Today I whipped up a little walk cycle animation for an assignment and noticed that there's one specific layer that will lag my timeline playback. It's a layer I created for dust to kick up when my character's feet hits/leaves the ground. I used Paint Brush>Artistic>Chalk Charcoal Pencil>Charcoal.
I noticed that when this layer is hidden, I get a fine 24fps non-laggy playback. When I enable the layer, it lags. I would assume this is due to the fact that the brush style is somewhat dynamic and has lots of holes and opacity changes. However, I have very minor strokes keyed on these frames, since it's just a little dust that gets kicked up when the character's feet hit the ground.
This is the only layer that doesn't use shapes or basic solid brush lines. I have 12 layers, and there isn't too much going on in the scene, so I'm a little confused why this charcoal brush is what causes timeline playback lag. I checked a bunch of other forum posts relating to timeline lag and I assume those folks are using a lot more dynamic brush styles, so I'm sure their playback lag is much worse.
The playback is fine in the Test preview (and the render), but working from that (as many others have stated) can be very annoying to keep going back and forth with.
I'm on the latest version of Animate, and I'm running a GTX 1080, with an i7-8700k and I have copious amounts of storage so I highly doubt my hardware is the issue.
I've also tried changing View>Preview Mode>Fast, as well as Timeline Settings>Match FPS, but that didn't change the timeline playback lag. I believe it simply has to do with the specific brush strokes being "too demanding" for animate to handle on the timeline playback, which doesn't really make sense to me as I'm sure thousands of people want to use more than just the basic line brush when animating without shapes.
I tried including my fla file, but it says: "
- The attachment's turtle_walk.fla content type (application/octet-stream) does not match its file extension and has been removed."
I don't know what that exactly means as it's just the animate file for my project, but if someone lets me know the proper way to export/upload the file if .fla doesn't work, I'll do that.
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