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218 lines
4.5 KiB
Markdown
218 lines
4.5 KiB
Markdown
# WeatherController API 文档
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本文档由 `DeepSeek R1` 模型生成并微调。
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```mermaid
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graph LR
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WeatherController --> IWeather
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```
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_实现 `IWeather` 接口_
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## 类描述
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`WeatherController` 是天气系统的核心控制器,支持动态管理多种天气效果(如雨、雪、雾等),可将天气效果绑定到任意渲染元素上,实现多场景独立天气控制。
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---
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## 属性说明
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| 属性名 | 类型 | 描述 |
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| -------------- | -------------------------------- | ----------------------------------------------------------------- |
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| `id` | `string` | 只读,控制器的唯一标识符 |
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| `active` | `Set<IWeather>` | 当前激活的天气实例集合 |
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| `list`(静态) | `Map<string, Weather>` | 静态属性,存储所有注册的天气类型(键为天气 ID,值为天气构造函数) |
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| `map`(静态) | `Map<string, WeatherController>` | 静态属性,存储所有控制器实例 |
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---
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## 构造方法
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```typescript
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function constructor(id: string): WeatherController;
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```
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- **参数**
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- `id`: 控制器的标识符
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## 方法说明
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### `activate`
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```typescript
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function activate(id: string, level?: number): IWeather | undefined;
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```
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激活指定天气。
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- **参数**
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- `id`: 已注册的天气 ID
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- `level`: 天气强度等级(可选)
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---
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### `bind`
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```typescript
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function bind(item?: RenderItem): void;
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```
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绑定/解绑渲染元素。
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- **参数**
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- `item`: 要绑定的渲染元素(不传则解绑)
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---
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### `deactivate`
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```typescript
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function deactivate(weather: IWeather): void;
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```
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关闭指定天气效果。
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---
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### `clearWeather`
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```typescript
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function clearWeather(): void;
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```
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清空所有天气效果。
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---
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### `getWeather`
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```typescript
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function getWeather<T extends IWeather = IWeather>(
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weather: new (level?: number) => T
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): T | null;
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```
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获取指定天气实例。
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**示例**
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```ts
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import { RainWeather } from '@user/client-modules';
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const rain = controller.getWeather(RainWeather);
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```
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---
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### `destroy`
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```typescript
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function destroy(): void;
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```
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摧毁这个天气控制器,摧毁后不可继续使用。
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---
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## 静态方法说明
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### `WeatherController.register`
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```typescript
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function register(id: string, weather: Weather): void;
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```
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**静态方法**:注册新的天气类型。
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- **参数**
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- `id`: 天气唯一标识(如 "rain")
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- `weather`: 天气类(需实现 `IWeather` 接口)
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---
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### `WeatherController.get`
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```typescript
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function get(id: string): WeatherController | undefined;
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```
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- **参数**
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- `id`: 要获得的控制器标识符
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## 天气接口说明
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```typescript
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interface IWeather {
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activate(item: RenderItem): void; // 初始化天气效果
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frame(): void; // 每帧更新逻辑
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deactivate(item: RenderItem): void; // 清除天气效果
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}
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```
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---
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## 内置天气
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- `rain`: 下雨天气
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## 总使用示例 实现滤镜天气效果
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::: code-group
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```typescript [定义天气]
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// 定义灰度滤镜天气
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class GrayFilterWeather implements IWeather {
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private scale: number;
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private now: number = 0;
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private item?: RenderItem;
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constructor(level: number = 5) {
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this.scale = level / 10;
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}
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activate(item: RenderItem) {
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// 添加灰度滤镜
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item.filter = `grayscale(0)`;
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this.item = item;
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}
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frame() {
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// 动态调整滤镜强度(示例:正弦波动)
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if (this.item) {
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const intensity = ((Math.sin(Date.now() / 1000) + 1) * scale) / 2;
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this.item.filter = `grayscale(${itensity})`;
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}
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}
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deactivate(item: RenderItem) {
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item.filter = `none`;
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}
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}
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// 注册天气类型
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WeatherController.register('gray-filter', GrayFilterWeather);
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```
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```tsx [使用天气]
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import { defineComponent, onMounted } from 'vue';
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import { Container } from '@motajs/render';
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import { useWeather } from '@user/client-modules';
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const MyCom = defineComponent(() => {
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const [controller] = useWeather();
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const root = ref<Container>();
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onMounted(() => {
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// 绑定天气的渲染元素
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controller.bind(root.value);
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// 激活天气效果
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controller.activate('gray-filter', 5);
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});
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return () => <container ref={root}></container>;
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});
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```
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:::
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