优化碰撞识别，加入暖场帧数

scripts/verify-particle-events.mjs

@@ -13,6 +13,13 @@ const { ParticleEmitter, defaultConfig } = await import(
 )
 const { Texture } = await import('./pixi-stub.mjs')
 
+if (defaultConfig().warmupFrames !== 0) throw new Error('暖场帧数默认值必须为 0')
+const normalizedWarmup = makeConfig({ warmupFrames: -2.7 })
+const normalizedWarmupEmitter = new ParticleEmitter(normalizedWarmup)
+if (normalizedWarmup.warmupFrames !== 0 || normalizedWarmupEmitter.activeCount !== 0) {
+  throw new Error('暖场帧数必须归一化为不小于 0 的整数')
+}
+
 const subBundled = await build({
   bundle: true,
   entryPoints: ['src/core/subEmitterIds.ts'],
@@ -171,4 +178,50 @@ if (![...collisionCountsBySpawn.values()].some((counts) => counts[0] === 1 && co
   throw new Error('同一粒子的碰撞次数未正确累计')
 }
 
-console.log('粒子事件校验通过：出生 / 死亡 / 碰撞 / 子发射器生成与禁用自动发射 / 属性继承 / 深度上限')
+const warmupEmitter = new ParticleEmitter(makeConfig({
+  mode: 'stream',
+  streamBehavior: 'normal',
+  rate: 30,
+  duration: 10,
+  lifeMin: 10,
+  lifeMax: 10,
+  speedMin: 0,
+  speedMax: 0,
+}))
+warmupEmitter.reset()
+warmupEmitter.warmup(3, step)
+if (warmupEmitter.activeCount !== 3) {
+  throw new Error(`暖场 3 帧后应有 3 颗粒子，实际 ${warmupEmitter.activeCount} 颗`)
+}
+
+// 非等比缩放下，应按世界距离选择最近面，不能让宽扁矩形的顶面碰撞跳到侧面。
+const scaledRectEmitter = new ParticleEmitter(makeConfig({
+  collision: true,
+  lifeMin: 1,
+  lifeMax: 1,
+  speedMin: 0,
+  speedMax: 0,
+  useGravity: false,
+}))
+scaledRectEmitter.setColliders([{
+  ...collider,
+  shape: 'rect',
+  x: 0,
+  y: -60,
+  scaleX: 4,
+  scaleY: 0.5,
+  width: 120,
+  height: 80,
+}])
+scaledRectEmitter.setAutoEmission(false)
+scaledRectEmitter.spawnEventParticle(-125.02, -56.58, 1)
+const scaledRectEvents = []
+scaledRectEmitter.onParticleEvent = (event) => scaledRectEvents.push(event)
+scaledRectEmitter.update(step, 'force')
+const scaledRectHit = scaledRectEvents.find((event) => event.kind === 'collision')
+if (!scaledRectHit) throw new Error('非等比矩形未产生碰撞事件')
+if (Math.abs(scaledRectHit.worldX + 125.02) > 0.1 || Math.abs(scaledRectHit.worldY + 40) > 0.1) {
+  throw new Error(`非等比矩形吸附面错误：实际命中 (${scaledRectHit.worldX}, ${scaledRectHit.worldY})`)
+}
+
+console.log('粒子事件校验通过：暖场 / 出生 / 死亡 / 碰撞 / 非等比矩形碰撞面 / 子发射器生成与禁用自动发射 / 属性继承 / 深度上限')