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Motion Blur on Orthographic Camera

Discussion in 'Image Effects' started by BrainAndBrain, Jun 5, 2018.

  1. BrainAndBrain

    BrainAndBrain

    Joined:
    Nov 27, 2014
    Posts:
    88
    I'm testing out the Post Processing Stack, specifically the Motion Blur effect, with an orthographic camera. I have it set to a 180-degree shutter with 15 samples, so a fairly tame amount of blur.

    Blur as a result of translation works as expected, but the blur that results from changing the camera's orthographic size or the camera's rotation jumps from no blur to full intensity over the course of one frame. This is most problematic when changing the camera's size, as I'm using that to 'zoom' in and out in my game.

    Are there any solutions/workarounds for this?

    Thanks!

    - David
     
  2. BrainAndBrain

    BrainAndBrain

    Joined:
    Nov 27, 2014
    Posts:
    88
    Bumping this thread.
     
  3. joaobsneto

    joaobsneto

    Joined:
    Dec 10, 2009
    Posts:
    118
    I'm having the same problem...
     
  4. BrainAndBrain

    BrainAndBrain

    Joined:
    Nov 27, 2014
    Posts:
    88
    Nice to know I'm not the only one!
     
  5. joaobsneto

    joaobsneto

    Joined:
    Dec 10, 2009
    Posts:
    118
    I found a thread that says to disable the effect when doing this transition and than enable again, but that's annoying.
     
  6. BrainAndBrain

    BrainAndBrain

    Joined:
    Nov 27, 2014
    Posts:
    88
    My problem is not so much that it bothers me to enable/disable the effect, but that I want the effect to behave similarly to moving the camera along the Z-axis. Faking the motion blur similarly to how After Effects and Motion would do it, or even how scaling an object would work.