├── SCREENSHOT.gif ├── Demo ├── DBSphereTagCloud.xcodeproj │ ├── project.xcworkspace │ │ ├── contents.xcworkspacedata │ │ ├── xcuserdata │ │ │ └── desolate.xcuserdatad │ │ │ │ └── UserInterfaceState.xcuserstate │ │ └── xcshareddata │ │ │ └── DBSphereTagCloud.xccheckout │ ├── xcuserdata │ │ └── desolate.xcuserdatad │ │ │ └── xcschemes │ │ │ ├── xcschememanagement.plist │ │ │ └── DBSphereTagCloud.xcscheme │ └── project.pbxproj ├── DBSphereTagCloud │ ├── ViewController.h │ ├── AppDelegate.h │ ├── main.m │ ├── Images.xcassets │ │ ├── AppIcon.appiconset │ │ │ └── Contents.json │ │ └── LaunchImage.launchimage │ │ │ └── Contents.json │ ├── Info.plist │ ├── Base.lproj │ │ └── Main.storyboard │ ├── ViewController.m │ └── AppDelegate.m └── DBSphereTagCloudTests │ ├── Info.plist │ └── DBSphereTagCloudTests.m ├── DBSphereTagCloud ├── DBPoint.h ├── DBSphereView.h ├── DBMatrix.h └── DBSphereView.m ├── README.md ├── LICENSE └── DBSphereTagCloud.podspec /SCREENSHOT.gif: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/dongxinb/DBSphereTagCloud/HEAD/SCREENSHOT.gif -------------------------------------------------------------------------------- /Demo/DBSphereTagCloud.xcodeproj/project.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /Demo/DBSphereTagCloud.xcodeproj/project.xcworkspace/xcuserdata/desolate.xcuserdatad/UserInterfaceState.xcuserstate: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/dongxinb/DBSphereTagCloud/HEAD/Demo/DBSphereTagCloud.xcodeproj/project.xcworkspace/xcuserdata/desolate.xcuserdatad/UserInterfaceState.xcuserstate -------------------------------------------------------------------------------- /Demo/DBSphereTagCloud/ViewController.h: -------------------------------------------------------------------------------- 1 | // 2 | // ViewController.h 3 | // DBSphereTagCloud 4 | // 5 | // Created by Xinbao Dong on 14/9/1. 6 | // Copyright (c) 2014年 Xinbao Dong. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | @interface ViewController : UIViewController 12 | 13 | 14 | @end 15 | 16 | -------------------------------------------------------------------------------- /Demo/DBSphereTagCloud/AppDelegate.h: -------------------------------------------------------------------------------- 1 | // 2 | // AppDelegate.h 3 | // DBSphereTagCloud 4 | // 5 | // Created by Xinbao Dong on 14/9/1. 6 | // Copyright (c) 2014年 Xinbao Dong. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | @interface AppDelegate : UIResponder 12 | 13 | @property (strong, nonatomic) UIWindow *window; 14 | 15 | 16 | @end 17 | 18 | -------------------------------------------------------------------------------- /Demo/DBSphereTagCloud/main.m: -------------------------------------------------------------------------------- 1 | // 2 | // main.m 3 | // DBSphereTagCloud 4 | // 5 | // Created by Xinbao Dong on 14/9/1. 6 | // Copyright (c) 2014年 Xinbao Dong. All rights reserved. 7 | // 8 | 9 | #import 10 | #import "AppDelegate.h" 11 | 12 | int main(int argc, char * argv[]) { 13 | @autoreleasepool { 14 | return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class])); 15 | } 16 | } 17 | -------------------------------------------------------------------------------- /Demo/DBSphereTagCloud/Images.xcassets/AppIcon.appiconset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "idiom" : "iphone", 5 | "size" : "29x29", 6 | "scale" : "2x" 7 | }, 8 | { 9 | "idiom" : "iphone", 10 | "size" : "40x40", 11 | "scale" : "2x" 12 | }, 13 | { 14 | "idiom" : "iphone", 15 | "size" : "60x60", 16 | "scale" : "2x" 17 | } 18 | ], 19 | "info" : { 20 | "version" : 1, 21 | "author" : "xcode" 22 | } 23 | } -------------------------------------------------------------------------------- /Demo/DBSphereTagCloud/Images.xcassets/LaunchImage.launchimage/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "orientation" : "portrait", 5 | "idiom" : "iphone", 6 | "extent" : "full-screen", 7 | "minimum-system-version" : "7.0", 8 | "scale" : "2x" 9 | }, 10 | { 11 | "orientation" : "portrait", 12 | "idiom" : "iphone", 13 | "subtype" : "retina4", 14 | "extent" : "full-screen", 15 | "minimum-system-version" : "7.0", 16 | "scale" : "2x" 17 | } 18 | ], 19 | "info" : { 20 | "version" : 1, 21 | "author" : "xcode" 22 | } 23 | } -------------------------------------------------------------------------------- /DBSphereTagCloud/DBPoint.h: -------------------------------------------------------------------------------- 1 | // 2 | // DBPoint.h 3 | // sphereTagCloud 4 | // 5 | // Created by Xinbao Dong on 14/8/31. 6 | // Copyright (c) 2014年 Xinbao Dong. All rights reserved. 7 | // 8 | 9 | #ifndef sphereTagCloud_DBPoint_h 10 | #define sphereTagCloud_DBPoint_h 11 | 12 | struct DBPoint { 13 | CGFloat x; 14 | CGFloat y; 15 | CGFloat z; 16 | }; 17 | 18 | typedef struct DBPoint DBPoint; 19 | 20 | 21 | DBPoint DBPointMake(CGFloat x, CGFloat y, CGFloat z) { 22 | DBPoint point; 23 | point.x = x; 24 | point.y = y; 25 | point.z = z; 26 | return point; 27 | } 28 | 29 | #endif 30 | -------------------------------------------------------------------------------- /DBSphereTagCloud/DBSphereView.h: -------------------------------------------------------------------------------- 1 | // 2 | // DBSphereView.h 3 | // sphereTagCloud 4 | // 5 | // Created by Xinbao Dong on 14/8/31. 6 | // Copyright (c) 2014年 Xinbao Dong. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | @interface DBSphereView : UIView 12 | 13 | /** 14 | * Sets the cloud's tag views. 15 | * 16 | * @remarks Any @c UIView subview can be passed in the array. 17 | * 18 | * @param array The array of tag views. 19 | */ 20 | - (void)setCloudTags:(NSArray *)array; 21 | 22 | /** 23 | * Starts the cloud autorotation animation. 24 | */ 25 | - (void)timerStart; 26 | 27 | /** 28 | * Stops the cloud autorotation animation. 29 | */ 30 | - (void)timerStop; 31 | 32 | @end 33 | -------------------------------------------------------------------------------- /Demo/DBSphereTagCloud.xcodeproj/xcuserdata/desolate.xcuserdatad/xcschemes/xcschememanagement.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | SchemeUserState 6 | 7 | DBSphereTagCloud.xcscheme 8 | 9 | orderHint 10 | 0 11 | 12 | 13 | SuppressBuildableAutocreation 14 | 15 | 9880A37D19B4972000227960 16 | 17 | primary 18 | 19 | 20 | 9880A39319B4972000227960 21 | 22 | primary 23 | 24 | 25 | 26 | 27 | 28 | -------------------------------------------------------------------------------- /Demo/DBSphereTagCloudTests/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | en 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | com.dongxinbao.$(PRODUCT_NAME:rfc1034identifier) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | $(PRODUCT_NAME) 15 | CFBundlePackageType 16 | BNDL 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleSignature 20 | ???? 21 | CFBundleVersion 22 | 1 23 | 24 | 25 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | DBSphereTagCloud 2 | ================ 3 | 4 | A 3D spherical tag cloud view of iOS. 5 | 6 | [Here](https://github.com/apparition47/DBSphereTagCloudSwift) is the *Swift* version of the cloud view. Thanks for [apparition47](https://github.com/apparition47). 7 | 8 | ## Introduction 9 | 10 | DBSphereTagCloud is a 3D spherical tag cloud view using UIKit. 11 | 12 | You can customize the code easily because the code is simple. 13 | 14 | ![DBSphereTagCloud](https://raw.githubusercontent.com/dongxinb/DBSphereTagCloud/master/SCREENSHOT.gif) 15 | 16 | ## Features 17 | 18 | * 3D effect 3D效果 19 | * auto rotation 自动旋转效果 20 | * inertial effect after rotation 惯性滚动效果 21 | 22 | ## Installation 23 | 24 | ```pod "DBSphereTagCloud"``` 25 | 26 | ## Usage 27 | ```Objective-C 28 | DBSphereView *view = [[DBSphereView alloc] initWithFrame:CGRectMake(0, 100, 320, 320)]; 29 | [view setCloudTags:buttonArray]; 30 | [self.view addSubView:view]; 31 | ``` 32 | 33 | ## License 34 | 35 | Under MIT License. 36 | -------------------------------------------------------------------------------- /Demo/DBSphereTagCloudTests/DBSphereTagCloudTests.m: -------------------------------------------------------------------------------- 1 | // 2 | // DBSphereTagCloudTests.m 3 | // DBSphereTagCloudTests 4 | // 5 | // Created by Xinbao Dong on 14/9/1. 6 | // Copyright (c) 2014年 Xinbao Dong. All rights reserved. 7 | // 8 | 9 | #import 10 | #import 11 | 12 | @interface DBSphereTagCloudTests : XCTestCase 13 | 14 | @end 15 | 16 | @implementation DBSphereTagCloudTests 17 | 18 | - (void)setUp { 19 | [super setUp]; 20 | // Put setup code here. This method is called before the invocation of each test method in the class. 21 | } 22 | 23 | - (void)tearDown { 24 | // Put teardown code here. This method is called after the invocation of each test method in the class. 25 | [super tearDown]; 26 | } 27 | 28 | - (void)testExample { 29 | // This is an example of a functional test case. 30 | XCTAssert(YES, @"Pass"); 31 | } 32 | 33 | - (void)testPerformanceExample { 34 | // This is an example of a performance test case. 35 | [self measureBlock:^{ 36 | // Put the code you want to measure the time of here. 37 | }]; 38 | } 39 | 40 | @end 41 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | The MIT License (MIT) 2 | 3 | Copyright (c) 2013 Path, Inc. 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in 13 | all copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 21 | THE SOFTWARE. -------------------------------------------------------------------------------- /Demo/DBSphereTagCloud/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | en 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | com.dongxinbao.$(PRODUCT_NAME:rfc1034identifier) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | $(PRODUCT_NAME) 15 | CFBundlePackageType 16 | APPL 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleSignature 20 | ???? 21 | CFBundleVersion 22 | 1 23 | LSRequiresIPhoneOS 24 | 25 | UIMainStoryboardFile 26 | Main 27 | UIRequiredDeviceCapabilities 28 | 29 | armv7 30 | 31 | UISupportedInterfaceOrientations 32 | 33 | UIInterfaceOrientationPortrait 34 | UIInterfaceOrientationLandscapeLeft 35 | UIInterfaceOrientationLandscapeRight 36 | 37 | 38 | 39 | -------------------------------------------------------------------------------- /Demo/DBSphereTagCloud/Base.lproj/Main.storyboard: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | -------------------------------------------------------------------------------- /Demo/DBSphereTagCloud.xcodeproj/project.xcworkspace/xcshareddata/DBSphereTagCloud.xccheckout: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | IDESourceControlProjectFavoriteDictionaryKey 6 | 7 | IDESourceControlProjectIdentifier 8 | A011ADAA-FB47-4310-88AC-DAF91C4E0802 9 | IDESourceControlProjectName 10 | DBSphereTagCloud 11 | IDESourceControlProjectOriginsDictionary 12 | 13 | AEA233ED2B5BFB582ABC16E3B78522508684D30E 14 | https://github.com/dongxinb/DBSphereTagCloud.git 15 | 16 | IDESourceControlProjectPath 17 | DBSphereTagCloud.xcodeproj 18 | IDESourceControlProjectRelativeInstallPathDictionary 19 | 20 | AEA233ED2B5BFB582ABC16E3B78522508684D30E 21 | ../.. 22 | 23 | IDESourceControlProjectURL 24 | https://github.com/dongxinb/DBSphereTagCloud.git 25 | IDESourceControlProjectVersion 26 | 111 27 | IDESourceControlProjectWCCIdentifier 28 | AEA233ED2B5BFB582ABC16E3B78522508684D30E 29 | IDESourceControlProjectWCConfigurations 30 | 31 | 32 | IDESourceControlRepositoryExtensionIdentifierKey 33 | public.vcs.git 34 | IDESourceControlWCCIdentifierKey 35 | AEA233ED2B5BFB582ABC16E3B78522508684D30E 36 | IDESourceControlWCCName 37 | DBSphereTagCloud 38 | 39 | 40 | 41 | 42 | -------------------------------------------------------------------------------- /Demo/DBSphereTagCloud/ViewController.m: -------------------------------------------------------------------------------- 1 | // 2 | // ViewController.m 3 | // DBSphereTagCloud 4 | // 5 | // Created by Xinbao Dong on 14/9/1. 6 | // Copyright (c) 2014年 Xinbao Dong. All rights reserved. 7 | // 8 | 9 | #import "ViewController.h" 10 | #import "DBSphereView.h" 11 | 12 | @interface ViewController () 13 | 14 | @property (nonatomic, retain) DBSphereView *sphereView; 15 | 16 | @end 17 | 18 | @implementation ViewController 19 | 20 | @synthesize sphereView; 21 | 22 | - (void)viewDidLoad { 23 | [super viewDidLoad]; 24 | sphereView = [[DBSphereView alloc] initWithFrame:CGRectMake(0, 100, 320, 320)]; 25 | NSMutableArray *array = [[NSMutableArray alloc] initWithCapacity:0]; 26 | for (NSInteger i = 0; i < 50; i ++) { 27 | UIButton *btn = [UIButton buttonWithType:UIButtonTypeSystem]; 28 | [btn setTitle:[NSString stringWithFormat:@"P%ld", i] forState:UIControlStateNormal]; 29 | [btn setTitleColor:[UIColor darkGrayColor] forState:UIControlStateNormal]; 30 | btn.titleLabel.font = [UIFont systemFontOfSize:24.]; 31 | btn.frame = CGRectMake(0, 0, 60, 20); 32 | [btn addTarget:self action:@selector(buttonPressed:) forControlEvents:UIControlEventTouchUpInside]; 33 | [array addObject:btn]; 34 | [sphereView addSubview:btn]; 35 | } 36 | [sphereView setCloudTags:array]; 37 | sphereView.backgroundColor = [UIColor whiteColor]; 38 | [self.view addSubview:sphereView]; 39 | 40 | // Do any additional setup after loading the view, typically from a nib. 41 | } 42 | 43 | - (void)buttonPressed:(UIButton *)btn 44 | { 45 | [sphereView timerStop]; 46 | 47 | [UIView animateWithDuration:0.3 animations:^{ 48 | btn.transform = CGAffineTransformMakeScale(2., 2.); 49 | } completion:^(BOOL finished) { 50 | [UIView animateWithDuration:0.3 animations:^{ 51 | btn.transform = CGAffineTransformMakeScale(1., 1.); 52 | } completion:^(BOOL finished) { 53 | [sphereView timerStart]; 54 | }]; 55 | }]; 56 | } 57 | 58 | - (void)didReceiveMemoryWarning 59 | { 60 | [super didReceiveMemoryWarning]; 61 | // Dispose of any resources that can be recreated. 62 | } 63 | 64 | @end 65 | -------------------------------------------------------------------------------- /Demo/DBSphereTagCloud/AppDelegate.m: -------------------------------------------------------------------------------- 1 | // 2 | // AppDelegate.m 3 | // DBSphereTagCloud 4 | // 5 | // Created by Xinbao Dong on 14/9/1. 6 | // Copyright (c) 2014年 Xinbao Dong. All rights reserved. 7 | // 8 | 9 | #import "AppDelegate.h" 10 | 11 | @interface AppDelegate () 12 | 13 | @end 14 | 15 | @implementation AppDelegate 16 | 17 | 18 | - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { 19 | // Override point for customization after application launch. 20 | return YES; 21 | } 22 | 23 | - (void)applicationWillResignActive:(UIApplication *)application { 24 | // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state. 25 | // Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game. 26 | } 27 | 28 | - (void)applicationDidEnterBackground:(UIApplication *)application { 29 | // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later. 30 | // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits. 31 | } 32 | 33 | - (void)applicationWillEnterForeground:(UIApplication *)application { 34 | // Called as part of the transition from the background to the inactive state; here you can undo many of the changes made on entering the background. 35 | } 36 | 37 | - (void)applicationDidBecomeActive:(UIApplication *)application { 38 | // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface. 39 | } 40 | 41 | - (void)applicationWillTerminate:(UIApplication *)application { 42 | // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:. 43 | } 44 | 45 | @end 46 | -------------------------------------------------------------------------------- /Demo/DBSphereTagCloud.xcodeproj/xcuserdata/desolate.xcuserdatad/xcschemes/DBSphereTagCloud.xcscheme: -------------------------------------------------------------------------------- 1 | 2 | 5 | 8 | 9 | 15 | 21 | 22 | 23 | 29 | 35 | 36 | 37 | 38 | 39 | 44 | 45 | 47 | 53 | 54 | 55 | 56 | 57 | 63 | 64 | 65 | 66 | 75 | 76 | 82 | 83 | 84 | 85 | 86 | 87 | 93 | 94 | 100 | 101 | 102 | 103 | 105 | 106 | 109 | 110 | 111 | -------------------------------------------------------------------------------- /DBSphereTagCloud/DBMatrix.h: -------------------------------------------------------------------------------- 1 | // 2 | // DBMatrix.h 3 | // sphereTagCloud 4 | // 5 | // Created by Xinbao Dong on 14/8/31. 6 | // Copyright (c) 2014年 Xinbao Dong. All rights reserved. 7 | // 8 | 9 | #ifndef sphereTagCloud_DBMatrix_h 10 | #define sphereTagCloud_DBMatrix_h 11 | 12 | #import "DBPoint.h" 13 | 14 | struct DBMatrix { 15 | NSInteger column; 16 | NSInteger row; 17 | CGFloat matrix[4][4]; 18 | }; 19 | 20 | typedef struct DBMatrix DBMatrix; 21 | 22 | static DBMatrix DBMatrixMake(NSInteger column, NSInteger row) { 23 | DBMatrix matrix; 24 | matrix.column = column; 25 | matrix.row = row; 26 | for(NSInteger i = 0; i < column; i++){ 27 | for(NSInteger j = 0; j < row; j++){ 28 | matrix.matrix[i][j] = 0; 29 | } 30 | } 31 | 32 | return matrix; 33 | } 34 | 35 | static DBMatrix DBMatrixMakeFromArray(NSInteger column, NSInteger row, CGFloat *data) { 36 | DBMatrix matrix = DBMatrixMake(column, row); 37 | for (int i = 0; i < column; i ++) { 38 | CGFloat *t = data + (i * row); 39 | for (int j = 0; j < row; j++) { 40 | matrix.matrix[i][j] = *(t + j); 41 | } 42 | } 43 | return matrix; 44 | } 45 | 46 | static DBMatrix DBMatrixMutiply(DBMatrix a, DBMatrix b) { 47 | DBMatrix result = DBMatrixMake(a.column, b.row); 48 | for(NSInteger i = 0; i < a.column; i ++){ 49 | for(NSInteger j = 0; j < b.row; j ++){ 50 | for(NSInteger k = 0; k < a.row; k++){ 51 | result.matrix[i][j] += a.matrix[i][k] * b.matrix[k][j]; 52 | } 53 | } 54 | } 55 | return result; 56 | } 57 | 58 | static DBPoint DBPointMakeRotation(DBPoint point, DBPoint direction, CGFloat angle) { 59 | // CGFloat temp1[4] = {direction.x, direction.y, direction.z, 1}; 60 | // DBMatrix directionM = DBMatrixMakeFromArray(1, 4, temp1); 61 | if (angle == 0) { 62 | return point; 63 | } 64 | 65 | CGFloat temp2[1][4] = {point.x, point.y, point.z, 1}; 66 | // DBMatrix pointM = DBMatrixMakeFromArray(1, 4, *temp2); 67 | 68 | DBMatrix result = DBMatrixMakeFromArray(1, 4, *temp2); 69 | 70 | if (direction.z * direction.z + direction.y * direction.y != 0) { 71 | CGFloat cos1 = direction.z / sqrt(direction.z * direction.z + direction.y * direction.y); 72 | CGFloat sin1 = direction.y / sqrt(direction.z * direction.z + direction.y * direction.y); 73 | CGFloat t1[4][4] = {{1, 0, 0, 0}, {0, cos1, sin1, 0}, {0, -sin1, cos1, 0}, {0, 0, 0, 1}}; 74 | DBMatrix m1 = DBMatrixMakeFromArray(4, 4, *t1); 75 | result = DBMatrixMutiply(result, m1); 76 | } 77 | 78 | if (direction.x * direction.x + direction.y * direction.y + direction.z * direction.z != 0) { 79 | CGFloat cos2 = sqrt(direction.y * direction.y + direction.z * direction.z) / sqrt(direction.x * direction.x + direction.y * direction.y + direction.z * direction.z); 80 | CGFloat sin2 = -direction.x / sqrt(direction.x * direction.x + direction.y * direction.y + direction.z * direction.z); 81 | CGFloat t2[4][4] = {{cos2, 0, -sin2, 0}, {0, 1, 0, 0}, {sin2, 0, cos2, 0}, {0, 0, 0, 1}}; 82 | DBMatrix m2 = DBMatrixMakeFromArray(4, 4, *t2); 83 | result = DBMatrixMutiply(result, m2); 84 | } 85 | 86 | CGFloat cos3 = cos(angle); 87 | CGFloat sin3 = sin(angle); 88 | CGFloat t3[4][4] = {{cos3, sin3, 0, 0}, {-sin3, cos3, 0, 0}, {0, 0, 1, 0}, {0, 0, 0, 1}}; 89 | DBMatrix m3 = DBMatrixMakeFromArray(4, 4, *t3); 90 | result = DBMatrixMutiply(result, m3); 91 | 92 | if (direction.x * direction.x + direction.y * direction.y + direction.z * direction.z != 0) { 93 | CGFloat cos2 = sqrt(direction.y * direction.y + direction.z * direction.z) / sqrt(direction.x * direction.x + direction.y * direction.y + direction.z * direction.z); 94 | CGFloat sin2 = -direction.x / sqrt(direction.x * direction.x + direction.y * direction.y + direction.z * direction.z); 95 | CGFloat t2_[4][4] = {{cos2, 0, sin2, 0}, {0, 1, 0, 0}, {-sin2, 0, cos2, 0}, {0, 0, 0, 1}}; 96 | DBMatrix m2_ = DBMatrixMakeFromArray(4, 4, *t2_); 97 | result = DBMatrixMutiply(result, m2_); 98 | } 99 | 100 | if (direction.z * direction.z + direction.y * direction.y != 0) { 101 | CGFloat cos1 = direction.z / sqrt(direction.z * direction.z + direction.y * direction.y); 102 | CGFloat sin1 = direction.y / sqrt(direction.z * direction.z + direction.y * direction.y); 103 | CGFloat t1_[4][4] = {{1, 0, 0, 0}, {0, cos1, -sin1, 0}, {0, sin1, cos1, 0}, {0, 0, 0, 1}}; 104 | DBMatrix m1_ = DBMatrixMakeFromArray(4, 4, *t1_); 105 | result = DBMatrixMutiply(result, m1_); 106 | } 107 | 108 | DBPoint resultPoint = DBPointMake(result.matrix[0][0], result.matrix[0][1], result.matrix[0][2]); 109 | 110 | return resultPoint; 111 | } 112 | 113 | #endif 114 | 115 | 116 | 117 | 118 | 119 | 120 | 121 | 122 | 123 | 124 | 125 | 126 | 127 | -------------------------------------------------------------------------------- /DBSphereTagCloud.podspec: -------------------------------------------------------------------------------- 1 | # 2 | # Be sure to run `pod spec lint DBSphereTagCloud.podspec' to ensure this is a 3 | # valid spec and to remove all comments including this before submitting the spec. 4 | # 5 | # To learn more about Podspec attributes see http://docs.cocoapods.org/specification.html 6 | # To see working Podspecs in the CocoaPods repo see https://github.com/CocoaPods/Specs/ 7 | # 8 | 9 | Pod::Spec.new do |s| 10 | 11 | # ――― Spec Metadata ―――――――――――――――――――――――――――――――――――――――――――――――――――――――――― # 12 | # 13 | # These will help people to find your library, and whilst it 14 | # can feel like a chore to fill in it's definitely to your advantage. The 15 | # summary should be tweet-length, and the description more in depth. 16 | # 17 | 18 | s.name = "DBSphereTagCloud" 19 | s.version = "1.0.0" 20 | s.summary = "A 3D spherical tag cloud view of iOS." 21 | 22 | s.description = <<-DESC 23 | DBSphereTagCloud is a 3D spherical tag cloud view using UIKit. 24 | 25 | DESC 26 | 27 | s.homepage = "https://github.com/dongxinb/DBSphereTagCloud" 28 | # s.screenshots = "www.example.com/screenshots_1.gif", "www.example.com/screenshots_2.gif" 29 | 30 | 31 | # ――― Spec License ――――――――――――――――――――――――――――――――――――――――――――――――――――――――――― # 32 | # 33 | # Licensing your code is important. See http://choosealicense.com for more info. 34 | # CocoaPods will detect a license file if there is a named LICENSE* 35 | # Popular ones are 'MIT', 'BSD' and 'Apache License, Version 2.0'. 36 | # 37 | 38 | s.license = "MIT" 39 | # s.license = { :type => "MIT", :file => "LICENSE" } 40 | 41 | 42 | # ――― Author Metadata ――――――――――――――――――――――――――――――――――――――――――――――――――――――――― # 43 | # 44 | # Specify the authors of the library, with email addresses. Email addresses 45 | # of the authors are extracted from the SCM log. E.g. $ git log. CocoaPods also 46 | # accepts just a name if you'd rather not provide an email address. 47 | # 48 | # Specify a social_media_url where others can refer to, for example a twitter 49 | # profile URL. 50 | # 51 | 52 | s.author = { "Dong Xinbao" => "dongxinb@gmail.com" } 53 | # Or just: s.author = "Dong Xinbao" 54 | # s.authors = { "Dong Xinbao" => "dongxinb@gmail.com" } 55 | # s.social_media_url = "http://twitter.com/Dong Xinbao" 56 | 57 | # ――― Platform Specifics ――――――――――――――――――――――――――――――――――――――――――――――――――――――― # 58 | # 59 | # If this Pod runs only on iOS or OS X, then specify the platform and 60 | # the deployment target. You can optionally include the target after the platform. 61 | # 62 | 63 | # s.platform = :ios 64 | s.platform = :ios, "6.0" 65 | 66 | # When using multiple platforms 67 | # s.ios.deployment_target = "5.0" 68 | # s.osx.deployment_target = "10.7" 69 | 70 | 71 | # ――― Source Location ―――――――――――――――――――――――――――――――――――――――――――――――――――――――――― # 72 | # 73 | # Specify the location from where the source should be retrieved. 74 | # Supports git, hg, bzr, svn and HTTP. 75 | # 76 | 77 | s.source = { :git => "https://github.com/dongxinb/DBSphereTagCloud.git", :tag => "1.0.0" } 78 | 79 | 80 | # ――― Source Code ―――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――― # 81 | # 82 | # CocoaPods is smart about how it includes source code. For source files 83 | # giving a folder will include any h, m, mm, c & cpp files. For header 84 | # files it will include any header in the folder. 85 | # Not including the public_header_files will make all headers public. 86 | # 87 | 88 | s.source_files = "DBSphereTagCloud/*" 89 | 90 | # s.public_header_files = "Classes/**/*.h" 91 | 92 | 93 | # ――― Resources ―――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――― # 94 | # 95 | # A list of resources included with the Pod. These are copied into the 96 | # target bundle with a build phase script. Anything else will be cleaned. 97 | # You can preserve files from being cleaned, please don't preserve 98 | # non-essential files like tests, examples and documentation. 99 | # 100 | 101 | # s.resource = "icon.png" 102 | # s.resources = "Resources/*.png" 103 | 104 | # s.preserve_paths = "FilesToSave", "MoreFilesToSave" 105 | 106 | 107 | # ――― Project Linking ―――――――――――――――――――――――――――――――――――――――――――――――――――――――――― # 108 | # 109 | # Link your library with frameworks, or libraries. Libraries do not include 110 | # the lib prefix of their name. 111 | # 112 | 113 | # s.framework = "SomeFramework" 114 | s.frameworks = 'Foundation', 'CoreGraphics', 'UIKit' 115 | 116 | # s.library = "iconv" 117 | # s.libraries = "iconv", "xml2" 118 | 119 | 120 | # ――― Project Settings ――――――――――――――――――――――――――――――――――――――――――――――――――――――――― # 121 | # 122 | # If your library depends on compiler flags you can set them in the xcconfig hash 123 | # where they will only apply to your library. If you depend on other Podspecs 124 | # you can include multiple dependencies to ensure it works. 125 | 126 | s.requires_arc = true 127 | 128 | # s.xcconfig = { "HEADER_SEARCH_PATHS" => "$(SDKROOT)/usr/include/libxml2" } 129 | # s.dependency "JSONKit", "~> 1.4" 130 | 131 | end 132 | -------------------------------------------------------------------------------- /DBSphereTagCloud/DBSphereView.m: -------------------------------------------------------------------------------- 1 | // 2 | // DBSphereView.m 3 | // sphereTagCloud 4 | // 5 | // Created by Xinbao Dong on 14/8/31. 6 | // Copyright (c) 2014年 Xinbao Dong. All rights reserved. 7 | // 8 | 9 | #import "DBSphereView.h" 10 | #import "DBMatrix.h" 11 | 12 | @interface DBSphereView() 13 | 14 | @end 15 | 16 | @implementation DBSphereView 17 | { 18 | NSMutableArray *tags; 19 | NSMutableArray *coordinate; 20 | DBPoint normalDirection; 21 | CGPoint last; 22 | 23 | CGFloat velocity; 24 | 25 | CADisplayLink *timer; 26 | CADisplayLink *inertia; 27 | } 28 | 29 | - (void)setup { 30 | UIPanGestureRecognizer *gesture = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(handlePanGesture:)]; 31 | [self addGestureRecognizer:gesture]; 32 | 33 | inertia = [CADisplayLink displayLinkWithTarget:self selector:@selector(inertiaStep)]; 34 | [inertia addToRunLoop:[NSRunLoop mainRunLoop] forMode:NSDefaultRunLoopMode]; 35 | 36 | timer = [CADisplayLink displayLinkWithTarget:self selector:@selector(autoTurnRotation)]; 37 | [timer addToRunLoop:[NSRunLoop mainRunLoop] forMode:NSDefaultRunLoopMode]; 38 | } 39 | 40 | - (id)initWithCoder:(NSCoder*)aDecoder 41 | { 42 | if(self = [super initWithCoder:aDecoder]) { 43 | [self setup]; 44 | } 45 | return self; 46 | } 47 | 48 | - (id)initWithFrame:(CGRect)frame 49 | { 50 | self = [super initWithFrame:frame]; 51 | if (self) { 52 | [self setup]; 53 | } 54 | return self; 55 | } 56 | 57 | #pragma mark - initial set 58 | 59 | - (void)setCloudTags:(NSArray *)array 60 | { 61 | tags = [NSMutableArray arrayWithArray:array]; 62 | coordinate = [[NSMutableArray alloc] initWithCapacity:0]; 63 | 64 | for (NSInteger i = 0; i < tags.count; i ++) { 65 | UIView *view = [tags objectAtIndex:i]; 66 | view.center = CGPointMake(self.frame.size.width / 2., self.frame.size.height / 2.); 67 | } 68 | 69 | CGFloat p1 = M_PI * (3 - sqrt(5)); 70 | CGFloat p2 = 2. / tags.count; 71 | 72 | for (NSInteger i = 0; i < tags.count; i ++) { 73 | 74 | CGFloat y = i * p2 - 1 + (p2 / 2); 75 | CGFloat r = sqrt(1 - y * y); 76 | CGFloat p3 = i * p1; 77 | CGFloat x = cos(p3) * r; 78 | CGFloat z = sin(p3) * r; 79 | 80 | 81 | DBPoint point = DBPointMake(x, y, z); 82 | NSValue *value = [NSValue value:&point withObjCType:@encode(DBPoint)]; 83 | [coordinate addObject:value]; 84 | 85 | CGFloat time = (arc4random() % 10 + 10.) / 20.; 86 | [UIView animateWithDuration:time delay:0. options:UIViewAnimationOptionCurveEaseOut animations:^{ 87 | [self setTagOfPoint:point andIndex:i]; 88 | } completion:^(BOOL finished) { 89 | 90 | }]; 91 | 92 | } 93 | 94 | NSInteger a = arc4random() % 10 - 5; 95 | NSInteger b = arc4random() % 10 - 5; 96 | normalDirection = DBPointMake(a, b, 0); 97 | [self timerStart]; 98 | } 99 | 100 | #pragma mark - set frame of point 101 | 102 | - (void)updateFrameOfPoint:(NSInteger)index direction:(DBPoint)direction andAngle:(CGFloat)angle 103 | { 104 | 105 | NSValue *value = [coordinate objectAtIndex:index]; 106 | DBPoint point; 107 | [value getValue:&point]; 108 | 109 | DBPoint rPoint = DBPointMakeRotation(point, direction, angle); 110 | value = [NSValue value:&rPoint withObjCType:@encode(DBPoint)]; 111 | coordinate[index] = value; 112 | 113 | [self setTagOfPoint:rPoint andIndex:index]; 114 | 115 | } 116 | 117 | - (void)setTagOfPoint: (DBPoint)point andIndex:(NSInteger)index 118 | { 119 | UIView *view = [tags objectAtIndex:index]; 120 | view.center = CGPointMake((point.x + 1) * (self.frame.size.width / 2.), (point.y + 1) * self.frame.size.width / 2.); 121 | 122 | CGFloat transform = (point.z + 2) / 3; 123 | view.transform = CGAffineTransformScale(CGAffineTransformIdentity, transform, transform); 124 | view.layer.zPosition = transform; 125 | view.alpha = transform; 126 | if (point.z < 0) { 127 | view.userInteractionEnabled = NO; 128 | }else { 129 | view.userInteractionEnabled = YES; 130 | } 131 | } 132 | 133 | #pragma mark - autoTurnRotation 134 | 135 | - (void)timerStart 136 | { 137 | timer.paused = NO; 138 | } 139 | 140 | - (void)timerStop 141 | { 142 | timer.paused = YES; 143 | } 144 | 145 | - (void)autoTurnRotation 146 | { 147 | for (NSInteger i = 0; i < tags.count; i ++) { 148 | [self updateFrameOfPoint:i direction:normalDirection andAngle:0.002]; 149 | } 150 | 151 | } 152 | 153 | #pragma mark - inertia 154 | 155 | - (void)inertiaStart 156 | { 157 | [self timerStop]; 158 | inertia.paused = NO; 159 | } 160 | 161 | - (void)inertiaStop 162 | { 163 | [self timerStart]; 164 | inertia.paused = YES; 165 | } 166 | 167 | - (void)inertiaStep 168 | { 169 | if (velocity <= 0) { 170 | [self inertiaStop]; 171 | }else { 172 | velocity -= 70.; 173 | CGFloat angle = velocity / self.frame.size.width * 2. * inertia.duration; 174 | for (NSInteger i = 0; i < tags.count; i ++) { 175 | [self updateFrameOfPoint:i direction:normalDirection andAngle:angle]; 176 | } 177 | } 178 | 179 | } 180 | 181 | #pragma mark - gesture selector 182 | 183 | - (void)handlePanGesture:(UIPanGestureRecognizer *)gesture 184 | { 185 | if (gesture.state == UIGestureRecognizerStateBegan) { 186 | last = [gesture locationInView:self]; 187 | [self timerStop]; 188 | [self inertiaStop]; 189 | 190 | }else if (gesture.state == UIGestureRecognizerStateChanged) { 191 | CGPoint current = [gesture locationInView:self]; 192 | DBPoint direction = DBPointMake(last.y - current.y, current.x - last.x, 0); 193 | 194 | CGFloat distance = sqrt(direction.x * direction.x + direction.y * direction.y); 195 | 196 | CGFloat angle = distance / (self.frame.size.width / 2.); 197 | 198 | for (NSInteger i = 0; i < tags.count; i ++) { 199 | [self updateFrameOfPoint:i direction:direction andAngle:angle]; 200 | } 201 | normalDirection = direction; 202 | last = current; 203 | }else if (gesture.state == UIGestureRecognizerStateEnded) { 204 | CGPoint velocityP = [gesture velocityInView:self]; 205 | velocity = sqrt(velocityP.x * velocityP.x + velocityP.y * velocityP.y); 206 | [self inertiaStart]; 207 | 208 | } 209 | 210 | 211 | } 212 | 213 | @end 214 | 215 | 216 | -------------------------------------------------------------------------------- /Demo/DBSphereTagCloud.xcodeproj/project.pbxproj: -------------------------------------------------------------------------------- 1 | // !$*UTF8*$! 2 | { 3 | archiveVersion = 1; 4 | classes = { 5 | }; 6 | objectVersion = 46; 7 | objects = { 8 | 9 | /* Begin PBXBuildFile section */ 10 | 98145DBC19B6A0E800CFBB12 /* DBSphereView.m in Sources */ = {isa = PBXBuildFile; fileRef = 98145DBB19B6A0E800CFBB12 /* DBSphereView.m */; }; 11 | 9880A38419B4972000227960 /* main.m in Sources */ = {isa = PBXBuildFile; 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