Select the Trigger Boxes in your scene (one at a time), and with each one selected, right click and either search or manually locate OnActorBeginOverlap. Open Level Blueprint by clicking the Blueprints tab right next to Matinee in the top menu. Remember to SAVE YOUR FRIKKIN’ PROJECT 😉 (If it doesn’t look like this, or you can’t get it to work properly – watch the video.) You can now drag the timeline bar back and forth in order to see the door’s animation play out, and make sure you’re happy with it. Click Enter again to place a key for this position. Next, move the timeline bar to the end of the timeline, and then move the door mesh to it’s open position. Since we’re now creating a simple door, you probably want it’s starting position to be shut closed, which it should already be, and so just click Enter to place a key at the beginning of the timeline. You place animation keys by pushing Enter, and the keys will be placed on the timeline at the position of the black timeline bar. This being done, right click yet again, and choose Add New Movement Track, which will create the track where you’ll actually animate the door.īy dragging the green triangles you can adjust the length of the animation sequence. With the new group selected, right click once more and (again, be absolutely sure your door mesh is selected) choose Actors -> Add Selected Actors. With the door mesh selected, open the Matinee tab in the top menu, then down in the Track section right click and choose Add New Empty Group. Name it whatever you see fit. Now, time to create the open door animation. Therefore, with the door mesh selscted, in the Details menu on the right side, under Transform, make sure the Mobility setting is set to Movable. Your static mesh door will most likely be Static by default, which is no good if you want to animate it. Make sure both door knobs have their own Box Trigger. Simply drag the Box Trigger into the game scene (4) and place it where you want it (most likely directly over the door knob, right), like this: Our meshes are put up, so it’s time to add the triggers that will open and close the door. In Modes (1) menu up and to the left, click Basic (2) and locate a Box Trigger (3). This one will get a red light, like this: I add another door knob-thingy on the other side as well, which closes the door. In this example, I’m not intending to do anything flashy, so it’s enough to simply utilize some of the already included meshes, add a material or two, and a static light just to make it look cozy. It seems like people enjoy it, and so here it is:Īnd for those of you who’d like to have the steps written down, here we go:įirst off, I want to set up the static meshes that I’ll use as the door knobs and the door.
#UNREAL ENGINE 4 ANIMATION HOW TO#
Unreal Engine 4 Tutorial – Open Close Door with Triggers and MatineeĪ few weeks ago I created an Unreal Engine 4 video tutorial showing how to create a door you can open and close with the use of a couple of triggers and the animation tool matinee.
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