93 lines
2.3 KiB
TypeScript
93 lines
2.3 KiB
TypeScript
import { Component, ECSComponent, Serializable, Serialize, Property } from '@esengine/ecs-framework';
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import type { IPositionable } from '@esengine/spatial';
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import type { IVector2 } from '@esengine/ecs-framework-math';
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/**
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* 流式锚点组件
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*
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* Marks an entity as a streaming anchor point.
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* Chunks are loaded/unloaded based on distance to anchors.
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*
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* 标记实体作为流式加载锚点。通常挂载在玩家或摄像机实体上，
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* 系统会根据锚点位置加载/卸载周围区块。
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*
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* 用户需要在每帧更新此组件的 x/y 位置。
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* User must update the x/y position each frame.
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*/
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@ECSComponent('StreamingAnchor')
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@Serializable({ version: 1, typeId: 'StreamingAnchor' })
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export class StreamingAnchorComponent extends Component implements IPositionable {
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/**
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* 当前 X 位置
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*
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* Current X position in world units.
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*/
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@Serialize()
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@Property({ type: 'number', label: 'X' })
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x: number = 0;
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/**
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* 当前 Y 位置
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*
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* Current Y position in world units.
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*/
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@Serialize()
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@Property({ type: 'number', label: 'Y' })
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y: number = 0;
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/**
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* 获取位置 (IPositionable 接口)
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*
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* Get position (IPositionable interface).
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*/
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get position(): IVector2 {
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return { x: this.x, y: this.y };
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}
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/**
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* 锚点权重
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*
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* Weight multiplier for this anchor's load radius.
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* Higher values mean larger load radius around this anchor.
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*/
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@Serialize()
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@Property({ type: 'number', label: 'Weight', min: 0.1, max: 10 })
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weight: number = 1.0;
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/**
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* 是否启用预加载
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*
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* Enable directional prefetching based on movement.
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*/
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@Serialize()
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@Property({ type: 'boolean', label: 'Enable Prefetch' })
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bEnablePrefetch: boolean = true;
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/**
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* 上一帧位置 X
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*
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* Previous frame X position for velocity calculation.
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*/
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previousX: number = 0;
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/**
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* 上一帧位置 Y
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*
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* Previous frame Y position for velocity calculation.
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*/
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previousY: number = 0;
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/**
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* 速度 X 分量
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*
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* X component of velocity (units per second).
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*/
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velocityX: number = 0;
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/**
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* 速度 Y 分量
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*
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* Y component of velocity (units per second).
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*/
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velocityY: number = 0;
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}
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