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Version: Reality 5.4 SP2

Triggering Multiple Actions via Single Button

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Main goal of this section is changing state of Character Blueprint, load a level with Level Streaming and change the color of Spotlight Control blueprint simultaneously with a single click.

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In this section, we will be utilizing MainLevel map of the RealityExample, the project shipped with Reality 5.4 SP2.

It is possible to trigger multiple actions with a single button.

Preparation​

  • Launch the RealityExample project.

Example Node Tree

  • Create a node tree and activate the APM, as shown in the image above.
  • Change the camera angle to a suitable position to observe changes by using GamePad feature.

Creating Actions​

Blueprints in Reality Hub

  • Create a new Action, rename it to something like Play All.
  • Select the UE5 node, go to Node Details Panel.
  • Expand the UE5 folder, then go to Blueprints > and select the BP_LevelStreaming.
  • Go to Properties panel, expand the Default.
  • Click on the Add Timeline button of the Load Level property, as illustrated above.

Blueprints in Reality Hub

  • By inheriting the previous method, add the Chane State property of the Character Blueprint into the timeline, as shown in the image above.

Spotlight Blueprint

  • Add the Lightcolor&intensity property of the BP_Spotlight into the timeline, as shown in the image above.

Action Timeline

We added Load Level, Change State and Light Color & Intensity properties to the Action Timeline, as illustrated above.

Animation​

Adding Keyframes

  • Go to first frame and add keyframe to each property.
  • Go to second 2, change the Blue value of Lightcolor&intensity from 0.500 to 5.000
  • Add a keyframe to Light Color & Intensity, change its interpolation type to EaseInOut, as illustrated above.
  • Save the action.

Reversing Animation​

Reversing Animation

  • Create a new Action, rename it to something like Stop All.
  • Add Unload Level, Change State and Lightcolor&intensity properties to the Action Timeline.
  • Go to first frame and add keyframe to each property.
  • Go to second 2, change the Blue value of Lightcolor&intensity from 5.000 to 0.500.
  • Add a keyframe to Lightcolor&intensity, change its interpolation type to EaseInOut.
  • Save the action.

Creating Template Form​

Template Form

  • Activate the Form Builder and create a new template form.
  • Go to the first Action, click & hold your left mouse button on the Action Play button, drag & drop it into Form Area.
  • Repeat the same procedure for the second action.
  • Save the Template Form, as illustrated above.

Playout Module