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更新demo

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This commit is contained in:
YHH
2025-10-09 17:43:46 +08:00
parent fdaa94a61d
commit e724e5a1ba
3 changed files with 62 additions and 69 deletions
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55
examples/core-demos/src/demos/IncrementalSerializationDemo.ts
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@@ -2,7 +2,9 @@ import { DemoBase, DemoInfo } from './DemoBase';
import {
Component,
ECSComponent,
Entity,
EntitySystem,
Matcher,
Serializable,
Serialize,
IncrementalSerializer
@@ -47,19 +49,19 @@ class RenderableComponent extends Component {
// ===== 系统定义 =====
class MovementSystem extends EntitySystem {
update() {
if (!this.scene) return;
const entities = this.scene.entities.buffer;
for (const entity of entities) {
const pos = entity.getComponent(PositionComponent);
const vel = entity.getComponent(VelocityComponent);
if (pos && vel) {
pos.x += vel.vx;
pos.y += vel.vy;
constructor() {
super(Matcher.all(PositionComponent, VelocityComponent));
}
if (pos.x < 0 || pos.x > 1200) vel.vx *= -1;
if (pos.y < 0 || pos.y > 600) vel.vy *= -1;
}
protected override process(entities: readonly Entity[]): void {
for (const entity of entities) {
const [pos, vel] = this.getComponents(entity, PositionComponent, VelocityComponent);
pos.x += vel.vx;
pos.y += vel.vy;
if (pos.x < 0 || pos.x > 1200) vel.vx *= -1;
if (pos.y < 0 || pos.y > 600) vel.vy *= -1;
}
}
}
@@ -69,34 +71,29 @@ class RenderSystem extends EntitySystem {
private ctx: CanvasRenderingContext2D;
constructor(canvas: HTMLCanvasElement) {
super();
super(Matcher.all(PositionComponent, RenderableComponent));
this.canvas = canvas;
const ctx = canvas.getContext('2d');
if (!ctx) throw new Error('Failed to get canvas context');
this.ctx = ctx;
}
update() {
if (!this.scene) return;
protected override process(entities: readonly Entity[]): void {
this.ctx.fillStyle = '#0a0a15';
this.ctx.fillRect(0, 0, this.canvas.width, this.canvas.height);
const entities = this.scene.entities.buffer;
for (const entity of entities) {
const pos = entity.getComponent(PositionComponent);
const render = entity.getComponent(RenderableComponent);
if (pos && render) {
this.ctx.fillStyle = render.color;
this.ctx.beginPath();
this.ctx.arc(pos.x, pos.y, render.radius, 0, Math.PI * 2);
this.ctx.fill();
const [pos, render] = this.getComponents(entity, PositionComponent, RenderableComponent);
this.ctx.fillStyle = 'white';
this.ctx.font = '10px Arial';
this.ctx.textAlign = 'center';
this.ctx.fillText(entity.name, pos.x, pos.y - render.radius - 5);
}
this.ctx.fillStyle = render.color;
this.ctx.beginPath();
this.ctx.arc(pos.x, pos.y, render.radius, 0, Math.PI * 2);
this.ctx.fill();
this.ctx.fillStyle = 'white';
this.ctx.font = '10px Arial';
this.ctx.textAlign = 'center';
this.ctx.fillText(entity.name, pos.x, pos.y - render.radius - 5);
}
}
}