fix rotation amount when damping is used

examples/js/controls/OrbitControls.js

@@ -155,8 +155,17 @@ THREE.OrbitControls = function ( object, domElement ) {
 
 			}
 
-			spherical.theta += sphericalDelta.theta;
-			spherical.phi += sphericalDelta.phi;
+			if ( scope.enableDamping ) {
+
+				spherical.theta += sphericalDelta.theta * scope.dampingFactor;
+				spherical.phi += sphericalDelta.phi * scope.dampingFactor;
+
+			} else {
+
+				spherical.theta += sphericalDelta.theta;
+				spherical.phi += sphericalDelta.phi;
+
+			}
 
 			// restrict theta to be between desired limits
 			spherical.theta = Math.max( scope.minAzimuthAngle, Math.min( scope.maxAzimuthAngle, spherical.theta ) );

examples/jsm/controls/OrbitControls.js

@@ -165,8 +165,17 @@ var OrbitControls = function ( object, domElement ) {
 
 			}
 
-			spherical.theta += sphericalDelta.theta;
-			spherical.phi += sphericalDelta.phi;
+			if ( scope.enableDamping ) {
+
+				spherical.theta += sphericalDelta.theta * scope.dampingFactor;
+				spherical.phi += sphericalDelta.phi * scope.dampingFactor;
+
+			} else {
+
+				spherical.theta += sphericalDelta.theta;
+				spherical.phi += sphericalDelta.phi;
+
+			}
 
 			// restrict theta to be between desired limits
 			spherical.theta = Math.max( scope.minAzimuthAngle, Math.min( scope.maxAzimuthAngle, spherical.theta ) );