阶段六开发进度

src/store/particleStore.ts

@@ -127,7 +127,7 @@ export const useParticleStore = defineStore('particle', {
       const id = colliderSeq++
       const collider: CollisionBody = {
         id,
-        name: `碰撞体 ${id}`,
+        name: `Collider${id}`,
         tags: ['Default'],
         selectedTag: 'Default',
         shape: 'circle',
@@ -155,7 +155,7 @@ export const useParticleStore = defineStore('particle', {
       const id = pathSeq++
       const path: ScenePath = {
         id,
-        name: `路径 ${id}`,
+        name: `Path${id}`,
         enabled: true,
         x: 0,
         y: 0,
@@ -202,14 +202,20 @@ export const useParticleStore = defineStore('particle', {
       this.timeline.frame = Math.max(0, Math.min(f, this.timeline.totalFrames - 1))
     },
     /** 依据所有粒子系统的"最晚消失时间"重算总帧数。
-     *  单系统总时长 = delay(延迟) + duration(发射时长) + lifeMax(粒子最大生命),
+     *  固定生命周期使用 lifeMin；随机生命周期使用上下限中的较大值。
+     *  单系统总时长 = delay(延迟) + duration(发射时长) + 最大粒子生命，
      *  多系统取最大;转帧 = ceil(sec * fps)。 */
     recalcTotalFrames() {
       const fps = this.timeline.fps || 60
       let maxSec = 0
       for (const sys of this.systems) {
         const c = sys.config
-        const end = (c.delay || 0) + (c.duration || 0) + (c.lifeMax || 0)
+        const lifeMin = Math.max(0, Number(c.lifeMin) || 0)
+        const lifeMax = Math.max(0, Number(c.lifeMax) || 0)
+        const particleLife = c.lifeMode === 'fixed'
+          ? lifeMin
+          : Math.max(lifeMin, lifeMax)
+        const end = Math.max(0, Number(c.delay) || 0) + Math.max(0, Number(c.duration) || 0) + particleLife
         if (end > maxSec) maxSec = end
       }
       const frames = Math.max(1, Math.ceil(maxSec * fps))