PileGen - Procedural Pile & Clutter Generator

PileGen — Procedural Pile & Clutter Generator (URP)

Create fully procedural piles of rocks, books, bottles, crates, debris, and more — directly inside the Unity Editor.

No models. No textures. No external assets.

Every shape, surface, and normal is generated procedurally.

⚠ Early Adopter Pricing Price will increase as new features are added. PileGen is currently offered at a discounted early-supporter price. Our target price is $29.99, and it will gradually increase as major features are released.

✦ Fully Procedural — Zero External Assets Required All geometry is generated via CPU mesh generation. All surfaces use procedural shaders. Every pile is completely unique. No textures. No third‑party assets. No modeling required.

✦ 30+ Ready‑to‑Use Presets Instantly generate:

• Rock piles
• Book stacks
• Bottle collections
• Wooden crates
• Metal pipes
• Alchemy potions
• Kitchen clutter
• Soda cans
• Tin cans
• Barrels
• Wood planks
• Debris
• And more

Drag. Drop. Generate.

✦ Procedural Fracture System (New in 1.1.1)

Shatter any generated shape into realistic shards — no physics engine required.

Fracture Shape Modifier Add fracture directly to any shape rule. Composes naturally with the modifier stack — Scatter(5) + Fracture(8) = 40 independent shards per placement.

Fracture Pile Action One-click shattering of your entire generated pile in-editor. Shards become independent GameObjects with convex colliders, ready for physics or baking.

5 Fracture Styles:

• Uniform — natural irregular chunks (rocks, concrete)
• Splinter — long-axis bias (planks, bones)
• Grid — world-aligned cuts (tiles, masonry)
• Radial — pie-wedge slices (columns, wheels)
• Glass — radial + concentric rings (hollow bottles, glassware)

Full control per style: Cap Mode (Solid fill or open cuts), Shard Gap, Hide Probability (ruined/damaged looks), Inner Material slot, seed override.

✦ 13 Procedural Material Types Each material includes unique surface patterns, procedural normals, and per‑instance color variation (no flickering). Rock · Wood · Brick · Crate · Book · Glass · Metal · Fabric · Ceramic · Concrete · Foliage · Plastic · Generic

✦ Dual Shading System Switch per profile:

Standard Mode • Triplanar PBR shading • Fully procedural surface detail

Biome Mode • Stylized low‑poly palette shading • Perfect for stylized or mobile projects

Mix and match freely.

✦ 7 Pattern Library Overlays Layer additional procedural detail onto any material: Voronoi · Stripes · Checker · Waves · Dots · Marble · Scales No textures required.

✦ 12 Primitive Types Cube · Sphere · Icosahedron · Rock (Voronoi) · Cylinder · Torus · Pipe · Plane · Extrude · Lathe · Compound · Prefab

✦ Advanced Shape Systems

Extrude Primitive Sweep any 2D silhouette along a Bézier path.

Rock Primitive Generate unique Voronoi rock hulls — every instance is one‑of‑a‑kind.

Lathe & Compound Systems

• 40+ lathe profiles (bottles, vases, jars, cans, columns)
• Compound shapes (crates, pallets, chairs, tables)
• Built‑in Lathe & Extrude profile editors

✦ 7 Stackable Shape Modifiers Per-shape procedural operations, applied in any order:

• Scatter — random clones within a radius
• Array — linear stacks and rows
• Transform — fixed offset, rotation, scale
• Noise — Perlin vertex displacement
• Bend — sine-based Y-axis curve
• Jitter — low-poly vertex offsets
• Fracture — BSP shard generation (New)

✦ 6 Vertex Shape Modifiers GPU‑side deformations (zero cost when disabled): Taper · Twist · Bulge · Squash · Round · Vertex Noise

✦ Physics‑Based Settling One‑click simulation:

• Pieces fall naturally
• Real collision stacking
• Fully deterministic with seed control

✦ Texture Baking Pipeline Bake everything into:

• Single texture atlas
• Auto‑generated UVs
• Standard URP/Lit material

Perfect for: Mobile · VR · Lightmapping · Optimization passes

✦ Production‑Ready Baking Tools Mesh combining (single draw call) · Texture atlas baking · URP/Lit material conversion · LOD generation · Static batching · Prefab saving · Multi‑material support

✦ LowPoly / Palette Shader The PileGen/LowPolyStyle shader uses 1D palette textures with per‑island color randomization for stylized visuals. Includes built‑in Palette Generator Tool.

✦ Flexible Workflow Quick Preset Mode (generate without a full profile) · Count & Scale multipliers · Circle or Rectangle footprint · Per‑generator placement overrides · Auto Generate / Auto Settle live preview · Scene Manager for batch operations

✦ Powerful Custom Inspectors Interactive 3D pile preview with orbit camera · Material Browser · Shape Browser · Palette Browser · Seed control with instant variations · Per‑layer shape control · Distribution curves (density, height, scale) · Full ShaderGUI for all material properties

REQUIREMENTS

• Unity 2022.3.62f3+ (LTS recommended, Unity 6 supported)
• Universal Render Pipeline (URP)

WHAT'S INCLUDED

• Full C# source code
• 30+ pile presets with materials
• 40+ lathe shape profiles
• Compound shape profiles (crate, pallet, chair, table)
• 100+ shape presets
• Custom triplanar shader (SRP Batcher + DOTS instancing compatible)
• DOTS / Entities SubScene support
• Comprehensive handbook & API reference
• Demo scene

SUPPORT Questions or issues? Use our In-Tool bug reporting or 📩

📷

[email protected] 

Published by HyperLightStudios