SS-CSPOM: Silhouette Shell & Curved Parallax Occlusion Mapping (URP & HDRP)
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Next-gen watertight silhouette shell displacement, curved surface parallax, and soft contact edge blending for Unity URP & HDRP.SS-CSPOM is a high-performance, next-generation surface relief shader and mesh baking suite built natively for both the Universal Render Pipeline (URP) and the High Definition Render Pipeline (HDRP).Unlike standard parallax shaders that only work on flat quads and flatten out at grazing angles, SS-CSPOM combines vertex silhouette shell displacement with curved surface raymarching. Geometric relief physically breaks the mesh outline while preserving 100% watertight, non-separated corners on cubes, pillars, and complex models.Includes a seamless 1-Click Pipeline Setup Wizard that automatically detects your active pipeline and configures your project in seconds with zero shader errors.⚡ KEY HIGHLIGHTSTrue Outward Silhouettes: Physical vertex extrusion combined with silhouette clipping makes stones, bricks, and bark break past the geometric edge.100% Watertight Miters: Built-in baking utility prevents hard edge splits and mesh separation on sharp 90° corners.Curved Surface Correction: Raymarching accounts for surface sagitta drop—no distortion on rounded pillars, cylinders, or archways.Full Pipeline Integration: Displaced depth and silhouette cuts are evaluated across Forward, ShadowCaster, Depth, and Motion Vector passes.🔥 CORE FEATURESNative Multi-Pipeline Support (URP & HDRP)URP Architecture: SRP Batcher optimized, Forward & Deferred compatible, native Depth and Shadow passes.HDRP Architecture: Full GBuffer, Forward clustered lighting, DepthPrepass with displaced depth offset, ShadowCaster silhouette clipping, and MotionVectors pass integration (zero ghosting with TAA, DLSS, and FSR).1-Click Pipeline Setup WizardDedicated Editor Wizard (Tools > SS-CSPOM > Setup Render Pipeline) auto-detects your project configuration and switches shaders, materials, and demo scenes instantly.Watertight Silhouette Shell Displacement (SPOM)Extrudes geometric relief beyond the physical mesh outline while preserving flat roof/floor caps and maintaining seamless corner miters.Curved Surface POM (CSPOM)Analytic sagitta curvature correction for cylinders, capsules, and curved walls. Rays follow the curved surface topology with zero planar distortion.Universal Watertight Mesh Baker ToolIntegrated Editor tool (Tools > Shell Expansion (SPOM)) uses a 27-neighborhood 3D spatial hash to cluster split vertices at hard edges and calculate shared miter apex vectors. Automatically packs optimal UV data for both URP and HDRP.Accelerated Coarse-Binary RaymarchingTwo-phase raymarcher (coarse linear bracketing followed by binary interval refinement) delivers 2–3x faster ray evaluations than brute-force linear search.Decorrelated PDO Soft Contact BlendingUses Jimenez Interleaved Gradient Noise with normal-axis decorrelation to softly dither contact seams where displaced geometry intersects ground/floor meshes.Dynamic Directional Self-Shadows & Slope NormalsRaymarched directional light self-shadowing combined with analytic heightfield slope normal reconstruction so steep stone edges receive accurate glancing light.Corner Triplanar FallbackAutomatically detects corner texture stretching on inflated shell miters and blends localized world-space triplanar projection to eliminate corner UV distortion without texture swimming.Custom Material InspectorClean collapsible foldouts, contextual disabled scopes, automatic keyword handling, and one-click Quality Presets (Low, Medium, High, Custom).100% SRP Batcher CompatibleStrict UnityPerMaterial CBUFFER declarations for maximum batching efficiency and low draw call overhead.📦 PACKAGE CONTENTSSS-CSPOM Shaders: Native URP and HDRP Lit POM Shaders with HLSL core libraries.1-Click Pipeline Setup Wizard: Automatic RP detection and project installer.Universal Shell Expansion Baker: Standalone Editor tool for baking watertight UV expansion channels.Custom ShaderGUI: Clean, organized inspector with quality presets and automatic keyword synchronization.Interactive Showcase Demo Scenes: Configured showroom environments for both URP and HDRP with real-time lighting, post-processing profiles, and orbit camera controls.3 Production-Ready 4K PBR Material Sets: Complete high-resolution texture sets for River Pebbles, Rocky Stone Wall, and Brick Wall (AO, BaseColor, Height, Metallic, Normal, Roughness, Self-Shadowing).Full Documentation: User manual and quick-start guide.⚙️ COMPATIBILITY & REQUIREMENTSUnity Version: Unity 2021.3 LTS, 2022.3 LTS, Unity 6+Render Pipelines Supported:Universal Render Pipeline (URP)High Definition Render Pipeline (HDRP)Target Platforms: PC, Console, VR, and High-End Mobile.URP Requirement: Requires Depth Texture enabled in your active URP Asset.HDRP Requirement: Requires Depth Prepass and Motion Vectors enabled in your HDRP Asset.This package was developed with the assistance of AI tools. AI (large language models) was used during planning and development of the shader code (HLSL), editor tooling, and documentation, working from the publisher’s own design and direction. All code and features were reviewed, tested, and validated by the publisher in Unity URP and HDRP before release. The 4K PBR demo texture sets included in the package (River Pebbles, Rocky Stone Wall, Brick Wall) were generated with AI image/texture generation tools.This package was developed with the assistance of AI tools. AI (large language models) was used during planning and development of the shader code (HLSL), editor tooling, and documentation, working from the publisher’s own design and direction. All code and features were reviewed, tested, and validated by the publisher in Unity URP and HDRP before release. The 4K PBR demo texture sets included in the package (River Pebbles, Rocky Stone Wall, Brick Wall) were generated with AI image/texture generation tools.


