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I spent all morning on one deep fake and saw the shadow move wrong when the head turned.
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caseyhart1mo ago
Syncing shadows with light position keyframes fixed that for me. The movement looks MUCH more natural now.
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grant_dixon1mo ago
Actually think you're all overcomplicating this. If the performance is good, most people won't notice a perfect shadow. Getting the head turn to feel right matters way more than the physics of a fake light source. Obsessing over tiny details like shoulder shadow direction just kills the shot's energy.
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stone.daniel1mo ago
But does the shadow softness change when the head moves closer to the light source? That's often missed in these setups.
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shane3271mo ago
Yeah that shadow thing is such a dead giveaway. I read a breakdown that said you have to treat the main light as a fixed point in the scene, not just on the face. @caseyhart is right about syncing to the keyframes, because if the light position in the room is static, the shadow direction should stay the same on the neck and shoulders even when the head turns.
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