From f8e2f9ecce0f5859f09460843ef3efb536c42805 Mon Sep 17 00:00:00 2001
From: Ouwen Huang <ouwen.huang@duke.edu>
Date: Wed, 12 Apr 2023 02:47:23 +0000
Subject: [PATCH] feat(crosshairs): added threshold for jumpWorld

---
 packages/tools/src/tools/CrosshairsTool.ts | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/packages/tools/src/tools/CrosshairsTool.ts b/packages/tools/src/tools/CrosshairsTool.ts
index 32ca4d4e71..78e9afb2bf 100644
--- a/packages/tools/src/tools/CrosshairsTool.ts
+++ b/packages/tools/src/tools/CrosshairsTool.ts
@@ -71,6 +71,7 @@ interface ToolConfiguration {
       opacity: number;
       handleRadius: number;
     };
+    jumpThreshold: number;
   };
 }
 
@@ -162,6 +163,7 @@ class CrosshairsTool extends AnnotationTool {
           opacity: 0.8,
           handleRadius: 9,
         },
+        jumpThreshold: 0,
       },
     }
   ) {
@@ -390,6 +392,15 @@ class CrosshairsTool extends AnnotationTool {
 
     const enabledElement = getEnabledElement(element);
     const { viewport } = enabledElement;
+
+    if (this.configuration.jumpThreshold) {
+      const distance = vec3.distance(
+        vec3.fromValues(...jumpWorld),
+        vec3.fromValues(...this.toolCenter)
+      );
+      if (distance > this.configuration.jumpThreshold) return;
+    }
+
     this._jump(enabledElement, jumpWorld);
 
     const annotations = this._getAnnotations(enabledElement);