Physics Problem with a rope and a helicopter

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Post » Fri Aug 24, 2012 11:43 am

Link to the a file in question.
https://dl.dropbox.com/u/74175978/Helepcopter_Test.capx

I've been trying to work this problem out for a while now to no avail for the past few days.
I'm trying to build a simple helicopter design with something attached to it via a rope.
In the example above I have had to remove all custom sprites and images, so I hope black boxes will suffice for now.

As you can see the rope looks odd and doesn't stick to the helicopter.

Any help you can suggest will be greatly appreciated.
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Post » Fri Aug 24, 2012 1:48 pm

Does no one know how to fix this problem?
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Post » Fri Aug 24, 2012 3:29 pm

Come on guys, please. This has me really stumped, a link or anything to a solution would be ideal.
I don't expect this done for me, just need some advice in the right direction
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Post » Fri Aug 24, 2012 3:35 pm

sorry @work and can't try it out for myself, but have you used the joints correctly?

I tried something "similar" what you described (okay, without a heli) but with a rope, would an example of this help you?
http://www.ubivis.de/bungie/
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Post » Fri Aug 24, 2012 3:58 pm

I since edited the joints so that they now correctly link together
*Updated the file in drop box*

I'm now just struggling to stop the Magnet (Attached to rope, attached to helicopter) from being able to spin all the way round.

I tried a limited revolute joint but that just seemed to cause the magnet to bug between odd positions that I didn't set.

Thanks for the example, its not far off what I'm hoping to achieve but the hook of your rope is attached to a static object whereas mine is controlled by the player.hugothewhitewolf2012-08-24 15:59:45
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Post » Fri Aug 24, 2012 4:48 pm

Use a limited revolute joint with the lower/upper angles set to -90/90, say. Disable physics collisions between the rope and helicopter/magnet. And use 'apply torque' to rotate the helicopter.
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Post » Fri Aug 24, 2012 4:54 pm

Spot on Ramones, works perfectly.

Need to alter the limitation a little for the perfect effect but I can't thank you enough.
3 days of struggling and in less then 30 seconds I can see it working like a dream.
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Post » Fri Aug 24, 2012 5:15 pm

@hugothewhitewolf

Can you share the CAPX for who have the same issue see the solution?

I'm talking it because many people is beginning and it can help them a lot.
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Post » Thu Aug 30, 2012 1:08 pm

Sure thing, the link should remain the same as I've just updated the drop box file. Hope that helps TelleS0808.
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