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here I have a complex curve generated from a text,And I wan this cube to follow that curve,(making a writing animation),I tried the follow path but id didint work well,My question is: Is there is any other way to do this?enter image description here

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  • $\begingroup$ I am going to use the cube as a fluid object,so it should move,I am going to write with chocolate. $\endgroup$
    – Omar Emara
    Jul 13 '15 at 20:13
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As probably one of approaches is to use one cube for this animation with multiple Follow Path constraints added.

In the example below I added 5 different curves, and 5 different Follow Path constraints for the cube.

gif

I used Offset option (thus animated it) in all constraints except for the first one (and actually for the circle, for some reason). I also animated Influence option of every constraint to make every one of them to work separately.

To bake this action to keyframes and get rid of constraints you should select that cube, hit Space and enter Bake Action (or 3D View > Object > Animation > Bake Action). In the options you should select Visual Keying and (optional) Clear Keyframes - you won't need them:

enter image description here

based on this answer

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  • $\begingroup$ Is there is anyway I can convert this into a key frame animation,like bake to key frame in rigid body ? $\endgroup$
    – Omar Emara
    Jul 14 '15 at 9:42
  • $\begingroup$ @OmarAhmad I updated my answer $\endgroup$
    – Mr Zak
    Jul 14 '15 at 14:29
  • $\begingroup$ It would probably be easier to duplicate that curve object (the text), and join it into one continuous curve. That way all you have to adjust is the speed/position along the curve, and you don't need to worry about constraints. $\endgroup$
    – Mentalist
    Feb 13 '16 at 1:18
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You might be forced to use multiple curves, and a cube for each curve with a Follow Path constraint with a different Offset, and animate the cubes to appear and disappear (the camera icon on the outliner controls this) at different times.

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