He first explained how the eyes move in relation to other parts of the face, e.g. the lower lids tend to react to cheek movement. And when we blink, it's mostly the upper-lid which moves with a little of the lower, with the lids generally meeting below halfway.
Keith also explained that if possible, you should try and represent the angle of the eyebrow with the top eye lid. This is known as shadowing, and I will be looking to incorporate into my character's expressions. This helps to 'sell' the idea of emotion to the viewer.
He also came up with a thought-provoking analogy. He said to think of the face as a saxophone. It has lots of different buttons, but can only play one note at a time. Meaning, every part of the face should be complimenting that one emotion, NOT playing a different tune to each other.
He then went on to explain the Blink and how to use it:
The Basic Blink
- 2 frames to open
- 2 frames to hold.
- 4 frames to close.
(2 - 2 - 4 @ 24fps)
- Generally with a blink, there is a fast-in and an ease-out. So by frame 6, you can move the lid further, so it is most of the way open.
- If shadowing (the movement), take the 2nd frame (brows down), 9th frame (brows up).
A Half-Blink
Sometimes useful when a character is in thought, applying effort, is distracted or confused.
There is NO Hold.
- 2 frames down (close halfway).
- 3 frames to open.
As a beginner's guide to eyes and using blinks this was very useful. I will definitely be looking to incorporate these into my scene.
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