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Question by Solu9 · Jul 21, 2015 at 09:36 PM · movementdistanceobjectsangletwo

Move object towards an angle the distance of two points

This issue has haunted me the whole day now and I'm quite irritated that I cannot figure out how to solve it.

I have two objects; Object_A and Object_B. I need to calculate the angle between them and then move Object_B the distance between Object_A and Object_B towards the calculated angle.

I hope it makes sense.

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avatar image Dave-Carlile · Jul 21, 2015 at 09:37 PM 0
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You mean move Object A toward Object B? $$anonymous$$aybe a diagram would help explain.

avatar image Solu9 · Jul 21, 2015 at 09:47 PM 0
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I'll try to explain it with this image: alt text

The angle is quite obvious here but that will not always be the case. B needs to move the distance between A and B, towards the direction A->B.

angledistance.jpg (17.8 kB)

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Answer by Dave-Carlile · Jul 21, 2015 at 09:53 PM

I think this? But I can't test it right now.

 Vector3 newPosition = b + (b - a);

b - a gives a vector that points in the right direction, for the right length. So you should just be able to add it to b to get the new position.

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avatar image Solu9 · Jul 21, 2015 at 10:00 PM 0
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Zomg. It works... Although I had to use a + (a - b). And obviously I have no idea why :)

I'm not sure I understand why your solution works. $$anonymous$$ath is not really my thing ;)

Thanks for the help!

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