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torific

the arrow label worth nothing, it is only for decorative purposes.

and the initial rotation of the object sets the initial direction of the gravity concerned.

hmmm... didn't fully understand. I created polygonal object. Then i created lable as arrow and set it red. I see that I can moving red dot. But I cannot set this arrow label as gravity maker...(

@samvkahn: error on the text ? erm ... maybe a french character like 'é' ... anyway it's not modify the gameplay.

@DoubleMike: i wanted to use this this property like in the level "08 : connection"
how can you make it ? it's simple ;)
first select the triangular goal... see the 3 coloured lines , OK ? Now, did you notice there was three coloured dots ?
While making this level my level, i clicked on the red dot attached to the goal, and clicked on the black object, and a small red circle appeared in the center of this one.

I got an error on the text

Very Cool! Interesting...how have you done moving object (near the end) which changes gravity)