RE:Flex is a sophisticated morphing and warping plugin by RE:Vision Effects that integrates directly into the Fusion page of DaVinci Resolve or standalone Fusion Studio. It is widely recognized for creating fast, high-quality visual effects like seamless face morphs and complex image warping without the need for cumbersome mesh grids. Key Features for Fast Visual Effects
Spline-Based Workflow: Unlike traditional morphing tools that use meshes, RE:Flex uses Fusion’s native roto splines and polylines to direct warps. This makes it intuitive for those already familiar with Fusion’s drawing tools.
Automatic Image Registration: It is unique in combining manual feature-matching (hand-drawn splines) with the automatic tracking technology found in Twixtor. This allows the plugin to automatically align non-hand-matched parts of the image, significantly reducing the manual labor required for a smooth morph.
Interactive Warping: You can see the warp happen in real-time as you drag control shapes, providing immediate visual feedback.
GPU Acceleration: The plugin is GPU-accelerated, which helps maintain speed during playback and rendering. Core Workflow in Fusion
A typical fast VFX tutorial for RE:Flex involves these primary steps:
Alignment: Align your two shots (the “from” and “to” sequences) visually by adjusting their position and opacity in the timeline.
Define Morph Range: Set a specific frame range for the transition.
Create Spline Pairs: Draw “from” splines on key features (like eyes or mouth) of the first image and matching “to” splines for the second image.
Animate Transition: Keyframe the Global Warp Percentage and Global Blend Percentage from 0% to 100% over your chosen frame range to execute the morph.
Performance Tip: To improve interactivity in the Resolve Fusion page, you can adjust the “Proxy” or resolution settings in the RE:Flex Warp settings to lower resolution while moving splines. Typical Use Cases Quick Tip Tutorial – Fusion and RE:Flex
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