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| Inherits from | CC_VIEWCONTROLLER |
| Declared in | CCDirector.h |
The director creates and handles the main Window and the Cocos2D view. It also presents Scenes and initiates scene updates and drawing.
director创建和处理主窗口和Cocos2D的view，同时显示Scenes和初始化scene的更新和绘制。
CCDirector inherits from CC_VIEWCONTROLLER which is equivalent to UIViewController on iOS, and NSObject on OS X and Android.
CCDiretor继承自CC_VIEWCONTROLLER，相当于iOs的UIViewController
Since the CCDirector is a singleton, the standard way to use its methods and properties is:
[[CCDirector sharedDirector] methodName];[CCDirector sharedDirector].aProperty;因为CCDirector是单例模式，所以表示的使用方法和属性为：
[[CCDirector sharedDirector] methodName];
[[CCDirector sharedDirector].aProperty;
The CCDirector is responsible for:
CCDirector负责：
初始化OPENGL ES/Metal内容
设置像素格式（默认为RGB565）
设置缓存深度（默认为0bit）
设置投影（在3D中默认是1）
The CCDirector also sets the default OpenGL context:
GL_TEXTURE_2D is enabledGL_VERTEX_ARRAY is enabledGL_COLOR_ARRAY is enabledGL_TEXTURE_COORD_ARRAY is enabled runningThread property contentScaleFactor property UIScaleFactor property designSize property view property projection property projectionMatrix property globalShaderUniforms property displayStats property– viewSize– viewSizeInPixels– reshapeProjection:– convertToGL:– convertToUI: runningScene property– presentScene:– presentScene:withTransition:– pushScene:– popScene– popToRootScene– popToRootSceneWithTransition:– pushScene:withTransition:– popSceneWithTransition: animationInterval property fixedUpdateInterval property nextDeltaTimeZero property paused property animating property totalFrames property secondsPerFrame property– end– pause– resume– stopAnimation– startAnimationUI scaling factor, default value is 1. Positions and content sizes are scale by this factor if the position type is set to scale.
@property (nonatomic, readwrite, assign) float UIScaleFactorCCDirector.hWhether or not the Director is active (animating).
@property (nonatomic, readonly, getter=isAnimating) BOOL animatingCCDirector.hThe animation interval is the time per frame. Typically specified as 1.0 / 60.0 where the latter number defines the framerate. The lowest value is 0.0166 (1/60).
@property (nonatomic, readwrite, assign) CCTime animationIntervalCCDirector.hContent scaling factor. Sets the ratio of points to pixels. Default value is initalized from the content scale of the GL view used by the director.
@property (nonatomic, assign) CGFloat contentScaleFactorCCDirector.hUser definable value that is used for default contentSizes of many node types (CCScene, CCNodeColor, etc). Defaults to the view size.
@property (nonatomic, assign) CGSize designSizeCCDirector.hWhether or not to display statistics in the view’s lower left corner. From top to bottom the numbers are: number of draw calls, time per frame (in seconds), framerate (average over most recent frames).
@property (nonatomic, readwrite, assign) BOOL displayStatsCCDirector.hThe fixed animation interval is used to run “fixed updates” at a fixed rate, independently of the framerate. Used primarly by the physics engine.
@property (nonatomic, readwrite, assign) CCTime fixedUpdateIntervalCCDirector.hThe current global shader values values.
@property (nonatomic, readonly) NSMutableDictionary *globalShaderUniformsCCDirector.hwhether or not the next delta time will be zero
@property (nonatomic, readwrite, assign, getter=isNextDeltaTimeZero) BOOL nextDeltaTimeZeroCCDirector.hWhether or not the Director is paused.
@property (nonatomic, readonly, getter=isPaused) BOOL pausedCCDirector.hSets an OpenGL projection
@property (nonatomic, readwrite) CCDirectorProjection projectionCCDirector.hProjection matrix used for rendering.
@property (nonatomic, readonly) GLKMatrix4 projectionMatrixCCDirector.hThe current running Scene. Director can only run one Scene at a time.
@property (nonatomic, readonly) CCScene *runningSceneCCDirector.hIf you want to run any Cocos2D task, run it in this thread. Any task that modifies Cocos2D’s OpenGL state must be executed on this thread due to OpenGL state changes only being allowed on the OpenGL thread.
@property (weak, readonly, nonatomic) NSThread *runningThreadThe Cocos2D thread, typically this will be the main thread.
CCDirector.hTime it took to render the most recent frames, in seconds per frame.
@property (nonatomic, readonly) CCTime secondsPerFrameCCDirector.hHow many frames were called since the director started
@property (nonatomic, readonly) NSUInteger totalFramesCCDirector.hConverts a UIKit coordinate to an OpenGL coordinate.
- (CGPoint)convertToGL:(CGPoint)pPoint to convert.
Converted point.
Useful to convert (multi) touch coordinates to the current layout (portrait or landscape).
CCDirector.hConverts an OpenGL coordinate to a UIKit coordinate.
- (CGPoint)convertToUI:(CGPoint)pPoint to convert.
Converted point.
Useful to convert node points to window points for calls such as glScissor.
CCDirector.hEnds the execution, releases the running scene. It doesn’t remove the view from the view hierarchy. You have to do it manually.
- (void)endCCDirector.hPauses the running scene. All scheduled timers and actions will be paused. When paused, the director refreshes the screen at a very low framerate (4 fps) to conserve battery power.
- (void)pauseCCDirector.hPops out a scene from the queue. This scene will replace the running one. The running scene will be deleted. If there are no more scenes in the stack the execution is terminated.
- (void)popSceneWarning: ONLY call it if there is a running scene.
CCDirector.hReplaces the running scene, with the last scene pushed to the stack, using a transition
- (void)popSceneWithTransition:(CCTransition *)transitionThe transition to use
CCDirector.hPops out all scenes from the queue until the root scene in the queue.
- (void)popToRootSceneThis scene will replace the running one. Internally it will call popToSceneStackLevel:1
CCDirector.hPops out all scenes from the queue until the root scene in the queue, using a transition
- (void)popToRootSceneWithTransition:(CCTransition *)transitionThe transition to play.
This scene will replace the running one. Internally it will call popToRootScene
CCDirector.hPresents a new scene.
- (void)presentScene:(CCScene *)sceneScene to start.
If no scene is currently running, the scene will be started.
If another scene is currently running, this scene will be stopped, and the new scene started.
CCDirector.hPresents a new scene, with a transition.
呈现一个新的scene，加入变化过程。
- (void)presentScene:(CCScene *)scene withTransition:(CCTransition *)transitionScene to start.
Transition to use. Can be nil.
If no scene is currently running, the new scene will be started without a transition.
If another scene is currently running, this scene will be stopped, and the new scene started, according to the provided transition.
CCDirector.hRemoves all the cocos2d resources that have been previously loaded and automatically cached, textures for instance.
- (void)purgeCachedDataCCDirector.hSuspends the execution of the running scene, pushing it on the stack of suspended scenes.
- (void)pushScene:(CCScene *)sceneNew scene to start.
The new scene will be executed, the previous scene remains in memory. Try to avoid big stacks of pushed scenes to reduce memory allocation.
Warning: ONLY call it if there is already a running scene.
CCDirector.hPushes the running scene onto the scene stack, and presents the incoming scene, using a transition
- (void)pushScene:(CCScene *)scene withTransition:(CCTransition *)transitionThe scene to present
The transition to use
CCDirector.hChanges the projection size.
- (void)reshapeProjection:(CGSize)newViewSizeNew projection size.
CCDirector.hResumes the paused scene and its scheduled timers and actions. The “delta time” will be set to 0 as if the game wasn’t paused.
- (void)resumeCCDirector.hBegins drawing the screen. Scheduled timers and actions will run.
- (void)startAnimationWarning: Don’t call this function to start the main loop. To run the main loop call presentScene:
CCDirector.hStops the animation. All scheduled updates and actions are effectively paused.
- (void)stopAnimationWhen not animating, the director doesn’t redraw the view at all. It is best to hide the view when not animating the director. If you need to keep showing the director’s view use pause instead.
CCDirector.hThe size of the view in points.
- (CGSize)viewSizeThe size of the view in points.
CCDirector.hCCDirector--Cocos2D-Swift v3.3
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原文地址：http://www.cnblogs.com/somebod-Y/p/4264154.html
