Decal Collider

🚀 Decal Collider takes the pain out of decal physics!

Generate perfect, alpha-trimmed visual meshes and matching MeshColliders in a single click. No more invisible gaps or oversized hitboxes. Just drop it into any render pipeline and start projecting.

✨ Key Features

• 🛠️ One-Click Build – Select the Decal → hit Rebuild → done.
• 🎯 Pixel-Perfect Colliders – Colliders are trimmed to your decal’s alpha, so players only hit what they see.
• 💥 18 Projection Directions – Forward, inverse, box, hemisphere & more.
• ⚙️ Live Scene Handles – Move, rotate, and adjust depth and mesh offset directly in the Scene view.
• 📦 Runtime API – Full C# API (with XML documentation) for procedural decals, analytics, and pooling.
• ⏳ Stats Panel – Instantly see the triangle count, ray count, build time, and memory usage.
• ♻️ Undo-Safe & Prefab-Friendly – Works in Edit & Play mode, fully supports Prefabs.
• 🛡️ Zero Runtime GC – Optimized for mobile.
• 🌈 Built-in, URP, HDRP – Tested with Unity 2022.3 LTS+.

📂 What’s Inside?

• ⚙️ Core DecalCollider component (runtime & editor scripts)
• 🖥️ Editor Tools: custom inspector, gizmos, beam visualiser
• 🎮 Demo Scenes: stickers of important world locations and a world map
• 📚 PDF & Online Documentation + quick-start guide
• 🐉 Sample Textures (CC0)

🔌 Integration

• Import the package.
• Select any object in your scene and add the DecalCollider component via the "Add Component" button in the Inspector panel.
• Click 'Rebuild' – the collider & visual mesh are generated instantly.
• (Optional) Control everything at runtime via DecalCollider.Build(), RebuildSafe(), or the fluent API.

🔖 Requirements

• Unity 2022.3 LTS+
• Render Pipelines: Built-in, URP, HDRP

• Need help or have a feature request? Join our Discord
• Thank you for checking out Decal Collider – happy projecting! 🎉