When I use the timeline to change the brightness of the light, the random number also changes. How can I solve it?
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Please be more specific, what random number?..
Sorry,my bad. The random number is PointLight’s number, left side of the picture.
Yes, it’s because the SetIntensity node is making a call on the GET for every frame of the timeline. This is how BPs work.
If you want to choose a random light, pick it first and put it in a variable, then give that variable to the SetIntensity.
Thanks for your answer. It helped me solve the problem successfully.