Lesson Summary

In this lesson, we covered:

• Creating a gate as a gameplay element in Unreal Engine.
• Configuring components and using scene components as pivot points.

What did we do?

✅ Updated for UE 5.4.1

Create a new blueprint for the gate and set up the components

• 
  In the Content drawer / browser, create a new folder named Gate inside the Content/DungeonCrawler/GameElements/ folder. 
• Inside the folder, create a new actor blueprint called BP_Gate.
• Add a Static Mesh component and rename it to DoorMesh.
• Create a static mesh using the modeling tools, call it SM_TempGatePiece, move it to our Gate folder. (Use the Create menu to add the box and the Model → PolyGroup Edit to edit it)
• Optional: If the created static mesh has a weird pivot point, it is recommended that you edit it by going to the XForm → Edit Pivot menu inside the modeling tools and clicking on the button called Bottom, and then on Accept.
• Set the newly created mesh as the Static Mesh in the DoorMesh static mesh component.
• Duplicate the DoorMesh component and rename it to RightDoorMesh, and the other to LeftDoorMesh.

Set up scene components as pivot points inside the blueprint

• Add a Scene component to your gate blueprint and rename it to RightDoorScene.
• Attach (drag and drop on top of) the RightDoorMesh component to the RightDoorScene.
• Click the RightDoorMesh component and move it only in the Y axis to the side in a way that the scene component is on the edge.
• Adjust the location of the RightDoorScene to the right side.
• Do the same steps for the other side.

Unreal Engine Terminology

Forward Axis: In Unreal Engine, the X axis is considered the front.

Right Axis: In Unreal Engine, the Y axis is considered the one on the right.

Up Axis: In Unreal Engine, the Z axis is considered the one that goes up.

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