Extend OpenVulkanoOrientationLockableViewController

openVulkanoCpp/Host/iOS/OpenVulkanoOrientationLockableViewController.mm

@@ -29,6 +29,17 @@
 	}
 }
 
+-(CGFloat)getOrientation {
+	if (_rotationLockedView == nil) return 0;
+	return [[_rotationLockedView.layer valueForKeyPath:@"transform.rotation.z"] floatValue];
+}
+
+-(void)setOrientation:(CGFloat)angle {
+	if (_rotationLockedView != nil) {
+		[_rotationLockedView.layer setValue:@(angle) forKeyPath:@"transform.rotation.z"];
+	}
+}
+
 -(void)viewWillTransitionToSize:(CGSize)size withTransitionCoordinator:(id<UIViewControllerTransitionCoordinator>)coordinator {
 	[super viewWillTransitionToSize:size withTransitionCoordinator:coordinator];
 
@@ -38,10 +49,10 @@
 			CGAffineTransform deltaTransform = coordinator.targetTransform;
 			CGFloat deltaAngle = atan2f(deltaTransform.b, deltaTransform.a);
 
-			CGFloat currentRotation = [[_rotationLockedView.layer valueForKeyPath:@"transform.rotation.z"] floatValue];
+			CGFloat currentRotation = [self getOrientation];
 			// Adding a small value to the rotation angle forces the animation to occur in a the desired direction, preventing an issue where the view would appear to rotate 2PI radians during a rotation from LandscapeRight -> LandscapeLeft.
 			currentRotation += -1 * deltaAngle + 0.0001;
-			[_rotationLockedView.layer setValue:@(currentRotation) forKeyPath:@"transform.rotation.z"];
+			[self setOrientation:currentRotation];
 
 		} completion:^(id <UIViewControllerTransitionCoordinatorContext> context) {
 			// Integralize the transform to undo the extra 0.0001 added to the rotation angle.

openVulkanoCpp/Host/iOS/OpenVulkanoViewController.h

@@ -16,6 +16,8 @@
 
 @property (nonatomic, strong) OpenVulkanoView* openVulkanoView;
 
+-(id)init;
+
 -(void*) makeGraphicsApp;
 
 @end
@@ -24,4 +26,12 @@
 
 @property (nonatomic, strong) UIView* rotationLockedView;
 
+//@property CGFloat baseRotation;
+
+-(id)init;
+
+-(CGFloat)getOrientation;
+
+-(void)setOrientation:(CGFloat)angle;
+
 @end