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DarkBASIC Professional Discussion / catmullrom command

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krfsim
22
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Joined: 26th Aug 2003
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Posted: 17th Sep 2003 15:23
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Could someone please provide a simple example of how to use this command? I understand its purpose - to smoothly move through the 4-control points defining a curve (but not as smooth as a Bezier curve). And I think I'm setting it up correctly, in that the value parameter adjusts the convergence speed of the interpolation process as the normalized percentage (u) between the points. In other words, to get a 50% point between A and B then use the parameters A,A,B,C,0.5; to get a 25% point between C and D then use the parameters B,C,D,D,0.25; to get the 75% point between B and C then use the parameters A,B,C,D,0.75. Am I on the right track or totally confused? Thanks.
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IanM
Retired Moderator
23
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Joined: 11th Sep 2002
Location: In my moon base
Posted: 17th Sep 2003 16:41
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Check out Chipones example code in the CodeBase
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