expressions question 2004-05-25 - By Peter Twardo
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Well, since the amount of rotation, depends on both : translation, and radius
of an object, your expression could't work.
I hope this helps:
(Try changing radius of your cylinder or whatever if you havent frozen it)
' ******************************************
CreatePrim "Cylinder", "MeshSurface"
Rotate , 90, 0, 0, siAbsolute, siParent, siObj, siX
ResetTransform "cylinder", siCtr, siRot, siXYZ
InspectObj "cylinder.kine.local"
AddExpr "cylinder.kine.local.rotz"
SetExpr "cylinder.kine.local.rotz", "cylinder.kine.local.posx*-(360/(2*PI
*cylinder.polymsh.geom.cylinder.radius))"
' ******************************
Peter
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<P><FONT face=Arial>Well, since the amount of rotation, depends on both :
translation, and radius of an object, your expression could't work.</FONT></P>
<P><FONT face=Arial>I hope this helps:</FONT></P>
<P><FONT face=Arial>(Try changing radius of your cylinder or whatever if you
havent frozen it)</FONT></P>
<P><FONT face=Arial></FONT> </P>
<P><FONT face=Arial>' ******************************************</FONT></P>
<P>CreatePrim "Cylinder", "MeshSurface"</P>
<P>Rotate , 90, 0, 0, siAbsolute, siParent, siObj, siX</P>
<P>ResetTransform "cylinder", siCtr, siRot, siXYZ</P>
<P>InspectObj "cylinder.kine.local"</P>
<P>AddExpr "cylinder.kine.local.rotz"</P>
<P>SetExpr "cylinder.kine.local.rotz",
"<STRONG>cylinder.kine.local.posx*-(360/(2*PI*cylinder.polymsh.geom.cylinder
.radius))</STRONG>"</P>
<P>' ******************************</P>
<P><FONT face=Arial></FONT> </P>
<P><FONT face=Arial>Peter</FONT></P></FONT></DIV></BODY></HTML>
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