From the course: Unreal Engine Blueprint Interaction for ArchViz Projects

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Triggering the effect

Triggering the effect - Unreal Engine Tutorial

From the course: Unreal Engine Blueprint Interaction for ArchViz Projects

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Triggering the effect

- [Instructor] In this exercise, although we have already set up our line trace so that it fires from the right location and goes in the right direction, what we haven't set up is what the line trace should do once it actually hits something. Now what we want to do is finish off then, is make sure that our line trace not only knows what it is hitting in the scene, but also what it should then do in order to drive any of the interactions that we want to set up, which in our case, is to tell the computer screen to switch on and then run its custom event. Coming back to our first person blueprint graph, then, the very first thing that we will want to do is drag from the out hit output on the line trace by channel note. This being the part of the line trace that, as the name suggests, tests whether or not the line trace has hit something. What we need to do in this instance though, is make it a little more specific…

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