系统优化

src/store/particleStore.ts

@@ -80,7 +80,8 @@ export const useParticleStore = defineStore('particle', {
     activeId: 0,
     activeObjectType: 'particle' as SceneObjectType,
     activeObjectId: 0,
-    timeline: { playing: true, loop: true, frame: 0, totalFrames: 120, fps: 60, recorded: false, animation: 'animation' } as TimelineState,
+    // 与 Spine 编辑器默认时间基准对齐：1 秒 = 30 帧。
+    timeline: { playing: true, loop: true, frame: 0, totalFrames: 60, fps: 30, recorded: false, animation: 'animation' } as TimelineState,
     settings: { tickEnabled: false, axisFontSize: 12, tickWidth: 1, showAxisLabels: true, axisColor: '#7a86ad' } as SettingsState,
   }),
   getters: {
@@ -203,10 +204,10 @@ export const useParticleStore = defineStore('particle', {
     },
     /** 依据所有粒子系统的"最晚消失时间"重算总帧数。
      *  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，
+     *  单系统总时长 = delay + 持续模式 duration（爆发为 0）+ 最大粒子生命，
      *  多系统取最大;转帧 = ceil(sec * fps)。 */
     recalcTotalFrames() {
-      const fps = this.timeline.fps || 60
+      const fps = this.timeline.fps || 30
       let maxSec = 0
       for (const sys of this.systems) {
         const c = sys.config
@@ -215,7 +216,8 @@ export const useParticleStore = defineStore('particle', {
         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
+        const emissionDuration = c.mode === 'stream' ? Math.max(1 / fps, Number(c.duration) || 0) : 0
+        const end = Math.max(0, Number(c.delay) || 0) + emissionDuration + particleLife
         if (end > maxSec) maxSec = end
       }
       const frames = Math.max(1, Math.ceil(maxSec * fps))