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Ribbon end point

Hi,

I need to destroy a ribbon trail that moves along a spline when it reaches the end, the problem is that i need to destroy it only when the tail reaches the end point of the spline, so:

there is any way to get the end point location of a ribbon?

Product Version: UE 4.14
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asked Feb 20 '17 at 08:47 PM in Rendering

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AugustoMoura
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avatar image DigitalMage Feb 23 '17 at 03:46 AM

How are you setting up the ribbon? Is it a loose particle system, or attached to a mesh?

avatar image AugustoMoura Feb 23 '17 at 03:52 PM

it is in the world not atached or anything, I use "set world location" to move it

avatar image DigitalMage Feb 23 '17 at 03:56 PM

Oh! I see what you mean. Ok. So here's a cheap way to do it.

You have a certain lifetime set on the ribbon (which specifies it's length). When the front touches an object, add in a delay node (equal to the lifetime of the ribbon), and then destroy it.

By definition, that will be at the point the end goes through the spline.

avatar image AugustoMoura Feb 24 '17 at 01:52 PM

yeah, that's exactly what i did to destroy it for now, but it doesn't seems to be very precise in long distances (maybe because i use tick interval to be fps relative), thanks anyway, it seems to be the only solution

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