“È davvero utile poter realizzare l'editing al volo. Spesso riprendo con il telefono. Poi entro e inizio a modificare. È utile per verificare subito che una transizione funzioni. Perché in caso contrario posso girare nuove scene all’istante.”
Come creare una rampa di velocità in Adobe After Effects.
Karen X. Cheng spiega come un piccolo cambio di ritmo può creare un'atmosfera completamente nuova in un video semplice.
Gioca con il tempo.
Fai clic con il pulsante destro del mouse su una clip nella timeline e scegli Tempo > Attiva modifica tempo per applicare una rampa di velocità e alternare un movimento lento a uno veloce, aggiungendo intensità alla scena.
Imposta i punti di ingresso e di uscita.
Trascina i fotogrammi chiave sulla timeline per definire l'inizio e la fine della rampa di velocità. Quindi fai clic con il pulsante destro del mouse su ciascun fotogramma chiave e scegli Assistente fotogramma chiave per selezionare le opzioni di andamento che permettono di controllare la transizione del movimento tra due velocità.
Sperimenta l’andamento del ritmo in modo creativo.
Il movimento può iniziare lentamente e poi accelerare (ingresso graduale) o viceversa (uscita graduale). Fai clic sul pulsante Editor grafico nella timeline e sul pulsante Regolazione automatica in basso per visualizzare altre impostazioni di accelerazione/decelerazione per ciascun fotogramma chiave.
Perfeziona il tutto.
Trascina le maniglie per perfezionare la transizione del movimento e premi la barra spaziatrice per visualizzare l'anteprima dell'effetto. Ripeti questa procedura finché il risultato è di tuo gradimento.
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