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I have an animation I've created where circle bounces around the screen. The animation is all done with keyframes. I'd like to apply a motion blur effect to the ball that makes it look like it was filmed with a camera. Is it possible to apply a directional blur to the ball such that it recognizes the keyframes of the ball and adjusts its direction and magnitude accordingly?
iMac with Retina 5K display, iOS 10.3.3
Just turn on Motion Blur from the Render Menu:
You can fine tune the effect in the Project > Properties inspector in the Motion Blur section:
The more samples, the smoother the motion blur. The Shutter Angle is supposed to simulate a video cameras shutter (the explanation for that is: it's a leftover terminology from the days when film motion picture cameras had a spinning shutter and the shutter speed was controlled by how fast it would spin calculated against a single frame - in other words, how long the opening spent traversing one frame measured in the angle of arc.) Don't think about that too hard - it hurts 😉
The default setting is 360º, but the most common shutter angle used in cinema is 180º.
All that said, you will still have to experiment somewhat to get the settings you prefer for motion blue AND as in increase the number of examples and the shutter speed (Shutter Angle) you will be increasing the amount of time it takes Motion to render each frame. Be prepared to Render (command-R) your video a lot. Find the Motion Blur setting you like and turn Motion Blur back off (you can turn it on again when you Export [Render settings] or when you finish developing your project and you render it one last time... so to speak.
There's a cheat that works fairly well -- Just apply Filters > Time > Trails to the group containing your animated circle. Crank up the Echoes and experiment with the Duration. (You might also try the Widetime filter).
HTH
Just turn on Motion Blur from the Render Menu:
You can fine tune the effect in the Project > Properties inspector in the Motion Blur section:
The more samples, the smoother the motion blur. The Shutter Angle is supposed to simulate a video cameras shutter (the explanation for that is: it's a leftover terminology from the days when film motion picture cameras had a spinning shutter and the shutter speed was controlled by how fast it would spin calculated against a single frame - in other words, how long the opening spent traversing one frame measured in the angle of arc.) Don't think about that too hard - it hurts 😉
The default setting is 360º, but the most common shutter angle used in cinema is 180º.
All that said, you will still have to experiment somewhat to get the settings you prefer for motion blue AND as in increase the number of examples and the shutter speed (Shutter Angle) you will be increasing the amount of time it takes Motion to render each frame. Be prepared to Render (command-R) your video a lot. Find the Motion Blur setting you like and turn Motion Blur back off (you can turn it on again when you Export [Render settings] or when you finish developing your project and you render it one last time... so to speak.
There's a cheat that works fairly well -- Just apply Filters > Time > Trails to the group containing your animated circle. Crank up the Echoes and experiment with the Duration. (You might also try the Widetime filter).
HTH
Use the Trails filter and separate the circle animation from the background video by placing each in their own group. Apply the Trails filter to the group containing the circle. Set the Echoes to 30 and adjust the duration to the trail you want. Leave the rest at default.
No - it's all or nothing. It's a "render option". The Trails and Widetime filters can be tweaked to be quite convincing. They can also be used to exaggerate motion blur, which is kind of cool because it looks like you've slowed down the action even though the animation is actually "normal speed", if you get my drift. It's a bit of an optical illusion.
This is perfect! Now one issue: the bouncing ball layer is on top of a pre-recorded video. Is there a way to turn off motion blur for the video but turn it on for the ball?
But as far as the render method goes, is there a way to render motion blur selectively?
JustonJustoff wrote:
… is there a way to render motion blur selectively?
No.
But you could export the 'movie' of the solo bouncing ball and comp it with the video in FCPX…
Motion 5 motion blur
