This is what I have done to target a bone to SuzanneActually I want my bone to target an object when it comes near so I want the tracking constraint to be enabled when the object comes near. And I want to keep it disabled rest of the time.


1 Answer 1


Use the "run armature" actuator. you can even set it to enable/disable individual constraints like the one in your example!

enter image description here

heres a simple setup with a cobra lashing out at a cube.

  • $\begingroup$ I tried it before but it didn't work for me. I don't know where I am going wrong. $\endgroup$
    – simon143
    Sep 19, 2015 at 8:39
  • $\begingroup$ may you upload a .blend or a screenshot of your logic? $\endgroup$
    – Scalia
    Sep 21, 2015 at 15:04
  • $\begingroup$ I have posted my image above. can you send me your blend file. $\endgroup$
    – simon143
    Sep 22, 2015 at 15:50
  • $\begingroup$ adding blend to post $\endgroup$
    – Scalia
    Sep 22, 2015 at 17:00

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