One Day – Dynamic Day Night System (Skybox Cycle, URP Ready)

One Day! WebGL Demo

One Day – Dynamic Day Night System

Bring your environments to life with a fully customizable day-night cycle system, featuring smooth skybox blending and dynamic lighting transitions.

Easily simulate a complete 24-hour cycle with seamless transitions between morning, day, evening, and night.

🌅 About this system

One Day is a modular and easy-to-use solution for creating dynamic skies in Unity.

It blends multiple skyboxes over time, allowing you to create natural transitions and immersive environments without complex setup.

Perfect for:

• Open world games
• Survival & sandbox games
• Stylized or realistic projects
• Prototyping dynamic environments

🔄 Day-Night Cycle Features

• Smooth blending between skyboxes (morning, day, evening, night)
• Fully adjustable time system
• Control how fast time passes in-game
• Continuous 24-hour cycle simulation

🚀 Features

• Drag & drop setup – no coding required
• Fully customizable time scale
• Example A: 1 second = real-time
• Examble B: 1 second = 1 in-game minute
• etc.
• Dynamic sun & moon rotation
• Lighting adapts automatically to time of day
• Includes multiple sky modules

🔧 Customization

The system is designed to be flexible:

• Easily swap or add skyboxes
• Adjust cycle speed via a single variable
• Expand with additional sky modules
• Works with existing skybox assets

📦 Included Content

• Day-Night System Prefab
• Multiple sky modules, currently 6 (day/night variations)
• Example scene
• Documentation

📘 Documentation

Includes a detailed guide and example setup to help you get started quickly.

Scrycoast Asset Store Page - Scrycoast Homepage