Spline Spawner | Advanced Object Distribution

« Requires Unity 2022.3 or newer. Supports Unity 6 LTS »

📄 Documentation | 🟣 Discord | 💬 Forum thread

🎁 20% discount is available to Spline Mesher Standard and Pro users.

⭐ Built on Unity’s native Splines, enabling seamless interaction between tools, visuals, gameplay, and other systems: All using the same spline.

❓ What can this do?

🔸Effortlessly place objects along or inside Unity Splines, with full creative control over positioning, rotation, and scale.

🔸Use the flexible stack-based modifier system, where each step builds on the last.

🔸Line, area or terrain layer masking for ultimate control.

✅ NEW! Terrain layer masking support (free update!)

💪 You will be able to:

• Place streetlights, utility poles, or signs along roads and pathways
• Build fences, railings, and barriers following curves
• Scatter rocks, debris, or ruins across a zone or area
• Position checkpoints, race gates, or waypoints for driving or flying games
• Spawn your visual effects like fog patches, fireflies, or magic zones
• Generate procedurally placed NPCs, enemies, or creatures along paths

🚀 And so much more! Your creativity is the limit!

This tool makes for a pivotal companion in the creation of environments, structures or certain gameplay logic. Expertly crafted for professionals - easy to use by anyone.

🌟 Core Features

• Distribution along the spline curve, on knots or in lanes.

• Spawning within a spline's flat area

° Uniform distribution without overlaps and minimal empty space

° Radial distribution in rings

° Grid-based in rows & columns

• Innovative stack-based modifier system

• Deleting or restricting objects with other splines (masking)

• Restricting or masking objects based on terrain layers

• Random selection of input prefabs using a probability %

⚡Jobs/Burst and GPU accellerated, responsive and lightning fast realtime changes!

📑 Modifiers:

• Offset (uniform, by noise and randomly)

• Rotate

• Scale (uniformly, separate axis and randomly)

• Snap to Collider

• Snap to Grid (X/Y/Z)

• Cull

• Curvature Filter (limit to curved or straight sections)

• Height Filter

• Look At

• Custom

🔃 Modifiers can be reordered at will, making any specific flow of operations possible.

✅ Supports

• Runtime spawning, just modify the spline, no extra code besides yours!

• Multiple splines within the same container

🚧 Limitations:

• Spawned objects cannot remove objects from other spawners (occupancy system).

• Not completely suitable for 2D level design (assumed XZ axis in some calculations)

❓ How is this different from Spline Mesher?

This tool places existing prefabs along splines, it does not generate curved meshes from splines.

🎁 A limited time 20% discount is available for Spline Mesher Standard and Pro after purchasing this asset.

📢 Get access to the preview Spline Extensions asset! The ultimate spline toolkit. Verify your invoice on Discord to join the beta.