How to trigger a transition on an action in the footage
Tell Vizard Agent which action in the shot should set the transition off and what the transition should do. It pulls a strip of frames around that moment to find the exact frame the action lands on, studies how your reference resolves after the effect rather than only during it, and matches the reference's layout instead of its description.
What do you type into Vizard Agent?
Describe the mechanics, not the vibe. "A cool transition" and "the first video falls downward until it clears the frame" produce very different results, and only the second can be checked afterwards. Naming the part that moves, the foot landing or the hand closing, narrows the search for the frame.
Prompt
What does Vizard Agent actually do?
The transition only works if it starts on the right frame. One frame early and it anticipates the movement; one frame late and it feels like a delay. So Vizard Agent finds that frame by looking, not scrubbing, and studies the reference twice: once for how the effect runs, once for what follows it. In the session behind this article it:
- Got motion and timing notes for both clips, then made contact sheets of the outgoing landing frames and the incoming clip's first frames, so the trigger and its handover were chosen together.
- Refined the exact landing frame from a strip of the lower body only, and viewed that strip to confirm the choice.
- Analysed the reference's mechanics, built the falling transition on the chosen frame, rendered the edit and watched the transitions back for motion and sync.
- Enlarged the reference's transition frames and compared its layout against the delivered edit's.
- Inspected how the reference resolves once the effect finishes and the new shot settles, then rebuilt to match and re-checked.
When does this not work well?
The action has to be visible and definite. A soft movement, a blurred frame, or a moment hidden behind something else gives no single frame to fire on, and the transition then has to be placed by feel like any other cut. Mismatched formats also mean the geometry has to be rebuilt.
Common questions
How exact is the trigger frame? To the frame. Vizard Agent narrows it on the moving part.
Do I need a reference? No, but it helps. Vizard Agent will match its mechanics.
What if the action is blurred? Vizard Agent will say so and place the trigger by feel.