From f812af10015d371ddde60d66a4f3cd40f8f46b85 Mon Sep 17 00:00:00 2001
From: Jihoon Lee <jihoonlee.in@gmail.com>
Date: Fri, 8 May 2015 12:35:50 +0900
Subject: [PATCH] configurable camera zoom speed

---
 src/visualization/Viewer.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/visualization/Viewer.js b/src/visualization/Viewer.js
index 895f9df4..55117a45 100644
--- a/src/visualization/Viewer.js
+++ b/src/visualization/Viewer.js
@@ -34,6 +34,7 @@ ROS3D.Viewer = function(options) {
     y : 3,
     z : 3
   };
+  var cameraZoomSpeed = options.cameraZoomSpeed || 0.5;
 
   // create the canvas to render to
   this.renderer = new THREE.WebGLRenderer({
@@ -58,7 +59,7 @@ ROS3D.Viewer = function(options) {
     scene : this.scene,
     camera : this.camera
   });
-  this.cameraControls.userZoomSpeed = 0.5;
+  this.cameraControls.userZoomSpeed = cameraZoomSpeed;
 
   // lights
   this.scene.add(new THREE.AmbientLight(0x555555));