CCTransition类--Cocos2D-Swift v3.3_移动开发_编程开发_程序员俱乐部

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CCTransition类--Cocos2D-Swift v3.3

 2015/1/31 16:38:49  SomeBod_Y  程序员俱乐部  我要评论(0)
  • 摘要:CCTransitionClassReference继承自:CCScene:CCNode:CCResponder:NSObject声明自:CCTranslation.h概述:Atransitionanimatesthepresentationofanewscenewhilemovingthecurrentsceneoutofview.AtransitionisoptionallyplayedwhencallingoneofthepresentScene:withTransition
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class="title title-header">CCTransition Class Reference

继承自: CCScene:CCNode:CCResponder:NSObject

声明自: CCTranslation.h

 

概述:

A transition animates the presentation of a new scene while moving the current scene out of view. A transition is optionally played when calling one of the presentScene:withTransition: methods of CCDirector.

当从view中移出当前scene时,transition激活一个新的scene显示。在调用CCDirector的prensentScene:withTransition方法时,transition是可选的参数.

Note: Since both scenes remain in memory and are being rendered, a transition may raise performance issues or memory warnings. If two complex scenes can not be reliably transitioned from/to it is best to not use transitions or to introduce an in-between scene that is presented only for a short period of time (ie a loading scene or merely a “fade to black” scene).

注意:在底层,所有的scenes都保留在内存中,transition可以会引发性能问题或内存警告。如果两个复杂的scenes不能有效的被transition,那么最好不要使用transitions或者引入一个仅仅会显示短时间的内置scene(比如载入scene或者渐渐变黑scene)。

 

Tasks

Creating a Fade Scene Transition

  • + transitionCrossFadeWithDuration:
  • + transitionFadeWithColor:duration:
  • + transitionFadeWithDuration:

Creating a Directional Scene Transition

  • + transitionMoveInWithDirection:duration:
  • + transitionPushWithDirection:duration:
  • + transitionRevealWithDirection:duration:

Transition Performance Settings

  •   outgoingDownScale property
  •   incomingDownScale property
  •   retinaTransition property
  •   transitionPixelFormat property
  •   transitionDepthStencilFormat property

Controlling Scene Animation during Transition

  •   outgoingSceneAnimated property
  •   incomingSceneAnimated property

Transition Running Time and Progress

  •   runTime property
  •   progress property

 

Properties

 

incomingDownScale

Will downscale incoming scene. Can be used as an effect, or to decrease render time on complex scenes. Default 1.0.

@property (nonatomic, assign) float incomingDownScale 可以缩减传入scene的规模。可以用作一个效果,或者在复杂scene中减少底层时间。

Declared In

CCTransition.h  

incomingSceneAnimated

Defines whether incoming scene will be animated during transition. Default NO.

定义传入的scene在transition的过程中是否会被激活,默认为NO。

@property (nonatomic, getter=isIncomingSceneAnimated) BOOL incomingSceneAnimated

Declared In

CCTransition.h  

outgoingDownScale

Will downscale outgoing scene. Can be used as an effect, or to decrease render time on complex scenes. Default 1.0.

可以缩减传出scene的规模。可以用作一个效果,或者在复杂scenes上减少底层处理所需的时间。

@property (nonatomic, assign) float outgoingDownScale

Declared In

CCTransition.h

outgoingSceneAnimated

Defines whether outgoing scene will be animated during transition. Default NO.

定义传出场景在transition过程中是否会被激活。默认NO

@property (nonatomic, getter=isOutgoingSceneAnimated) BOOL outgoingSceneAnimated

Declared In

CCTransition.h

progress

Normalized (percentage) transition progress in the range 0.0 to 1.0.

把transition的进度规范化在0.0到1.0的范围内(百分比形式)

@property (nonatomic, readonly) float progress

Declared In

CCTransition.h

retinaTransition

Transition will be performed in retina resolution. Will force outgoingDownScale and incomingDownScale to 1.0 on non retina devices, and 2.0 on retina devices if not set. Default YES.

@property (nonatomic, getter=isRetinaTransition) BOOL retinaTransition

Declared In

CCTransition.h

runTime

The actual transition runtime in seconds.

实际的transition运行时间。

@property (nonatomic, readonly) NSTimeInterval runTime

Declared In

CCTransition.h

transitionDepthStencilFormat

Depth/stencil format used for transition. Default GL_DEPTH24_STENCIL8_OES.

@property (nonatomic, assign) GLuint transitionDepthStencilFormat

Declared In

CCTransition.h

transitionPixelFormat

Pixel format used for transition. Default CCTexturePixelFormat_RGBA8888.

@property (nonatomic, assign) CCTexturePixelFormat transitionPixelFormat

See Also

  • CCTexturePixelFormat

Declared In

CCTransition.h  

 

Class Methods

transitionCrossFadeWithDuration:

Creates a cross fade transition directly from outgoing to incoming scene.

创建一个交叉渐变transition。(旧场景 alpha 值从 1 变为 0,新场景的 alpha 值从 0 变为 1,两个 cross 在一起)

+ (CCTransition *)transitionCrossFadeWithDuration:(NSTimeInterval)duration

Parameters

duration

The duration of the transition in seconds.

Return Value

The CCTransition Object.

Declared In

CCTransition.h

transitionFadeWithColor:duration:

Creates a fade transition from outgoing to incoming scene, through color.

创建一个渐变transition,通过一个color场景。(先从旧场景 cross fade 到这个颜色场景,再从颜色场景 cross fade 到新场景)

+ (CCTransition *)transitionFadeWithColor:(CCColor *)color duration:(NSTimeInterval)duration

Parameters

color

The color to fade through

duration

The duration of the transition in seconds.

Return Value

The CCTransition Object.

See Also

  • CCColor

Declared In

CCTransition.h

transitionFadeWithDuration:

Creates a fade transition from outgoing to incoming scene, through black.

穿件一个渐变transition,通过一个black场景.

+ (CCTransition *)transitionFadeWithDuration:(NSTimeInterval)duration

Parameters

duration

The duration of the transition in seconds.

Return Value

The CCTransition Object.

Declared In

CCTransition.h

transitionMoveInWithDirection:duration:

Creates a transition where the incoming scene is moved in over the outgoing scene.

创建一个transtion(效果是新scene像盖子一样挪过来盖在旧scene上面)

注:CCTransitionDirection:

typedef NS_ENUM(NSInteger, CCTransitionDirection ) {
   CCTransitionDirectionUp,
   CCTransitionDirectionDown,
   CCTransitionDirectionRight,
   CCTransitionDirectionLeft,
   CCTransitionDirectionInvalid = -1,
};

+ (CCTransition *)transitionMoveInWithDirection:(CCTransitionDirection)direction duration:(NSTimeInterval)duration

Parameters

direction

Direction to move the incoming scene.

duration

The duration of the transition in seconds.

Return Value

The CCTransition Object.

See Also

  • CCTransitionDirection

Declared In

CCTransition.h

transitionPushWithDirection:duration:

Creates a transition where the incoming scene pushed the outgoing scene out.

效果是新scene把旧scene推走,平行移动。

+ (CCTransition *)transitionPushWithDirection:(CCTransitionDirection)direction duration:(NSTimeInterval)duration

Parameters

direction

Direction to move incoming and outgoing scenes.

duration

The duration of the transition in seconds.

Return Value

The CCTransition Object.

See Also

  • CCTransitionDirection

Declared In

CCTransition.h

transitionRevealWithDirection:duration:

Creates a transition where the incoming scene is revealed by sliding the outgoing scene out.

旧场景盖在新场景下面,然后像揭盖子一样把旧的揭掉,新的就露出来了。与 move in 相反,一个是新场景盖过来,一个是老场景揭出去。

+ (CCTransition *)transitionRevealWithDirection:(CCTransitionDirection)direction duration:(NSTimeInterval)duration

Parameters

direction

Direction to slide outcoing scene.

duration

The duration of the transition in seconds.

Return Value

The CCTransition Object.

See Also

  • CCTransitionDirection

Declared In

CCTransition.h
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