Examples: Clean up

examples/webgl_panorama_equirectangular.html

@@ -144,8 +144,6 @@
 
 			function onPointerStart( event ) {
 
-				event.preventDefault();
-
 				isUserInteracting = true;
 
 				var clientX = event.clientX || event.touches[ 0 ].clientX;
@@ -214,6 +212,11 @@
 
 				camera.lookAt( camera.target );
 
+				/*
+				// distortion
+				camera.position.copy( camera.target ).negate();
+				*/
+
 				renderer.render( scene, camera );
 
 			}