增加涡流修改器

src/views/particle-panel/ParticleModifiersSection.vue

@@ -82,6 +82,26 @@
               <div class="modifier-hint">正数吸向中心 · 负数向外排斥 · 可在画布内拖动力场圆</div>
             </div>
           </div>
+          <div class="modifier-item">
+            <label class="switch-row modifier-switch">
+              <input type="checkbox" v-model="sys.config.vortex" />
+              <span class="switch-ui"></span><span>开启漩涡</span>
+            </label>
+            <div v-if="sys.config.vortex" class="modifier-params">
+              <NumSlider label="中心 X" :min="-5000" :max="5000" :step="1" v-model="sys.config.vortexCenterX" />
+              <NumSlider label="中心 Y" :min="-5000" :max="5000" :step="1" v-model="sys.config.vortexCenterY" />
+              <NumSlider label="力场强度" :min="-300" :max="300" :step="1" v-model="sys.config.vortexStrength" />
+              <NumSlider label="力场半径" :min="1" :max="2000" :step="1" v-model="sys.config.vortexRadius" />
+              <label class="row"><span>衰减模式</span>
+                <select v-model="sys.config.vortexFalloff" class="inp">
+                  <option value="constant">恒定（范围内力度不变）</option>
+                  <option value="linear">线性衰减（边缘为 0）</option>
+                  <option value="inverse">距离反比（中心最强）</option>
+                </select>
+              </label>
+              <div class="modifier-hint">正数逆时针 · 负数顺时针</div>
+            </div>
+          </div>
           <div class="modifier-item">
             <label class="switch-row modifier-switch">
               <input type="checkbox" v-model="sys.config.attraction" />

src/views/particle-panel/useParticlePanel.ts

@@ -326,6 +326,7 @@ const MODULE_RESET_KEYS: Record<Exclude<ResetModule, 'export'>, string[]> = {
     'useGravity', 'gravity', 'gravityMode', 'gravityMin', 'gravityMax', 'gravityDirection', 'gravityCurve',
     'wind', 'windX', 'windY', 'windMode', 'windMin', 'windMax', 'windDirection', 'windCurve',
     'forceField', 'forceStrength', 'forceRadius', 'forceCenterX', 'forceCenterY', 'forceFalloff',
+    'vortex', 'vortexStrength', 'vortexRadius', 'vortexCenterX', 'vortexCenterY', 'vortexFalloff',
     'attraction', 'attractionCenterX', 'attractionCenterY', 'attractionRadius',
     'attractionDuration', 'attractionDelay', 'attractionDelayMode', 'attractionPath',
     'trail', 'trailConfigVersion', 'trailResources', 'trailResourceVersion',