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Path in the Maya viewport, for reference. |
With 2 steps, the object follows a straight line |
10 steps are still far from enough to capture |
100 steps are needed to come close to the |
Increasing the number of steps does not usually have a large impact on the rendering performance, but can slow down the export process if the scene has complex relationships which take long to evaluate when the current time is changed.
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This setting allows you to control when the camera shutter opens and closes relative to the frame being rendered. When set to 0, the shutter opens at the start of the frame, so the future movement is captured, while a value of 1 makes the shutter close at the start of the frame, so only the past movement is seen. A value of 0.5 centers the exposure interval on the current frame. The following images demonstrate the effect of this parameter in a scene where a emitter sphere moves from left to right over the duration of 3 frames. The shutter angle is set to 360 degrees, so the exposure interval is equal to one frame:
Screenshot showing the position of the sphere |
Rendering frame 2 with offset 0. Only movement |
Changing the offset to 0.5 captures movement |
Offset 1 ends the exposure on the current frame, |
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See the Exposure section in the camera documentation for details on how you can control the shutter interval without affecting the image exposure. Most of the time when working with animation, you will probably find it easiest to use the camera in rotary shutter mode.