when the trnasformcontrol binded to the orthographicCamera, the eye direction is also the subtraction of

camera position and object world position;

examples/js/controls/TransformControls.js

@@ -216,7 +216,7 @@ THREE.TransformControls = function ( camera, domElement ) {
 
 		} else if ( this.camera instanceof THREE.OrthographicCamera ) {
 
-			eye.copy( cameraPosition ).normalize();
+			eye.copy( cameraPosition ).sub( worldPosition ).normalize();
 
 		}