增加涡流修改器

src/views/stage/emitterGuides.ts

@@ -132,6 +132,34 @@ export function drawForceField(store: EditorStore, forceFieldGfx: Graphics | nul
   g.endFill()
 }
 
+/** 绘制当前选中系统的全局漩涡范围与旋转方向。 */
+export function drawVortex(store: EditorStore, vortexGfx: Graphics | null) {
+  if (!vortexGfx) return
+  const g = vortexGfx
+  g.clear()
+  const sys = store.systems.find((item) => item.id === store.activeId)
+  if (sys?.visible === false) return
+  const cfg = sys?.config
+  if (!cfg?.vortex || cfg.vortexRadius <= 0) return
+  const x = cfg.vortexCenterX
+  const y = -cfg.vortexCenterY
+  const color = cfg.vortexStrength >= 0 ? 0xb97cff : 0xffa24c
+  g.lineStyle(2, color, 0.9)
+  g.beginFill(color, 0.07)
+  g.drawCircle(x, y, cfg.vortexRadius)
+  g.endFill()
+  g.beginFill(color, 0.95)
+  g.drawCircle(x, y, 4)
+  g.endFill()
+  const markerX = x + Math.min(cfg.vortexRadius * 0.65, 50)
+  const direction = cfg.vortexStrength >= 0 ? -1 : 1
+  const endY = y + direction * 14
+  g.lineStyle(2, color, 0.9)
+  g.moveTo(markerX, y + direction * -8); g.lineTo(markerX, endY)
+  g.moveTo(markerX, endY); g.lineTo(markerX - 4, endY - direction * 5)
+  g.moveTo(markerX, endY); g.lineTo(markerX + 4, endY - direction * 5)
+}
+
 /** 绘制全局吸附点与吸附完成半径；半径为 0 时显示为红色点。 */
 export function drawAttraction(store: EditorStore, attractionGfx: Graphics | null) {
   if (!attractionGfx) return