OrbitControls: fix Orthographic 'change' event (mrdoob#27424)

* OrbitControls: fix Orthographic 'change' event Signed-off-by: Guilherme Avila <3927951+sciecode@users.noreply.github.com> * OrbitControls: only recalculate when zoom has changed Signed-off-by: Guilherme Avila <3927951+sciecode@users.noreply.github.com> * clean-up Signed-off-by: Guilherme Avila <3927951+sciecode@users.noreply.github.com> --------- Signed-off-by: Guilherme Avila <3927951+sciecode@users.noreply.github.com>
AdaRoseCannon · Jan 15, 2024 · 4960d15 · 4960d15
1 parent 303dfc9
commit 4960d15
Showing 1 changed file with 8 additions and 3 deletions.
diff --git a/examples/jsm/controls/OrbitControls.js b/examples/jsm/controls/OrbitControls.js
@@ -373,10 +373,15 @@ class OrbitControls extends EventDispatcher {
 					}
 
 				} else if ( scope.object.isOrthographicCamera ) {
+
+					zoomChanged = scale !== 1;
 
-					scope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom / scale ) );
-					scope.object.updateProjectionMatrix();
-					zoomChanged = true;
+					if ( zoomChanged ) {
+
+						scope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom / scale ) );
+						scope.object.updateProjectionMatrix();
+
+					}
 
 				}