diff --git a/Cube4Fun.xcodeproj/project.pbxproj b/Cube4Fun.xcodeproj/project.pbxproj
index f227162..e7ac836 100644
--- a/Cube4Fun.xcodeproj/project.pbxproj
+++ b/Cube4Fun.xcodeproj/project.pbxproj
@@ -29,23 +29,12 @@
 		ADCB865F1AC6471C00E300C7 /* GameViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = ADCB865E1AC6471C00E300C7 /* GameViewController.swift */; };
 		ADCB86631AC6471C00E300C7 /* Images.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = ADCB86621AC6471C00E300C7 /* Images.xcassets */; };
 		ADCB86661AC6471C00E300C7 /* MainMenu.xib in Resources */ = {isa = PBXBuildFile; fileRef = ADCB86641AC6471C00E300C7 /* MainMenu.xib */; };
-		ADCB86721AC6471C00E300C7 /* Cube4FunTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = ADCB86711AC6471C00E300C7 /* Cube4FunTests.swift */; };
 		ADCB867C1AC6498400E300C7 /* PrimitivesScene.swift in Sources */ = {isa = PBXBuildFile; fileRef = ADCB867B1AC6498400E300C7 /* PrimitivesScene.swift */; };
 		ADE765191AC8FD42003CA000 /* Gradient.png in Resources */ = {isa = PBXBuildFile; fileRef = ADE765181AC8FD42003CA000 /* Gradient.png */; };
 		ADE7651D1AC90AB3003CA000 /* Arrows.png in Resources */ = {isa = PBXBuildFile; fileRef = ADE7651C1AC90AB3003CA000 /* Arrows.png */; };
 		ADE7651F1AC92423003CA000 /* Gradient2.png in Resources */ = {isa = PBXBuildFile; fileRef = ADE7651E1AC92423003CA000 /* Gradient2.png */; };
 /* End PBXBuildFile section */
 
-/* Begin PBXContainerItemProxy section */
-		ADCB866C1AC6471C00E300C7 /* PBXContainerItemProxy */ = {
-			isa = PBXContainerItemProxy;
-			containerPortal = ADCB864D1AC6471C00E300C7 /* Project object */;
-			proxyType = 1;
-			remoteGlobalIDString = ADCB86541AC6471C00E300C7;
-			remoteInfo = Cube4Fun;
-		};
-/* End PBXContainerItemProxy section */
-
 /* Begin PBXFileReference section */
 		AD21D6151ACE66CA00303E00 /* AnimationsController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = AnimationsController.swift; path = src/AnimationsController.swift; sourceTree = "<group>"; };
 		AD46E3F41AE4AA800040A7FE /* libPocoFoundation.a */ = {isa = PBXFileReference; lastKnownFileType = archive.ar; name = libPocoFoundation.a; path = Cube4Fun/Poco/libPocoFoundation.a; sourceTree = "<group>"; };
@@ -78,7 +67,6 @@
 		ADCB865E1AC6471C00E300C7 /* GameViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; name = GameViewController.swift; path = src/GameViewController.swift; sourceTree = "<group>"; };
 		ADCB86621AC6471C00E300C7 /* Images.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Images.xcassets; sourceTree = "<group>"; };
 		ADCB86651AC6471C00E300C7 /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.xib; name = Base; path = Base.lproj/MainMenu.xib; sourceTree = "<group>"; };
-		ADCB866B1AC6471C00E300C7 /* Cube4FunTests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = Cube4FunTests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
 		ADCB86701AC6471C00E300C7 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
 		ADCB86711AC6471C00E300C7 /* Cube4FunTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Cube4FunTests.swift; sourceTree = "<group>"; };
 		ADCB867B1AC6498400E300C7 /* PrimitivesScene.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = PrimitivesScene.swift; path = src/PrimitivesScene.swift; sourceTree = "<group>"; };
@@ -97,13 +85,6 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
-		ADCB86681AC6471C00E300C7 /* Frameworks */ = {
-			isa = PBXFrameworksBuildPhase;
-			buildActionMask = 2147483647;
-			files = (
-			);
-			runOnlyForDeploymentPostprocessing = 0;
-		};
 /* End PBXFrameworksBuildPhase section */
 
 /* Begin PBXGroup section */
@@ -169,7 +150,6 @@
 			isa = PBXGroup;
 			children = (
 				ADCB86551AC6471C00E300C7 /* Cube4Fun.app */,
-				ADCB866B1AC6471C00E300C7 /* Cube4FunTests.xctest */,
 			);
 			name = Products;
 			sourceTree = "<group>";
@@ -243,24 +223,6 @@
 			productReference = ADCB86551AC6471C00E300C7 /* Cube4Fun.app */;
 			productType = "com.apple.product-type.application";
 		};
-		ADCB866A1AC6471C00E300C7 /* Cube4FunTests */ = {
-			isa = PBXNativeTarget;
-			buildConfigurationList = ADCB86781AC6471C00E300C7 /* Build configuration list for PBXNativeTarget "Cube4FunTests" */;
-			buildPhases = (
-				ADCB86671AC6471C00E300C7 /* Sources */,
-				ADCB86681AC6471C00E300C7 /* Frameworks */,
-				ADCB86691AC6471C00E300C7 /* Resources */,
-			);
-			buildRules = (
-			);
-			dependencies = (
-				ADCB866D1AC6471C00E300C7 /* PBXTargetDependency */,
-			);
-			name = Cube4FunTests;
-			productName = Cube4FunTests;
-			productReference = ADCB866B1AC6471C00E300C7 /* Cube4FunTests.xctest */;
-			productType = "com.apple.product-type.bundle.unit-test";
-		};
 /* End PBXNativeTarget section */
 
 /* Begin PBXProject section */
@@ -273,10 +235,6 @@
 					ADCB86541AC6471C00E300C7 = {
 						CreatedOnToolsVersion = 6.2;
 					};
-					ADCB866A1AC6471C00E300C7 = {
-						CreatedOnToolsVersion = 6.2;
-						TestTargetID = ADCB86541AC6471C00E300C7;
-					};
 				};
 			};
 			buildConfigurationList = ADCB86501AC6471C00E300C7 /* Build configuration list for PBXProject "Cube4Fun" */;
@@ -293,7 +251,6 @@
 			projectRoot = "";
 			targets = (
 				ADCB86541AC6471C00E300C7 /* Cube4Fun */,
-				ADCB866A1AC6471C00E300C7 /* Cube4FunTests */,
 			);
 		};
 /* End PBXProject section */
@@ -321,13 +278,6 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
-		ADCB86691AC6471C00E300C7 /* Resources */ = {
-			isa = PBXResourcesBuildPhase;
-			buildActionMask = 2147483647;
-			files = (
-			);
-			runOnlyForDeploymentPostprocessing = 0;
-		};
 /* End PBXResourcesBuildPhase section */
 
 /* Begin PBXSourcesBuildPhase section */
@@ -347,24 +297,8 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
-		ADCB86671AC6471C00E300C7 /* Sources */ = {
-			isa = PBXSourcesBuildPhase;
-			buildActionMask = 2147483647;
-			files = (
-				ADCB86721AC6471C00E300C7 /* Cube4FunTests.swift in Sources */,
-			);
-			runOnlyForDeploymentPostprocessing = 0;
-		};
 /* End PBXSourcesBuildPhase section */
 
-/* Begin PBXTargetDependency section */
-		ADCB866D1AC6471C00E300C7 /* PBXTargetDependency */ = {
-			isa = PBXTargetDependency;
-			target = ADCB86541AC6471C00E300C7 /* Cube4Fun */;
-			targetProxy = ADCB866C1AC6471C00E300C7 /* PBXContainerItemProxy */;
-		};
-/* End PBXTargetDependency section */
-
 /* Begin PBXVariantGroup section */
 		ADCB86641AC6471C00E300C7 /* MainMenu.xib */ = {
 			isa = PBXVariantGroup;
@@ -497,42 +431,6 @@
 			};
 			name = Release;
 		};
-		ADCB86791AC6471C00E300C7 /* Debug */ = {
-			isa = XCBuildConfiguration;
-			buildSettings = {
-				BUNDLE_LOADER = "$(TEST_HOST)";
-				COMBINE_HIDPI_IMAGES = YES;
-				FRAMEWORK_SEARCH_PATHS = (
-					"$(DEVELOPER_FRAMEWORKS_DIR)",
-					"$(inherited)",
-				);
-				GCC_PREPROCESSOR_DEFINITIONS = (
-					"DEBUG=1",
-					"$(inherited)",
-				);
-				INFOPLIST_FILE = Cube4FunTests/Info.plist;
-				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks @loader_path/../Frameworks";
-				PRODUCT_NAME = "$(TARGET_NAME)";
-				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/Cube4Fun.app/Contents/MacOS/Cube4Fun";
-			};
-			name = Debug;
-		};
-		ADCB867A1AC6471C00E300C7 /* Release */ = {
-			isa = XCBuildConfiguration;
-			buildSettings = {
-				BUNDLE_LOADER = "$(TEST_HOST)";
-				COMBINE_HIDPI_IMAGES = YES;
-				FRAMEWORK_SEARCH_PATHS = (
-					"$(DEVELOPER_FRAMEWORKS_DIR)",
-					"$(inherited)",
-				);
-				INFOPLIST_FILE = Cube4FunTests/Info.plist;
-				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks @loader_path/../Frameworks";
-				PRODUCT_NAME = "$(TARGET_NAME)";
-				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/Cube4Fun.app/Contents/MacOS/Cube4Fun";
-			};
-			name = Release;
-		};
 /* End XCBuildConfiguration section */
 
 /* Begin XCConfigurationList section */
@@ -554,15 +452,6 @@
 			defaultConfigurationIsVisible = 0;
 			defaultConfigurationName = Release;
 		};
-		ADCB86781AC6471C00E300C7 /* Build configuration list for PBXNativeTarget "Cube4FunTests" */ = {
-			isa = XCConfigurationList;
-			buildConfigurations = (
-				ADCB86791AC6471C00E300C7 /* Debug */,
-				ADCB867A1AC6471C00E300C7 /* Release */,
-			);
-			defaultConfigurationIsVisible = 0;
-			defaultConfigurationName = Release;
-		};
 /* End XCConfigurationList section */
 	};
 	rootObject = ADCB864D1AC6471C00E300C7 /* Project object */;