Using pre keyed effects in your video projects
the video with Pre-keyed effect
Adding the Pre-keyed effect
creating a new composition
Open your Adobe After Effects and inside the project panel right-click > Import > File then Locate and select the two project files then click Open.
Note: Download the project files from Here.
Right-click the imported video file named (video without pre-keyed effect.mp4) and choose New Comp from Selection.
a new composition is created from the imported video.
in the project panel click on the file Named (Particles_02.mp4) to select it , then from file > choose Add Footage To Comp.
Go to file > Add Footage To Comp.
as you can see after adding the file (Particles_02.mp4) to the Composition it’s hiding the first video in the bottom see the image below.
To mix the particles pre-keyed effect and the video together we need to change the blending mode.
To do so: in the composition panel right-click the file (Particles_02.mp4) then in the menu go to blending mode > then choose Add.
after changing the blending mode you can see now the particles effect appears on the image of the buildings it’s that easy.
by clicking the play button you will figure out that the particles are adding a nice effect on the first video.
thats it hope you enjoyed this short tutorial.
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