Outlines Post-Process - Universal Outline Shader for Unity URP

Outlines Post-Process – Universal Outline Shader for Unity URP

Transform your Unity projects with Outlines Post-Process – a fast, customizable post-process outline shader for URP. Apply high-accuracy outlines across 2D & 3D scenes with depth, normal, and color-based detection. Perfect for stylized, cel-shaded, and full-scene visual enhancements.

Outlines Post-Process brings precise, full-scene outlines to your Unity URP projects. Designed for 2D and 3D environments, it enhances visual clarity, improves object distinction, and creates stylized effects like cel-shading. Lightweight and efficient, it runs in milliseconds on modern hardware while remaining fully customizable.

Whether you’re developing a stylized game, cartoon visuals, or complex 3D environments, this post-process shader delivers professional-quality outlines with minimal setup.

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Key Features ✅

• Image-Based Outline System – Apply outlines instantly to the full scene.
• High-Accuracy Detection – Supports color, depth, brightness, and normal-based algorithms.
• Organic, Stylized Look – Variation textures and distance-based adjustments give outlines an organic feel.
• 2D & 3D Compatibility – Works seamlessly across 2D sprites and 3D models.
• Customizable via Volumes – Adjust globally or per scene with local and global volumes.
• Performance Optimized – 0.1ms on Nvidia 3070M, 13ms on Google Pixel 4a.
• Particle & VFX Support – Works with particles, transparent objects, and special effects.
• Single-Pass Blur & Noise – Optional algorithms for softer, artistic outlines.

Customization Options 🎨

• Outline Thickness & Color – Control visual style to match your project.
• Distance-Based Scaling – Outlines adapt based on camera distance.
• Offset & Paper Textures – Create unique, hand-drawn or stylized effects.
• Blur Intensity – Soften outlines for cinematic or cartoon looks.

Technical Highlights 🔧

• Render Pass Component – Seamless integration into your URP pipeline.
• Volume Settings – Full control over global and local outline parameters.
• Compute Shader Support – Efficient GPU-based outline computation.
• Single Texture Binding – Note: not compatible with VR SPI.
• Platform Notes – Compute Shader prevents WebGL compatibility.

Perfect For 🎯

• Stylized or Cel-Shaded Games – Add artistic outlines to your characters and environments.
• Complex Scenes – Improve visual clarity and object distinction.
• 2D & 3D Projects – Flexible enough for both sprite-based and polygonal worlds.

Recommended Pairings 🔗

- Buto - Volumetric Fog and Volumetric Lighting for URP

- Altos - Skybox, Clouds, and Weather for URP

- Auto Exposure for URP

- Toon Kit 2

- Low Poly Fantasy Village Environment

FAQ ❓

Q: Does it apply per mesh or full-screen?
A: Full-screen post-process only.

Q: Are demo environments included?
A: No, demo materials only show the outline effect.

Q: Is it compatible with VR or WebGL?
A: VR SPI and WebGL are not supported due to technical limitations.