Lighting up a letter from one end to the other - Like a 3D "progress bar"

Asked Jun 29 '23 at 21:41

Active Jun 30 '23 at 12:30

Viewed 42 times

I would like to animate a 3D letter gradually filling with light from one end (kind of like a 3D "progress bar" that goes around corners).

I would also ike to ensure that the light has a rounded tip as it travels around the letter.

I have used a curve to create the letter "U" for the below example, and I have made a mock up of how I would like the light to progress around the letter (it's just using multiple static meshes, and is not animated in any way).

I would like to ask for some ideas on ways to animate the light smoothly progressing around the curve. I have limited experience with using curves in projects.

Any ideas are appreciated and thankyou in advance!

edited Jun 30 '23 at 12:30

asked Jun 29 '23 at 21:41

Mr_Whiska

https://blender.stackexchange.com/questions/268252/round-smooth-the-end-points-of-curve-in-geometry-nodes – Duarte Farrajota Ramos Jun 29 '23 at 22:44
Does this answer your question? Round / smooth the end points of curve in geometry nodes – Chris Jun 30 '23 at 08:39
Thankyou Chris and Duarte, this might be helpful for rounding the edges, indeed! I still have the issue of figuring out how to animate light actually following the curve and filling the letter. – Mr_Whiska Jun 30 '23 at 12:20
Geometry nodes might help. Look into animating a Curve Trim node – Duarte Farrajota Ramos Jun 30 '23 at 13:01
This one might help you with that – Robin Betts Jun 30 '23 at 14:42

Lighting up a letter from one end to the other - Like a 3D "progress bar"

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