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docs: update docs

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Nick Fisher
2024-06-27 21:46:06 +08:00
parent 5f1334660e
commit 03f8e2e353
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@@ -4,6 +4,10 @@ Thermion is a framework for creating cross-platform 3D applications with Dart an
## Overview
Below is a general overview of how the Thermion packages are structured to ensure a clean separation between the general Dart components, and the Flutter specific components.
If you want a more detailed explanation of how to start rendering 3D content inside a Flutter app, [click here to view the quickstart page](/quickstart).
### Package structure 
Thermion is divided into two packages:
@@ -18,8 +22,39 @@ For example, Thermion ships with examples for rendering with Dart only (no Flutt
### ThermionViewer (`thermion_dart`)
// TODO
The ThermionViewer class provides an API for creating and interacting with 3D scenes powered by the Filament rendering engine.
It allows loading 3D models in glTF format, adding lights and a skybox, manipulating the camera, animating objects, and more.
Key functionalities include:
- Scene Management: Load and manipulate entities, lights, skyboxes, and background elements within a 3D scene.
- Rendering Control: Manage rendering loop, frame rate, and post-processing effects like tone mapping and bloom.
- Camera Control: Position and orient the camera, adjust focal length, and control exposure settings.
- Animation: Play, pause, and manipulate skeletal and morph target animations.
- Entity Manipulation: Transform entities (position, rotation, scale), set material properties, and manage parent-child relationships.
- Collision Detection (experimental): Add collision components to entities and test for collisions within the scene.
- Input Handling: Interact with the scene using touch gestures for panning, rotating, and zooming.
- Developers use the ThermionViewer class to build and control the behavior of their 3D applications.
### ThermionFlutterPlugin
The ThermionFlutterPlugin class handles the platform-specific initialization required to embed a Filament rendering surface within a Flutter Widget.
This includes creating a texture and managing the application lifecycle to pause rendering when the app is inactive.
You will generally only need to interact with `ThermionFlutterPlugin` directly to create or dispose of a ThermionViewer.
### ThermionWidget (`thermion_flutter`)
// TODO
`ThermionWidget` is a Flutter widget that displays the 3D content rendered by a ThermionViewer.
It handles creating and managing the underlying platform-specific texture that Filament renders to, and provides a way to embed this texture within the Flutter widget tree.
Key features of ThermionWidget include:
- Texture Management: It creates, resizes, and destroys the ThermionFlutterTexture used to display the rendered content from the ThermionViewer.
- Platform Adaption: It handles platform-specific differences, such as texture coordinate systems, to ensure consistent rendering across different platforms.
- Initialization Handling: Displays a placeholder (configurable via the initial property) while the Filament texture is being initialized, providing a smoother user experience.
- Seamless Integration: Integrates seamlessly within the Flutter widget tree, allowing developers to combine 2D and 3D content easily.
- Resize Handling: It listens for resize events and automatically resizes the underlying texture to match, ensuring the 3D content scales correctly.