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Exporting Transparent Videos from After Effects for Game Cutscenes
When preparing video cutscenes with transparency for your game, particularly in Unity, it is critical to ensure the video is exported correctly. Here are the steps and settings you need to follow to export a video with transparency in After Effects:
Step 1: Select Your Composition
First, choose the composition you want to export. Ensure it includes all necessary elements for your cutscene transition.
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Step 2: Configure the Output Module
Navigate to Composition > Add to Render Queue. In the Render Queue panel, click on the word Lossless next to Output Module. In this menu:
- Set the Format to QuickTime.
- Under Video Output, set Channels to RGB + Alpha.
- Select a codec that supports alpha channels, like ProRes 4444 or Animation.
Step 3: Render Settings
Return to the Render Queue, click on Best Settings next to the Render Settings header:
- Ensure Quality is set to Best.
- Resolution should align with your game’s intended resolution to maintain performance and quality.
Step 4: Exporting the Video
Set your file output destination by clicking on the Output To field. Choose your desired file name and location. Then click Render to begin exporting your video.
Step 5: Importing into Unity
Once your video is exported with alpha transparency, you can import it into Unity. Unity supports importing ProRes files with alpha channels, allowing seamless integration for cutscene transitions.
Common Issues and Solutions
- Video not displaying transparency: Double-check that you’ve selected RGB + Alpha in After Effects and your graphics are properly created with transparent areas.
- Performance issues in Unity: Optimize the video’s resolution and codec to balance quality and performance.