优化碰撞识别，加入暖场帧数

src/views/particle-panel/SceneObjectsSection.vue

@@ -86,6 +86,24 @@
           <NumSlider :label="$t('scene.rotation')" :min="-360" :max="360" :step="1" v-model="sys.config.rootRotation" />
           <NumSlider :label="$t('scene.scaleX')" :min="0.05" :max="10" :step="0.05" v-model="sys.config.rootScaleX" />
           <NumSlider :label="$t('scene.scaleY')" :min="0.05" :max="10" :step="0.05" v-model="sys.config.rootScaleY" />
+          <div class="seed-row scene-warmup">
+            <label for="system-warmup">{{ $t('scene.warmupFrames') }}</label>
+            <div class="scene-number-unit" :class="{ disabled: warmupDisabled }">
+              <input
+                id="system-warmup"
+                class="seed-input"
+                type="number"
+                min="0"
+                step="1"
+                :disabled="warmupDisabled"
+                :value="warmupFramesText"
+                @input="warmupFramesText = ($event.target as HTMLInputElement).value"
+                @change="commitWarmupFrames"
+                @blur="commitWarmupFrames"
+              />
+              <span>f</span>
+            </div>
+          </div>
           <div class="seed-row scene-seed">
             <label for="system-seed">{{ $t('scene.seed') }}</label>
             <input id="system-seed" class="seed-input" type="number" min="0" step="1" v-model.number="sys.config.seed" :title="$t('scene.seedTitle')" />
@@ -184,18 +202,37 @@
 </template>
 
 <script setup lang="ts">
-import { computed } from 'vue'
+import { computed, ref, watch } from 'vue'
 import NumSlider from '../NumSlider.vue'
 import CurveEditor from '../CurveEditor.vue'
 import ParticleAttributeControl from '../ParticleAttributeControl.vue'
 import ColorGradientEditor from '../ColorGradientEditor.vue'
 import ImageResourceCard from '../ImageResourceCard.vue'
 import SpineObjectPanel from '../../spine/SpineObjectPanel.vue'
+import { collectSubEmitterIds } from '../../core/subEmitterIds'
 import { useParticlePanelContext } from './particlePanelContext'
 const { store, resolvedCurveEditorMode, sys, activeObjectType, activeCollider, activePath, activeSpine, canCopyObject, collapsed, toggle, sectionOpen, addSys, addCollider, addPath, addSpine, copySelectedObject, applyPathPreset, clearPathAnchors, randomizeSeed, LINEAR_CURVE } = useParticlePanelContext()
 
 type DisplaySystem = { system: (typeof store.systems)[number]; depth: number }
 
+const warmupDisabled = computed(() => !!sys.value && (
+  collectSubEmitterIds(store.systems).has(sys.value.id)
+  || (sys.value.config.mode === 'stream' && sys.value.config.streamBehavior === 'loop')
+))
+const warmupFramesText = ref('0')
+watch(
+  () => [sys.value?.id, sys.value?.config.warmupFrames] as const,
+  () => { warmupFramesText.value = String(sys.value?.config.warmupFrames ?? 0) },
+  { immediate: true },
+)
+
+function commitWarmupFrames() {
+  if (!sys.value || warmupDisabled.value) return
+  const frames = Math.max(0, Math.floor(Number(warmupFramesText.value) || 0))
+  warmupFramesText.value = String(frames)
+  sys.value.config.warmupFrames = frames
+}
+
 /** 子发射器嵌在父系统下方显示，方便直接选中；移除引用后自动回到普通行。 */
 const displaySystems = computed<DisplaySystem[]>(() => {
   const byId = new Map(store.systems.map((system) => [system.id, system]))
@@ -314,5 +351,11 @@ const displaySystems = computed<DisplaySystem[]>(() => {
 .seed-random { width: 34px; height: 30px; border: 1px solid #3a4860; border-radius: 6px; background: #2c3950; color: #d7def0; cursor: pointer; }
 .seed-random:hover { background: #394964; }
 .scene-seed { margin-top: 10px; }
+.scene-warmup { margin-top: 10px; }
+.scene-number-unit { min-width: 0; flex: 1; display: flex; align-items: center; border: 1px solid #344158; border-radius: 6px; background: #0f1625; }
+.scene-number-unit:focus-within { border-color: #625ff1; }
+.scene-number-unit .seed-input { border: 0; background: transparent; }
+.scene-number-unit > span { padding-right: 8px; color: #7e8aa3; font-size: 12px; }
+.scene-number-unit.disabled { opacity: .5; }
 .seed-hint { margin: 5px 0 1px 72px; color: #657188; font-size: 9px; line-height: 1.45; }
 </style>