Colored Shadow Penumbra
3 hours ago
- #Unreal Engine
- #Shader Editing
- #Graphics
- Romain Durand inspired colored penumbra effect in shadows.
- Implementation modifies engine shaders, not post-process.
- Advantages include ease, works with all dynamic lights, and is cheap.
- Limitations: global saturation only, needs wide penumbras, not for baked lights.
- Shader edit instructions provided for Substrate and non-Substrate.
- Configurable PenumbraSaturation value for adjusting color strength.
- Effect desaturates then saturates based on luminance blending.
- Gray or fully-saturated surfaces show no change.
- Comparison shots from Quixel demonstrate the effect.