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Subscene

In complex scene construction, a single scene often contains a large number of models, structures, and logical relationships. To improve clarity, maintainability, and reusability, iCraft provides the Subscene feature.

A Subscene allows you to create an independent, nested scene within a specific element. This nested scene has full editing capabilities—just like a regular main scene—and can be reused, managed, and presented as a whole.

This capability is especially valuable in complex engineering scenarios such as architectural design, industrial equipment modeling, digital twins, and process systems.

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What is a Subscene?

A Subscene is an independent scene space attached to a specific element:

  • A complete 3D editing environment

  • Contains its own models, lighting, animations, interactions, and logic

  • Can be nested within the main scene as a whole

  • Appears as a single “element” in the main scene

You can think of it as: “a scene within a scene”, or a “nestable micro-project.”

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How to Create and Edit a Subscene?

1

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Entry Point

  • In the main scene, select any object (such as a cube, a building model, or a specific icon).

  • In the floating toolbar on the right, locate the "Subscene" icon.

2

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Enter Editing Mode

  • Click the "Subscene" icon. The main scene will temporarily fade out, and the view will switch to an empty space inside the selected object.

  • You can now freely build and edit details within this nested space.

3

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Return to the Main Scene

  • Use the top navigation bar and click the "Go Back" icon at any time to return to the main scene.

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Advantages of Subscenes

  • Optimized Performance, Smooth Experience The editor only renders objects at the current level in real time, significantly reducing GPU memory usage in large-scale projects.

  • Modular Design, Clear Structure Break down complex scenes into multiple submodules. Each module is represented as a Subscene, making the hierarchy easy to understand.

  • Enhanced Interaction, Engaging Experience Provides end users with a progressive, layered exploration experience that aligns with natural spatial cognition.

  • Independent Editing, No Interference Each Subscene supports full editing capabilities, including lighting, camera control, animation setup, and independent model management.

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Typical Use Cases

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Scenario 1: Campus and Interior Switching

  • Approach: The main scene represents a full view of a technology campus. Each building is assigned its own Subscene.

  • Result: Users can smoothly navigate the campus. When clicking on a building, they can “enter” it to explore offices, workstations, and asset layouts.

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Scenario 2: Complex Equipment Decomposition

  • Approach: The main scene contains a complete server rack model. A Subscene is created for the rack.

  • Result: Inside the Subscene, detailed elements such as server boards and cable connections can be modeled without increasing the rendering load of the main scene.

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Scenario 3: Logical Group Management

  • Approach: Components are grouped into different Subscenes based on business logic (e.g., power systems, cooling systems).

  • Result: Greatly improves collaboration efficiency, allowing team members to focus on their respective Subscenes independently.

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