONT face=Arial color=#0000ff
size=2>Alex,</FONT></SPAN></DIV>
<DIV><SPAN class=515251412-25052004><FONT face=Arial color=#0000ff size=2>This
doesn't appear to take into account the diameter of the
ball?</FONT></SPAN></DIV>
<BLOCKQUOTE>
<DIV class=OutlookMessageHeader dir=ltr align=left><FONT face=Tahoma
size=2>-- --Original Message-- --<BR><B>From:</B> owner-xsi@(protected)
[mailto:owner-xsi@(protected)]<B>On Behalf Of </B>alex
dinnin<BR><B>Sent:</B> Tuesday, May 25, 2004 12:30 PM<BR><B>To:</B>
xsi@(protected)<BR><B>Subject:</B> expressions question<BR><BR></FONT></DIV>
<DIV>For years, when translating a sphere. I have applied an expression so
that as it moves in z space it rotates in x... thus rolling along the
floor.... this is the expression I have used..</DIV>
<DIV> </DIV>
<DIV><FONT size=2><FONT size=2><FONT size=2>
<P><STRONG>Editing expression on: SPHERE1.kine.global.rotx</STRONG></P>
<P><STRONG>Valid expression : SPHERE1.kine.global.posz * 36</STRONG></P>
<P>As I have never had to go to close up... I have never noticed that this is
actually wrong !!! and that on close inspection.. the translation of ball in
relation to the rotation is wrong.. the ball is sliding !!!</P>
<P>could anyone point me in the right direction please !!!!</P>
<P>Alex</P></FONT></DIV></FONT></FONT>
<P>
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