diff --git a/src/arrow/squad-combat.ts b/src/arrow/squad-combat.ts
index 984aa8c..1ea42f2 100644
--- a/src/arrow/squad-combat.ts
+++ b/src/arrow/squad-combat.ts
@@ -22,6 +22,18 @@ export default class SquadCombat extends AttackArrow {
     this.tailWidthFactor = 0.1;
   }
 
+  /**
+   * Add points only on click events
+   */
+  addPoint(cartesian: Cartesian3) {
+    this.points.push(cartesian);
+    if (this.points.length < 2) {
+      this.onMouseMove();
+    } else if (this.points.length > 2) {
+      this.lineEntity && this.viewer.entities.remove(this.lineEntity);
+    }
+  }
+
   /**
    * Draw a shape based on mouse movement points during the initial drawing.
    */