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openfl-spine

  • 可在OpenFL引擎中渲染Spine动画的使用库,可通过Sprite、Tilemap实现渲染处理。
  • The library can be used to render Spine animation in the OpenFL engine, and the rendering processing can be achieved through Sprite and Tilemap.
  • OpenFL:https://github.com/openfl/openfl

依赖库(Dependent library)

  • spine-hx:https://github.com/jeremyfa/spine-hx
    • 该库的Spine是使用了spine-hx,帮上不少的忙,openfl-spine仅实现了渲染器。The Spine of the library uses spine-hx, which helps a lot. Openfl-spine only implements the renderer.
  • openfl-glsl:https://github.com/rainyt/openfl-glsl
    • 该库主要实现了SpineRenderShader着色器的支持,正因为有它,我才能轻松编写扩展SpriteSpine的着色器。This library mainly implements the support of the SpineRenderShader shader. Because of it, I can easily write shaders that extend SpriteSpine.

渲染器(Renderer)

  • Tilemap渲染器:拥有极其快速渲染速度,但不支持网格。Tilemap renderer: Has extremely fast rendering speed, but does not support grids.
  • Sprite渲染器:拥有网格功能,单个精灵拥有批渲染功能,含有扩展功能,但是会消耗性能。Sprite renderer: has a grid function, a single sprite has a batch rendering function, contains extended functions, but consumes performance.

使用方法

通过命令行安装(Install via command line)

haxelib install openfl-spine

在project.xml中配置(Configure in project.xml)

<haxelib name="openfl-spine"/>

并且在任意类中进行初始化(And initialize in any class)

SpineManager.init(this.stage);

Sprite渲染器(已提高了性能,内置批量渲染处理)

使用Sprite渲染Spine对象,使用SpriteSpine渲染已支持以下特性:

  • 遮罩
  • 多纹理渲染
  • BlendMode支持
  • 透明度支持
  • 帧缓存(isCache)

Demo:

        var jsonData:String = Assets.getText("assets/spineboy-pro.json");
        var spineTextureAtals:SpineTextureAtalsLoader = new SpineTextureAtalsLoader("assets/spineboy-pro.atlas",["assets/spineboy-pro.png"]);
        spineTextureAtals.load(function(textureAtals:SpineTextureAtals):Void{
            //Sprite格式
            var openflSprite = textureAtals.buildSpriteSkeleton("spineboy-pro",jsonData);
            openflSprite.isCache = true; // 可提高一定的性能,如果有多个相同的Spine的情况下
            this.addChild(openflSprite);
            openflSprite.y = 500;
            openflSprite.x = 500;
            openflSprite.play("walk");
            openflSprite.scaleX = 0.6;
            openflSprite.scaleY = 0.6;
        },function(error:String):Void{
            trace("加载失败:",error);
        });

[注意] 从openfl-spine1.6.4版本开始,将启用isNative以及multipleTextureRender的支持,使用SpriteSpine渲染时,将自动支持多纹理渲染。

Tilemap渲染器

Tilemap需要一个tilemap进行装载,这意味着一样的图集的Spine只需要1drawcall。Tilemap requires a tilemap to load, which means that Spine of the same atlas only needs 1 drawcall.

Spine事件侦听器

通用的动画事件侦听方法:

var event:AnimationEvent = new AnimationEvent();
var spine:SkeletonAnimation;
spine.state.addListener(event);
event.addEventListener(SpineEvent.COMPLETE,(event:SpineEvent)->{
    
});

在SpriteSpine渲染对象下,可以直接侦听:

var spine:SkeletonAnimation;
spine.addEventListener(SpineEvent.COMPLETE,(event:SpineEvent)->{
    
});

在openfl-spine1.8.0版本开始,SpriteSpine可以被批处理(Starting from version 1.8.0 of openfl-spine, SpriteSpine can be batch processed):

var batch:SkeletonSpriteBatchs = new SkeletonSpriteBatchs();
for(i in 0...100){
    var spine:SkeletonAnimation = buildSpine();
    this.addChild(spine);
    spine.x = Math.random() * 300;
    spine.y = Math.random() * 300;
}

Spine工具

请注意,该库只单独支持3.7或者3.8版本;因Spine的数据结构不完全一致的问题会导致读取错误,请确认需要使用的Spine版本。 Please note that this library only supports version 3.7 or 3.8 separately; the incomplete data structure of Spine will cause reading errors. Please confirm the version of Spine you need to use.

使用3.8

库当前默认是使用3.7版本,默认指向spine-hx3.6.0版本。如果需要使用3.8+版本,需要在库之前定义版本号: The library currently uses version 3.7 by default and points to version spine-hx3.6.0 by default. If you need to use version 3.8+, you need to define the version number before the library:

<define name="spine3.8"/>
<haxelib name="openfl-spine"/>

使用4.0

在2021年10月13日,开始支持Spine4.0,如果需要使用4.0,需要在库之前定义版本号: On October 13, 2021, spine4.0 will be supported. If 4.0 needs to be used, the version number needs to be defined before the Library:

<define name="spine4"/>
<haxelib name="openfl-spine"/>

常见问题

  1. 当发生资源载入错误时,请检查Spine的版本是否一致,例如3.8的Spine文件不能在4.0中使用。When a resource loading error occurs, please check whether the version of spine is consistent. For example, the spine file of 3.8 cannot be used in 4.0.
    • 这种情况需要确保所有Spine的资源版本都为一致。In this case, you need to ensure that the resource versions of all spines are consistent.