improve the overlay

modules/overlay/primitive/BounceBillboardPrimitive.js

@@ -27,29 +27,9 @@ class BounceBillboardPrimitive extends BillboardPrimitive {
 
   /**
    *
-   * @private
+   * @param frameState
    */
-  _addedHook() {
-    if (!this._delegate || !this._layer) {
-      return
-    }
-    this._delegate.layerId = this._layer?.layerId
-    this._delegate.overlayId = this._id
-    this._layer.delegate.add(this)
-  }
-
-  /**
-   *
-   * @private
-   */
-  _removedHook() {
-    if (!this._layer) {
-      return
-    }
-    this._layer.delegate.remove(this)
-  }
-
-  update() {
+  update(frameState) {
     if (!this._show) {
       return
     }

modules/overlay/primitive/BounceLabelPrimitive.js

@@ -27,29 +27,9 @@ class BounceLabelPrimitive extends LabelPrimitive {
 
   /**
    *
-   * @private
+   * @param frameState
    */
-  _addedHook() {
-    if (!this._delegate || !this._layer) {
-      return
-    }
-    this._delegate.layerId = this._layer?.layerId
-    this._delegate.overlayId = this._id
-    this._layer.delegate.add(this)
-  }
-
-  /**
-   *
-   * @private
-   */
-  _removedHook() {
-    if (!this._layer) {
-      return
-    }
-    this._layer.delegate.remove(this)
-  }
-
-  update() {
+  update(frameState) {
     if (!this._show) {
       return
     }

modules/overlay/primitive/DiffuseWallPrimitive.js

@@ -108,37 +108,6 @@ class DiffuseWallPrimitive extends Overlay {
     return heights
   }
 
-  /**
-   *
-   * @param layer
-   * @private
-   */
-  _onAdd(layer) {
-    if (!layer) {
-      return
-    }
-    this._layer = layer
-    if (this._layer?.delegate?.add) {
-      this._layer.delegate.add(this)
-    }
-    this._addedHook && this._addedHook()
-    this._state = State.ADDED
-  }
-
-  /**
-   *
-   * @private
-   */
-  _onRemove() {
-    if (!this._layer) {
-      return
-    }
-    if (this._layer?.delegate?.remove) {
-      this._layer.delegate.remove(this)
-    }
-    this._state = State.REMOVED
-  }
-
   /**
    *
    * @param frameState
@@ -182,6 +151,7 @@ class DiffuseWallPrimitive extends Overlay {
     })
     this._delegate.update(frameState)
   }
+
   /**
    *
    * @param style