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在 visionOS 中协作处理结构化 3D 模型
了解如何在 visionOS 中生动呈现结构化 3D 模型。我们将介绍 USDZ 的准备工作，演示如何在分层装配中操作单个实体，并利用剖切面检查模型的内部组件。创建令人惊叹的分解视图动画，打造基于 Apple Vision Pro 的设计审查和协作体验。
章节
- 0:00 - Introduction
- 2:55 - Asset preparation
- 5:05 - Manipulating the hierarchy
- 8:15 - Interactive clipping
- 18:16 - Autoexpansion
- 24:10 - Next steps
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7:10 - Opening an assembly
func openAssembly() { components[ManipulationComponent.self] = nil components[InputTargetComponent.self] = nil for child in assemblyChildren { child.components.set(InputTargetComponent()) var manipulation = ManipulationComponent() manipulation.releaseBehavior = .stay child.manipulationComponent = manipulation } } -
7:11 - Closing an assembly
func closeAssembly() { for child in assemblyChildren { child.manipulationComponent = nil child.components[InputTargetComponent.self] = nil } components.set(InputTargetComponent()) var manipulation = ManipulationComponent() manipulation.releaseBehavior = .stay manipulationComponent = manipulation }
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- 0:00 - Introduction
An overview of building collaborative spatial experiences on Apple Vision Pro, including real-time manipulation of rich 3D assemblies, interactive clipping, and automatic expansion of sub-assemblies.
- 2:55 - Asset preparation
Learn the key requirements for preparing 3D assets for spatial computing, including preserving a deep, nested hierarchy in your USDZ exports so that individual parts remain independently selectable and manipulable at runtime.
- 5:05 - Manipulating the hierarchy
See how to use ManipulationComponent and InputTargetComponent to make an entire assembly — or each of its sub-entities individually — interactive. Covers the openAssembly() and closeAssembly() patterns and the releaseBehavior setting.
- 8:15 - Interactive clipping
Explore ClippingComponent, a new RealityKit capability in visionOS 26 that lets people see through complex assemblies. Covers the three-state clipping machine (.off, .on, .editing), coordinate frame transformations, and how drag gestures update clipping plane bounds.
- 18:16 - Autoexpansion
Understand how to automatically expand an assembly's sub-components along the most meaningful axis using volume-weighted variance. Covers the math behind choosing the expansion axis and assembling FromToBy animations to move parts into position.
- 24:10 - Next steps
Key takeaways and pointers to the Model Manipulator sample project, related sessions on the spatial preview framework, and recommended background on vector math and linear algebra.