diff --git a/Classes/HMGLTransitions/CubeTransition.h b/Classes/HMGLTransitions/CubeTransition.h
new file mode 100644
index 0000000..fc9acfb
--- /dev/null
+++ b/Classes/HMGLTransitions/CubeTransition.h
@@ -0,0 +1,25 @@
+//
+//  CubeTransition.h
+//  HMGLTransitions
+//
+//  Created by Patrick Pietens on 11/14/11.
+//  Copyright (c) 2011 PatrickPietens.com. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import "HMGLTransition.h"
+
+typedef enum {
+	CubeTransitionRight,	
+	CubeTransitionLeft
+} CubeTransitionType;
+
+@interface CubeTransition : HMGLTransition
+{    
+	CubeTransitionType transitionType;	
+	GLfloat animationTime;
+}
+
+@property (nonatomic, assign) CubeTransitionType transitionType;
+
+@end
diff --git a/Classes/HMGLTransitions/CubeTransition.m b/Classes/HMGLTransitions/CubeTransition.m
new file mode 100644
index 0000000..f23666d
--- /dev/null
+++ b/Classes/HMGLTransitions/CubeTransition.m
@@ -0,0 +1,93 @@
+//
+//  CubeTransition.m
+//  HMGLTransitions
+//
+//  Created by Patrick Pietens on 11/14/11.
+//  Copyright (c) 2011 PatrickPietens.com. All rights reserved.
+//
+
+#import "CubeTransition.h"
+
+@implementation CubeTransition
+
+@synthesize transitionType;
+
+- (id)init 
+{
+	if (self = [super init]) 
+    {
+		transitionType = CubeTransitionLeft;
+	}
+    
+	return self;
+}
+
+
+- (void)initTransition 
+{	
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glFrustumf(-0.1, 0.1, -0.1, 0.1, 0.1, 100.0);
+	
+	glEnable(GL_DEPTH_TEST);
+	glEnable(GL_CULL_FACE);
+	
+	glDisable(GL_LIGHTING);
+	glColor4f(1.0, 1.0, 1.0, 1.0);		
+	
+    animationTime = 0;
+}
+
+
+- (void)drawWithBeginTexture:(GLuint)beginTexture endTexture:(GLuint)endTexture 
+{	
+    int myDirection = transitionType == CubeTransitionLeft ? -1 : 1;
+    
+	glClearColor(0.0, 0.0, 0.0, 1.0);
+	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+	
+	GLfloat vertices[] = {
+        -0.5, -0.5,
+		0.5, -0.5,
+        -0.5,  0.5,
+		0.5, 0.5,
+    };
+    
+    glEnable(GL_TEXTURE_2D);
+	
+    glVertexPointer(2, GL_FLOAT, 0, vertices);
+    glEnableClientState(GL_VERTEX_ARRAY);
+    glTexCoordPointer(2, GL_FLOAT, 0, &basicTexCoords);
+    glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+	
+    glMatrixMode(GL_MODELVIEW);
+    glLoadIdentity(); 	
+    
+	glPushMatrix();
+	// begin view
+	glBindTexture(GL_TEXTURE_2D, beginTexture);	
+    glTranslatef(0, 0, -1.0);
+	glRotatef(myDirection * -90 * sin(animationTime), 0, 1, 0); 
+    glTranslatef(0, 0, 0.5);    
+	glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
+	glPopMatrix();
+	
+	glPushMatrix();
+	// end view
+	glBindTexture(GL_TEXTURE_2D, endTexture);	
+    glTranslatef(0, 0, -1.0 );
+	glRotatef(myDirection * -90 * sin(animationTime), 0, 1, 0); 
+    glTranslatef(myDirection * 0.5, 0.0, 0);    
+    glRotatef(myDirection * 90, 0, 1, 0);
+	glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
+	glPopMatrix();
+}
+
+
+- (BOOL)calc:(NSTimeInterval)frameTime 
+{	
+	animationTime += M_PI * 0.5 * frameTime * 1.5;
+    return animationTime > M_PI * 0.5;	
+}
+
+@end
diff --git a/HMGLTransitions.xcodeproj/project.pbxproj b/HMGLTransitions.xcodeproj/project.pbxproj
index 7476f18..f650e34 100755
--- a/HMGLTransitions.xcodeproj/project.pbxproj
+++ b/HMGLTransitions.xcodeproj/project.pbxproj
@@ -16,6 +16,7 @@
 		28AD733F0D9D9553002E5188 /* MainWindow.xib in Resources */ = {isa = PBXBuildFile; fileRef = 28AD733E0D9D9553002E5188 /* MainWindow.xib */; };
 		28D7ACF80DDB3853001CB0EB /* RootViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 28D7ACF70DDB3853001CB0EB /* RootViewController.m */; };
 		55F884E3142A0B47008F9C14 /* MainWindow~ipad.xib in Resources */ = {isa = PBXBuildFile; fileRef = 55F884E2142A0B47008F9C14 /* MainWindow~ipad.xib */; };
+		87B7430C14716AD00019895C /* CubeTransition.m in Sources */ = {isa = PBXBuildFile; fileRef = 87B7430B14716AD00019895C /* CubeTransition.m */; };
 		AC13782B124ECCD800D21E3F /* QuartzCore.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = AC13782A124ECCD800D21E3F /* QuartzCore.framework */; };
 		AC137831124ECCDC00D21E3F /* OpenGLES.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = AC137830124ECCDC00D21E3F /* OpenGLES.framework */; };
 		AC137845124ECD2B00D21E3F /* HMGLTransition.m in Sources */ = {isa = PBXBuildFile; fileRef = AC13783C124ECD2B00D21E3F /* HMGLTransition.m */; };
@@ -45,11 +46,13 @@
 		288765A40DF7441C002DB57D /* CoreGraphics.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = CoreGraphics.framework; path = System/Library/Frameworks/CoreGraphics.framework; sourceTree = SDKROOT; };
 		2899E5210DE3E06400AC0155 /* RootViewController.xib */ = {isa = PBXFileReference; lastKnownFileType = file.xib; path = RootViewController.xib; sourceTree = "<group>"; };
 		28AD733E0D9D9553002E5188 /* MainWindow.xib */ = {isa = PBXFileReference; lastKnownFileType = file.xib; path = MainWindow.xib; sourceTree = "<group>"; };
-		28D7ACF60DDB3853001CB0EB /* RootViewController.h */ = {isa = PBXFileReference; fileEncoding = 4; path = RootViewController.h; sourceTree = "<group>"; };
+		28D7ACF60DDB3853001CB0EB /* RootViewController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = RootViewController.h; sourceTree = "<group>"; };
 		28D7ACF70DDB3853001CB0EB /* RootViewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = RootViewController.m; sourceTree = "<group>"; };
 		29B97316FDCFA39411CA2CEA /* main.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = main.m; sourceTree = "<group>"; };
 		32CA4F630368D1EE00C91783 /* HMGLTransitions_Prefix.pch */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = HMGLTransitions_Prefix.pch; sourceTree = "<group>"; };
 		55F884E2142A0B47008F9C14 /* MainWindow~ipad.xib */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = file.xib; path = "MainWindow~ipad.xib"; sourceTree = "<group>"; };
+		87B7430A14716AD00019895C /* CubeTransition.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = CubeTransition.h; sourceTree = "<group>"; };
+		87B7430B14716AD00019895C /* CubeTransition.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = CubeTransition.m; sourceTree = "<group>"; };
 		8D1107310486CEB800E47090 /* HMGLTransitions-Info.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; path = "HMGLTransitions-Info.plist"; plistStructureDefinitionIdentifier = "com.apple.xcode.plist.structure-definition.iphone.info-plist"; sourceTree = "<group>"; };
 		AC13782A124ECCD800D21E3F /* QuartzCore.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = QuartzCore.framework; path = System/Library/Frameworks/QuartzCore.framework; sourceTree = SDKROOT; };
 		AC137830124ECCDC00D21E3F /* OpenGLES.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = OpenGLES.framework; path = System/Library/Frameworks/OpenGLES.framework; sourceTree = SDKROOT; };
@@ -65,7 +68,7 @@
 		AC137926124ED75E00D21E3F /* FlipTransition.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = FlipTransition.m; sourceTree = "<group>"; };
 		AC169A71124FCD72008F43EA /* RotateTransition.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = RotateTransition.h; sourceTree = "<group>"; };
 		AC169A72124FCD72008F43EA /* RotateTransition.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = RotateTransition.m; sourceTree = "<group>"; };
-		AC169B0E124FD5FC008F43EA /* ModalViewController.h */ = {isa = PBXFileReference; fileEncoding = 4; path = ModalViewController.h; sourceTree = "<group>"; };
+		AC169B0E124FD5FC008F43EA /* ModalViewController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ModalViewController.h; sourceTree = "<group>"; };
 		AC169B0F124FD5FC008F43EA /* ModalViewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = ModalViewController.m; sourceTree = "<group>"; };
 		AC169B10124FD5FC008F43EA /* ModalViewController.xib */ = {isa = PBXFileReference; lastKnownFileType = file.xib; name = ModalViewController.xib; path = Classes/ModalViewController.xib; sourceTree = "<group>"; };
 		AC169B6A124FE159008F43EA /* HMLogo.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = HMLogo.png; sourceTree = "<group>"; };
@@ -170,6 +173,8 @@
 		AC169A74124FCD7C008F43EA /* Transitions */ = {
 			isa = PBXGroup;
 			children = (
+				87B7430A14716AD00019895C /* CubeTransition.h */,
+				87B7430B14716AD00019895C /* CubeTransition.m */,
 				AC3E6FA8125264130066AF56 /* DoorsTransition.h */,
 				AC3E6FA9125264130066AF56 /* DoorsTransition.m */,
 				AC169CD4124FF423008F43EA /* ClothTransition.h */,
@@ -300,6 +305,7 @@
 				AC169B11124FD5FC008F43EA /* ModalViewController.m in Sources */,
 				AC169CD6124FF423008F43EA /* ClothTransition.m in Sources */,
 				AC3E6FAA125264130066AF56 /* DoorsTransition.m in Sources */,
+				87B7430C14716AD00019895C /* CubeTransition.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
diff --git a/HMGLTransitions.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/HMGLTransitions.xcodeproj/project.xcworkspace/contents.xcworkspacedata
new file mode 100644
index 0000000..2cf3dd3
--- /dev/null
+++ b/HMGLTransitions.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "self:HMGLTransitions.xcodeproj">
+   </FileRef>
+</Workspace>
diff --git a/HMGLTransitions.xcodeproj/project.xcworkspace/xcuserdata/patrickpietens.xcuserdatad/UserInterfaceState.xcuserstate b/HMGLTransitions.xcodeproj/project.xcworkspace/xcuserdata/patrickpietens.xcuserdatad/UserInterfaceState.xcuserstate
new file mode 100644
index 0000000..bf069fb
Binary files /dev/null and b/HMGLTransitions.xcodeproj/project.xcworkspace/xcuserdata/patrickpietens.xcuserdatad/UserInterfaceState.xcuserstate differ
diff --git a/HMGLTransitions.xcodeproj/xcuserdata/patrickpietens.xcuserdatad/xcschemes/HMGLTransitions.xcscheme b/HMGLTransitions.xcodeproj/xcuserdata/patrickpietens.xcuserdatad/xcschemes/HMGLTransitions.xcscheme
new file mode 100644
index 0000000..a904029
--- /dev/null
+++ b/HMGLTransitions.xcodeproj/xcuserdata/patrickpietens.xcuserdatad/xcschemes/HMGLTransitions.xcscheme
@@ -0,0 +1,84 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "1D6058900D05DD3D006BFB54"
+               BuildableName = "HMGLTransitions.app"
+               BlueprintName = "HMGLTransitions"
+               ReferencedContainer = "container:HMGLTransitions.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.GDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.GDB"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      buildConfiguration = "Debug">
+      <Testables>
+      </Testables>
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "1D6058900D05DD3D006BFB54"
+            BuildableName = "HMGLTransitions.app"
+            BlueprintName = "HMGLTransitions"
+            ReferencedContainer = "container:HMGLTransitions.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+   </TestAction>
+   <LaunchAction
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.GDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.GDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      buildConfiguration = "Debug"
+      debugDocumentVersioning = "YES"
+      allowLocationSimulation = "YES">
+      <BuildableProductRunnable>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "1D6058900D05DD3D006BFB54"
+            BuildableName = "HMGLTransitions.app"
+            BlueprintName = "HMGLTransitions"
+            ReferencedContainer = "container:HMGLTransitions.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </LaunchAction>
+   <ProfileAction
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      buildConfiguration = "Release"
+      debugDocumentVersioning = "YES">
+      <BuildableProductRunnable>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "1D6058900D05DD3D006BFB54"
+            BuildableName = "HMGLTransitions.app"
+            BlueprintName = "HMGLTransitions"
+            ReferencedContainer = "container:HMGLTransitions.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>
diff --git a/HMGLTransitions.xcodeproj/xcuserdata/patrickpietens.xcuserdatad/xcschemes/xcschememanagement.plist b/HMGLTransitions.xcodeproj/xcuserdata/patrickpietens.xcuserdatad/xcschemes/xcschememanagement.plist
new file mode 100644
index 0000000..0be2b49
--- /dev/null
+++ b/HMGLTransitions.xcodeproj/xcuserdata/patrickpietens.xcuserdatad/xcschemes/xcschememanagement.plist
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>SchemeUserState</key>
+	<dict>
+		<key>HMGLTransitions.xcscheme</key>
+		<dict>
+			<key>orderHint</key>
+			<integer>0</integer>
+		</dict>
+	</dict>
+	<key>SuppressBuildableAutocreation</key>
+	<dict>
+		<key>1D6058900D05DD3D006BFB54</key>
+		<dict>
+			<key>primary</key>
+			<true/>
+		</dict>
+	</dict>
+</dict>
+</plist>