Module systems 

systems.rs

systems.rs 文件

Module Overview

模块概述

Contains the ECS systems that keep bitmap text entities synchronized with their data. It rasterizes required glyphs, recomputes layout when text changes, spawns and updates glyph child entities, and applies reveal state to the final rendered characters.

包含让位图文本实体与其数据保持同步的 ECS 系统。它会栅格化所需字形，在文本变化时 重新计算布局，生成并更新逐字形子实体，并把 reveal 状态应用到最终渲染出的字符上。

Structs

BitmapTextSet

System set for bitmap text systems (runs in PostUpdate).

Functions

glyph_reveal_system

Update glyph visibility when GlyphReveal changes.

layout_text_system

Compute layout for changed text blocks.

rasterize_glyphs_system

Rasterize any new glyphs needed by changed text blocks.

sync_glyph_entities_system

Synchronize glyph child entities to match the computed layout.

text_shake_system

Animate glyphs with ShakeEffect by jittering their position.

text_wave_system

Animate glyphs with WaveEffect using a sine-wave vertical offset.