text: /*!
   * @pixi/display - v6.2.1
   * Compiled Tue, 21 Dec 2021 19:56:15 UTC
   *
   * @pixi/display is licensed under the MIT License.
   * http://www.opensource.org/licenses/mit-license
   */
  "use strict";Object.defineProperty(exports,"__esModule",{value:!0});var settings=require("@pixi/settings"),math=require("@pixi/math"),utils=require("@pixi/utils");settings.settings.SORTABLE_CHILDREN=!1;var Bounds=function(){function t(){this.minX=1/0,this.minY=1/0,this.maxX=-1/0,this.maxY=-1/0,this.rect=null,this.updateID=-1}return t.prototype.isEmpty=function(){return this.minX>this.maxX||this.minY>this.maxY},t.prototype.clear=function(){this.minX=1/0,this.minY=1/0,this.maxX=-1/0,this.maxY=-1/0},t.prototype.getRectangle=function(t){return this.minX>this.maxX||this.minY>this.maxY?math.Rectangle.EMPTY:((t=t||new math.Rectangle(0,0,1,1)).x=this.minX,t.y=this.minY,t.width=this.maxX-this.minX,t.height=this.maxY-this.minY,t)},t.prototype.addPoint=function(t){this.minX=Math.min(this.minX,t.x),this.maxX=Math.max(this.maxX,t.x),this.minY=Math.min(this.minY,t.y),this.maxY=Math.max(this.maxY,t.y)},t.prototype.addPointMatrix=function(t,i){var e=t.a,n=t.b,r=t.c,s=t.d,o=t.tx,a=t.ty,h=e*i.x+r*i.y+o,l=n*i.x+s*i.y+a;this.minX=Math.min(this.minX,h),this.maxX=Math.max(this.maxX,h),this.minY=Math.min(this.minY,l),this.maxY=Math.max(this.maxY,l)},t.prototype.addQuad=function(t){var i=this.minX,e=this.minY,n=this.maxX,r=this.maxY,s=t[0],o=t[1];i=s<i?s:i,e=o<e?o:e,n=s>n?s:n,r=o>r?o:r,i=(s=t[2])<i?s:i,e=(o=t[3])<e?o:e,n=s>n?s:n,r=o>r?o:r,i=(s=t[4])<i?s:i,e=(o=t[5])<e?o:e,n=s>n?s:n,r=o>r?o:r,i=(s=t[6])<i?s:i,e=(o=t[7])<e?o:e,n=s>n?s:n,r=o>r?o:r,this.minX=i,this.minY=e,this.maxX=n,this.maxY=r},t.prototype.addFrame=function(t,i,e,n,r){this.addFrameMatrix(t.worldTransform,i,e,n,r)},t.prototype.addFrameMatrix=function(t,i,e,n,r){var s=t.a,o=t.b,a=t.c,h=t.d,l=t.tx,d=t.ty,_=this.minX,p=this.minY,u=this.maxX,m=this.maxY,E=s*i+a*e+l,c=o*i+h*e+d;_=E<_?E:_,p=c<p?c:p,u=E>u?E:u,m=c>m?c:m,_=(E=s*n+a*e+l)<_?E:_,p=(c=o*n+h*e+d)<p?c:p,u=E>u?E:u,m=c>m?c:m,_=(E=s*i+a*r+l)<_?E:_,p=(c=o*i+h*r+d)<p?c:p,u=E>u?E:u,m=c>m?c:m,_=(E=s*n+a*r+l)<_?E:_,p=(c=o*n+h*r+d)<p?c:p,u=E>u?E:u,m=c>m?c:m,this.minX=_,this.minY=p,this.maxX=u,this.maxY=m},t.prototype.addVertexData=function(t,i,e){for(var n=this.minX,r=this.minY,s=this.maxX,o=this.maxY,a=i;a<e;a+=2){var h=t[a],l=t[a+1];n=h<n?h:n,r=l<r?l:r,s=h>s?h:s,o=l>o?l:o}this.minX=n,this.minY=r,this.maxX=s,this.maxY=o},t.prototype.addVertices=function(t,i,e,n){this.addVerticesMatrix(t.worldTransform,i,e,n)},t.prototype.addVerticesMatrix=function(t,i,e,n,r,s){void 0===r&&(r=0),void 0===s&&(s=r);for(var o=t.a,a=t.b,h=t.c,l=t.d,d=t.tx,_=t.ty,p=this.minX,u=this.minY,m=this.maxX,E=this.maxY,c=e;c<n;c+=2){var f=i[c],T=i[c+1],R=o*f+h*T+d,A=l*T+a*f+_;p=Math.min(p,R-r),m=Math.max(m,R+r),u=Math.min(u,A-s),E=Math.max(E,A+s)}this.minX=p,this.minY=u,this.maxX=m,this.maxY=E},t.prototype.addBounds=function(t){var i=this.minX,e=this.minY,n=this.maxX,r=this.maxY;this.minX=t.minX<i?t.minX:i,this.minY=t.minY<e?t.minY:e,this.maxX=t.maxX>n?t.maxX:n,this.maxY=t.maxY>r?t.maxY:r},t.prototype.addBoundsMask=function(t,i){var e=t.minX>i.minX?t.minX:i.minX,n=t.minY>i.minY?t.minY:i.minY,r=t.maxX<i.maxX?t.maxX:i.maxX,s=t.maxY<i.maxY?t.maxY:i.maxY;if(e<=r&&n<=s){var o=this.minX,a=this.minY,h=this.maxX,l=this.maxY;this.minX=e<o?e:o,this.minY=n<a?n:a,this.maxX=r>h?r:h,this.maxY=s>l?s:l}},t.prototype.addBoundsMatrix=function(t,i){this.addFrameMatrix(i,t.minX,t.minY,t.maxX,t.maxY)},t.prototype.addBoundsArea=function(t,i){var e=t.minX>i.x?t.minX:i.x,n=t.minY>i.y?t.minY:i.y,r=t.maxX<i.x+i.width?t.maxX:i.x+i.width,s=t.maxY<i.y+i.height?t.maxY:i.y+i.height;if(e<=r&&n<=s){var o=this.minX,a=this.minY,h=this.maxX,l=this.maxY;this.minX=e<o?e:o,this.minY=n<a?n:a,this.maxX=r>h?r:h,this.maxY=s>l?s:l}},t.prototype.pad=function(t,i){void 0===t&&(t=0),void 0===i&&(i=t),this.isEmpty()||(this.minX-=t,this.maxX+=t,this.minY-=i,this.maxY+=i)},t.prototype.addFramePad=function(t,i,e,n,r,s){t-=r,i-=s,e+=r,n+=s,this.minX=this.minX<t?this.minX:t,this.maxX=this.maxX>e?this.maxX:e,this.minY=this.minY<i?this.minY:i,this.maxY=this.maxY>n?this.maxY:n},t}(),extendStatics=function(t,i){return(extendStatics=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(t,i){t.__proto__=i}||function(t,i){for(var e in i)i.hasOwnProperty(e)&&(t[e]=i[e])})(t,i)};function __extends(t,i){function e(){this.constructor=t}extendStatics(t,i),t.prototype=null===i?Object.create(i):(e.prototype=i.prototype,new e)}var ENV,RENDERER_TYPE,BUFFER_BITS,BLEND_MODES,DRAW_MODES,FORMATS,TARGETS,TYPES,SAMPLER_TYPES,SCALE_MODES,WRAP_MODES,MIPMAP_MODES,ALPHA_MODES,CLEAR_MODES,GC_MODES,PRECISION,MASK_TYPES,MSAA_QUALITY,BUFFER_TYPE,DisplayObject=function(t){function i(){var i=t.call(this)||this;return i.tempDisplayObjectParent=null,i.transform=new math.Transform,i.alpha=1,i.visible=!0,i.renderable=!0,i.parent=null,i.worldAlpha=1,i._lastSortedIndex=0,i._zIndex=0,i.filterArea=null,i.filters=null,i._enabledFilters=null,i._bounds=new Bounds,i._localBounds=null,i._boundsID=0,i._boundsRect=null,i._localBoundsRect=null,i._mask=null,i._maskRefCount=0,i._destroyed=!1,i.isSprite=!1,i.isMask=!1,i}return __extends(i,t),i.mixin=function(t){for(var e=Object.keys(t),n=0;n<e.length;++n){var r=e[n];Object.defineProperty(i.prototype,r,Object.getOwnPropertyDescriptor(t,r))}},Object.defineProperty(i.prototype,"destroyed",{get:function(){return this._destroyed},enumerable:!1,configurable:!0}),i.prototype._recursivePostUpdateTransform=function(){this.parent?(this.parent._recursivePostUpdateTransform(),this.transform.updateTransform(this.parent.transform)):this.transform.updateTransform(this._tempDisplayObjectParent.transform)},i.prototype.updateTransform=function(){this._boundsID++,this.transform.updateTransform(this.parent.transform),this.worldAlpha=this.alpha*this.parent.worldAlpha},i.prototype.getBounds=function(t,i){return t||(this.parent?(this._recursivePostUpdateTransform(),this.updateTransform()):(this.parent=this._tempDisplayObjectParent,this.updateTransform(),this.parent=null)),this._bounds.updateID!==this._boundsID&&(this.calculateBounds(),this._bounds.updateID=this._boundsID),i||(this._boundsRect||(this._boundsRect=new math.Rectangle),i=this._boundsRect),this._bounds.getRectangle(i)},i.prototype.getLocalBounds=function(t){t||(this._localBoundsRect||(this._localBoundsRect=new math.Rectangle),t=this._localBoundsRect),this._localBounds||(this._localBounds=new Bounds);var i=this.transform,e=this.parent;this.parent=null,this.transform=this._tempDisplayObjectParent.transform;var n=this._bounds,r=this._boundsID;this._bounds=this._localBounds;var s=this.getBounds(!1,t);return this.parent=e,this.transform=i,this._bounds=n,this._bounds.updateID+=this._boundsID-r,s},i.prototype.toGlobal=function(t,i,e){return void 0===e&&(e=!1),e||(this._recursivePostUpdateTransform(),this.parent?this.displayObjectUpdateTransform():(this.parent=this._tempDisplayObjectParent,this.displayObjectUpdateTransform(),this.parent=null)),this.worldTransform.apply(t,i)},i.prototype.toLocal=function(t,i,e,n){return i&&(t=i.toGlobal(t,e,n)),n||(this._recursivePostUpdateTransform(),this.parent?this.displayObjectUpdateTransform():(this.parent=this._tempDisplayObjectParent,this.displayObjectUpdateTransform(),this.parent=null)),this.worldTransform.applyInverse(t,e)},i.prototype.setParent=function(t){if(!t||!t.addChild)throw new Error("setParent: Argument must be a Container");return t.addChild(this),t},i.prototype.setTransform=function(t,i,e,n,r,s,o,a,h){return void 0===t&&(t=0),void 0===i&&(i=0),void 0===e&&(e=1),void 0===n&&(n=1),void 0===r&&(r=0),void 0===s&&(s=0),void 0===o&&(o=0),void 0===a&&(a=0),void 0===h&&(h=0),this.position.x=t,this.position.y=i,this.scale.x=e||1,this.scale.y=n||1,this.rotation=r,this.skew.x=s,this.skew.y=o,this.pivot.x=a,this.pivot.y=h,this},i.prototype.destroy=function(t){this.parent&&this.parent.removeChild(this),this.emit("destroyed"),this.removeAllListeners(),this.transform=null,this.parent=null,this._bounds=null,this.mask=null,this.filters=null,this.filterArea=null,this.hitArea=null,this.interactive=!1,this.interactiveChildren=!1,this._destroyed=!0},Object.defineProperty(i.prototype,"_tempDisplayObjectParent",{get:function(){return null===this.tempDisplayObjectParent&&(this.tempDisplayObjectParent=new TemporaryDisplayObject),this.tempDisplayObjectParent},enumerable:!1,configurable:!0}),i.prototype.enableTempParent=function(){var t=this.parent;return this.parent=this._tempDisplayObjectParent,t},i.prototype.disableTempParent=function(t){this.parent=t},Object.defineProperty(i.prototype,"x",{get:function(){return this.position.x},set:function(t){this.transform.position.x=t},enumerable:!1,configurable:!0}),Object.defineProperty(i.prototype,"y",{get:function(){return this.position.y},set:function(t){this.transform.position.y=t},enumerable:!1,configurable:!0}),Object.defineProperty(i.prototype,"worldTransform",{get:function(){return this.transform.worldTransform},enumerable:!1,configurable:!0}),Object.defineProperty(i.prototype,"localTransform",{get:function(){return this.transform.localTransform},enumerable:!1,configurable:!0}),Object.defineProperty(i.prototype,"position",{get:function(){return this.transform.position},set:function(t){this.transform.position.copyFrom(t)},enumerable:!1,configurable:!0}),Object.defineProperty(i.prototype,"scale",{get:function(){return this.transform.scale},set:function(t){this.transform.scale.copyFrom(t)},enumerable:!1,configurable:!0}),Object.defineProperty(i.prototype,"pivot",{get:function(){return this.transform.pivot},set:function(t){this.transform.pivot.copyFrom(t)},enumerable:!1,configurable:!0}),Object.defineProperty(i.prototype,"skew",{get:function(){return this.transform.skew},set:function(t){this.transform.skew.copyFrom(t)},enumerable:!1,configurable:!0}),Object.defineProperty(i.prototype,"rotation",{get:function(){return this.transform.rotation},set:function(t){this.transform.rotation=t},enumerable:!1,configurable:!0}),Object.defineProperty(i.prototype,"angle",{get:function(){return this.transform.rotation*math.RAD_TO_DEG},set:function(t){this.transform.rotation=t*math.DEG_TO_RAD},enumerable:!1,configurable:!0}),Object.defineProperty(i.prototype,"zIndex",{get:function(){return this._zIndex},set:function(t){this._zIndex=t,this.parent&&(this.parent.sortDirty=!0)},enumerable:!1,configurable:!0}),Object.defineProperty(i.prototype,"worldVisible",{get:function(){var t=this;do{if(!t.visible)return!1;t=t.parent}while(t);return!0},enumerable:!1,configurable:!0}),Object.defineProperty(i.prototype,"mask",{get:function(){return this._mask},set:function(t){if(this._mask!==t){var i;if(this._mask)(i=this._mask.maskObject||this._mask)._maskRefCount--,0===i._maskRefCount&&(i.renderable=!0,i.isMask=!1);if(this._mask=t,this._mask)0===(i=this._mask.maskObject||this._mask)._maskRefCount&&(i.renderable=!1,i.isMask=!0),i._maskRefCount++}},enumerable:!1,configurable:!0}),i}(utils.EventEmitter),TemporaryDisplayObject=function(t){function i(){var i=null!==t&&t.apply(this,arguments)||this;return i.sortDirty=null,i}return __extends(i,t),i}(DisplayObject);function sortChildren(t,i){return t.zIndex===i.zIndex?t._lastSortedIndex-i._lastSortedIndex:t.zIndex-i.zIndex}DisplayObject.prototype.displayObjectUpdateTransform=DisplayObject.prototype.updateTransform,function(t){t[t.WEBGL_LEGACY=0]="WEBGL_LEGACY",t[t.WEBGL=1]="WEBGL",t[t.WEBGL2=2]="WEBGL2"}(ENV||(ENV={})),function(t){t[t.UNKNOWN=0]="UNKNOWN",t[t.WEBGL=1]="WEBGL",t[t.CANVAS=2]="CANVAS"}(RENDERER_TYPE||(RENDERER_TYPE={})),function(t){t[t.COLOR=16384]="COLOR",t[t.DEPTH=256]="DEPTH",t[t.STENCIL=1024]="STENCIL"}(BUFFER_BITS||(BUFFER_BITS={})),function(t){t[t.NORMAL=0]="NORMAL",t[t.ADD=1]="ADD",t[t.MULTIPLY=2]="MULTIPLY",t[t.SCREEN=3]="SCREEN",t[t.OVERLAY=4]="OVERLAY",t[t.DARKEN=5]="DARKEN",t[t.LIGHTEN=6]="LIGHTEN",t[t.COLOR_DODGE=7]="COLOR_DODGE",t[t.COLOR_BURN=8]="COLOR_BURN",t[t.HARD_LIGHT=9]="HARD_LIGHT",t[t.SOFT_LIGHT=10]="SOFT_LIGHT",t[t.DIFFERENCE=11]="DIFFERENCE",t[t.EXCLUSION=12]="EXCLUSION",t[t.HUE=13]="HUE",t[t.SATURATION=14]="SATURATION",t[t.COLOR=15]="COLOR",t[t.LUMINOSITY=16]="LUMINOSITY",t[t.NORMAL_NPM=17]="NORMAL_NPM",t[t.ADD_NPM=18]="ADD_NPM",t[t.SCREEN_NPM=19]="SCREEN_NPM",t[t.NONE=20]="NONE",t[t.SRC_OVER=0]="SRC_OVER",t[t.SRC_IN=21]="SRC_IN",t[t.SRC_OUT=22]="SRC_OUT",t[t.SRC_ATOP=23]="SRC_ATOP",t[t.DST_OVER=24]="DST_OVER",t[t.DST_IN=25]="DST_IN",t[t.DST_OUT=26]="DST_OUT",t[t.DST_ATOP=27]="DST_ATOP",t[t.ERASE=26]="ERASE",t[t.SUBTRACT=28]="SUBTRACT",t[t.XOR=29]="XOR"}(BLEND_MODES||(BLEND_MODES={})),function(t){t[t.POINTS=0]="POINTS",t[t.LINES=1]="LINES",t[t.LINE_LOOP=2]="LINE_LOOP",t[t.LINE_STRIP=3]="LINE_STRIP",t[t.TRIANGLES=4]="TRIANGLES",t[t.TRIANGLE_STRIP=5]="TRIANGLE_STRIP",t[t.TRIANGLE_FAN=6]="TRIANGLE_FAN"}(DRAW_MODES||(DRAW_MODES={})),function(t){t[t.RGBA=6408]="RGBA",t[t.RGB=6407]="RGB",t[t.RG=33319]="RG",t[t.RED=6403]="RED",t[t.RGBA_INTEGER=36249]="RGBA_INTEGER",t[t.RGB_INTEGER=36248]="RGB_INTEGER",t[t.RG_INTEGER=33320]="RG_INTEGER",t[t.RED_INTEGER=36244]="RED_INTEGER",t[t.ALPHA=6406]="ALPHA",t[t.LUMINANCE=6409]="LUMINANCE",t[t.LUMINANCE_ALPHA=6410]="LUMINANCE_ALPHA",t[t.DEPTH_COMPONENT=6402]="DEPTH_COMPONENT",t[t.DEPTH_STENCIL=34041]="DEPTH_STENCIL"}(FORMATS||(FORMATS={})),function(t){t[t.TEXTURE_2D=3553]="TEXTURE_2D",t[t.TEXTURE_CUBE_MAP=34067]="TEXTURE_CUBE_MAP",t[t.TEXTURE_2D_ARRAY=35866]="TEXTURE_2D_ARRAY",t[t.TEXTURE_CUBE_MAP_POSITIVE_X=34069]="TEXTURE_CUBE_MAP_POSITIVE_X",t[t.TEXTURE_CUBE_MAP_NEGATIVE_X=34070]="TEXTURE_CUBE_MAP_NEGATIVE_X",t[t.TEXTURE_CUBE_MAP_POSITIVE_Y=34071]="TEXTURE_CUBE_MAP_POSITIVE_Y",t[t.TEXTURE_CUBE_MAP_NEGATIVE_Y=34072]="TEXTURE_CUBE_MAP_NEGATIVE_Y",t[t.TEXTURE_CUBE_MAP_POSITIVE_Z=34073]="TEXTURE_CUBE_MAP_POSITIVE_Z",t[t.TEXTURE_CUBE_MAP_NEGATIVE_Z=34074]="TEXTURE_CUBE_MAP_NEGATIVE_Z"}(TARGETS||(TARGETS={})),function(t){t[t.UNSIGNED_BYTE=5121]="UNSIGNED_BYTE",t[t.UNSIGNED_SHORT=5123]="UNSIGNED_SHORT",t[t.UNSIGNED_SHORT_5_6_5=33635]="UNSIGNED_SHORT_5_6_5",t[t.UNSIGNED_SHORT_4_4_4_4=32819]="UNSIGNED_SHORT_4_4_4_4",t[t.UNSIGNED_SHORT_5_5_5_1=32820]="UNSIGNED_SHORT_5_5_5_1",t[t.UNSIGNED_INT=5125]="UNSIGNED_INT",t[t.UNSIGNED_INT_10F_11F_11F_REV=35899]="UNSIGNED_INT_10F_11F_11F_REV",t[t.UNSIGNED_INT_2_10_10_10_REV=33640]="UNSIGNED_INT_2_10_10_10_REV",t[t.UNSIGNED_INT_24_8=34042]="UNSIGNED_INT_24_8",t[t.UNSIGNED_INT_5_9_9_9_REV=35902]="UNSIGNED_INT_5_9_9_9_REV",t[t.BYTE=5120]="BYTE",t[t.SHORT=5122]="SHORT",t[t.INT=5124]="INT",t[t.FLOAT=5126]="FLOAT",t[t.FLOAT_32_UNSIGNED_INT_24_8_REV=36269]="FLOAT_32_UNSIGNED_INT_24_8_REV",t[t.HALF_FLOAT=36193]="HALF_FLOAT"}(TYPES||(TYPES={})),function(t){t[t.FLOAT=0]="FLOAT",t[t.INT=1]="INT",t[t.UINT=2]="UINT"}(SAMPLER_TYPES||(SAMPLER_TYPES={})),function(t){t[t.NEAREST=0]="NEAREST",t[t.LINEAR=1]="LINEAR"}(SCALE_MODES||(SCALE_MODES={})),function(t){t[t.CLAMP=33071]="CLAMP",t[t.REPEAT=10497]="REPEAT",t[t.MIRRORED_REPEAT=33648]="MIRRORED_REPEAT"}(WRAP_MODES||(WRAP_MODES={})),function(t){t[t.OFF=0]="OFF",t[t.POW2=1]="POW2",t[t.ON=2]="ON",t[t.ON_MANUAL=3]="ON_MANUAL"}(MIPMAP_MODES||(MIPMAP_MODES={})),function(t){t[t.NPM=0]="NPM",t[t.UNPACK=1]="UNPACK",t[t.PMA=2]="PMA",t[t.NO_PREMULTIPLIED_ALPHA=0]="NO_PREMULTIPLIED_ALPHA",t[t.PREMULTIPLY_ON_UPLOAD=1]="PREMULTIPLY_ON_UPLOAD",t[t.PREMULTIPLY_ALPHA=2]="PREMULTIPLY_ALPHA",t[t.PREMULTIPLIED_ALPHA=2]="PREMULTIPLIED_ALPHA"}(ALPHA_MODES||(ALPHA_MODES={})),function(t){t[t.NO=0]="NO",t[t.YES=1]="YES",t[t.AUTO=2]="AUTO",t[t.BLEND=0]="BLEND",t[t.CLEAR=1]="CLEAR",t[t.BLIT=2]="BLIT"}(CLEAR_MODES||(CLEAR_MODES={})),function(t){t[t.AUTO=0]="AUTO",t[t.MANUAL=1]="MANUAL"}(GC_MODES||(GC_MODES={})),function(t){t.LOW="lowp",t.MEDIUM="mediump",t.HIGH="highp"}(PRECISION||(PRECISION={})),function(t){t[t.NONE=0]="NONE",t[t.SCISSOR=1]="SCISSOR",t[t.STENCIL=2]="STENCIL",t[t.SPRITE=3]="SPRITE"}(MASK_TYPES||(MASK_TYPES={})),function(t){t[t.NONE=0]="NONE",t[t.LOW=2]="LOW",t[t.MEDIUM=4]="MEDIUM",t[t.HIGH=8]="HIGH"}(MSAA_QUALITY||(MSAA_QUALITY={})),function(t){t[t.ELEMENT_ARRAY_BUFFER=34963]="ELEMENT_ARRAY_BUFFER",t[t.ARRAY_BUFFER=34962]="ARRAY_BUFFER",t[t.UNIFORM_BUFFER=35345]="UNIFORM_BUFFER"}(BUFFER_TYPE||(BUFFER_TYPE={}));var Container=function(t){function i(){var i=t.call(this)||this;return i.children=[],i.sortableChildren=settings.settings.SORTABLE_CHILDREN,i.sortDirty=!1,i}return __extends(i,t),i.prototype.onChildrenChange=function(t){},i.prototype.addChild=function(){for(var t=arguments,i=[],e=0;e<arguments.length;e++)i[e]=t[e];if(i.length>1)for(var n=0;n<i.length;n++)this.addChild(i[n]);else{var r=i[0];r.parent&&r.parent.removeChild(r),r.parent=this,this.sortDirty=!0,r.transform._parentID=-1,this.children.push(r),this._boundsID++,this.onChildrenChange(this.children.length-1),this.emit("childAdded",r,this,this.children.length-1),r.emit("added",this)}return i[0]},i.prototype.addChildAt=function(t,i){if(i<0||i>this.children.length)throw new Error(t+"addChildAt: The index "+i+" supplied is out of bounds "+this.children.length);return t.parent&&t.parent.removeChild(t),t.parent=this,this.sortDirty=!0,t.transform._parentID=-1,this.children.splice(i,0,t),this._boundsID++,this.onChildrenChange(i),t.emit("added",this),this.emit("childAdded",t,this,i),t},i.prototype.swapChildren=function(t,i){if(t!==i){var e=this.getChildIndex(t),n=this.getChildIndex(i);this.children[e]=i,this.children[n]=t,this.onChildrenChange(e<n?e:n)}},i.prototype.getChildIndex=function(t){var i=this.children.indexOf(t);if(-1===i)throw new Error("The supplied DisplayObject must be a child of the caller");return i},i.prototype.setChildIndex=function(t,i){if(i<0||i>=this.children.length)throw new Error("The index "+i+" supplied is out of bounds "+this.children.length);var e=this.getChildIndex(t);utils.removeItems(this.children,e,1),this.children.splice(i,0,t),this.onChildrenChange(i)},i.prototype.getChildAt=function(t){if(t<0||t>=this.children.length)throw new Error("getChildAt: Index ("+t+") does not exist.");return this.children[t]},i.prototype.removeChild=function(){for(var t=arguments,i=[],e=0;e<arguments.length;e++)i[e]=t[e];if(i.length>1)for(var n=0;n<i.length;n++)this.removeChild(i[n]);else{var r=i[0],s=this.children.indexOf(r);if(-1===s)return null;r.parent=null,r.transform._parentID=-1,utils.removeItems(this.children,s,1),this._boundsID++,this.onChildrenChange(s),r.emit("removed",this),this.emit("childRemoved",r,this,s)}return i[0]},i.prototype.removeChildAt=function(t){var i=this.getChildAt(t);return i.parent=null,i.transform._parentID=-1,utils.removeItems(this.children,t,1),this._boundsID++,this.onChildrenChange(t),i.emit("removed",this),this.emit("childRemoved",i,this,t),i},i.prototype.removeChildren=function(t,i){void 0===t&&(t=0),void 0===i&&(i=this.children.length);var e,n=t,r=i-n;if(r>0&&r<=i){e=this.children.splice(n,r);for(var s=0;s<e.length;++s)e[s].parent=null,e[s].transform&&(e[s].transform._parentID=-1);this._boundsID++,this.onChildrenChange(t);for(s=0;s<e.length;++s)e[s].emit("removed",this),this.emit("childRemoved",e[s],this,s);return e}if(0===r&&0===this.children.length)return[];throw new RangeError("removeChildren: numeric values are outside the acceptable range.")},i.prototype.sortChildren=function(){for(var t=!1,i=0,e=this.children.length;i<e;++i){var n=this.children[i];n._lastSortedIndex=i,t||0===n.zIndex||(t=!0)}t&&this.children.length>1&&this.children.sort(sortChildren),this.sortDirty=!1},i.prototype.updateTransform=function(){this.sortableChildren&&this.sortDirty&&this.sortChildren(),this._boundsID++,this.transform.updateTransform(this.parent.transform),this.worldAlpha=this.alpha*this.parent.worldAlpha;for(var t=0,i=this.children.length;t<i;++t){var e=this.children[t];e.visible&&e.updateTransform()}},i.prototype.calculateBounds=function(){this._bounds.clear(),this._calculateBounds();for(var t=0;t<this.children.length;t++){var i=this.children[t];if(i.visible&&i.renderable)if(i.calculateBounds(),i._mask){var e=i._mask.maskObject||i._mask;e.calculateBounds(),this._bounds.addBoundsMask(i._bounds,e._bounds)}else i.filterArea?this._bounds.addBoundsArea(i._bounds,i.filterArea):this._bounds.addBounds(i._bounds)}this._bounds.updateID=this._boundsID},i.prototype.getLocalBounds=function(i,e){void 0===e&&(e=!1);var n=t.prototype.getLocalBounds.call(this,i);if(!e)for(var r=0,s=this.children.length;r<s;++r){var o=this.children[r];o.visible&&o.updateTransform()}return n},i.prototype._calculateBounds=function(){},i.prototype.render=function(t){if(this.visible&&!(this.worldAlpha<=0)&&this.renderable)if(this._mask||this.filters&&this.filters.length)this.renderAdvanced(t);else{this._render(t);for(var i=0,e=this.children.length;i<e;++i)this.children[i].render(t)}},i.prototype.renderAdvanced=function(t){var i=this.filters,e=this._mask;if(i){this._enabledFilters||(this._enabledFilters=[]),this._enabledFilters.length=0;for(var n=0;n<i.length;n++)i[n].enabled&&this._enabledFilters.push(i[n])}var r=i&&this._enabledFilters&&this._enabledFilters.length||e&&(!e.isMaskData||e.enabled&&(e.autoDetect||e.type!==MASK_TYPES.NONE));r&&t.batch.flush(),i&&this._enabledFilters&&this._enabledFilters.length&&t.filter.push(this,this._enabledFilters),e&&t.mask.push(this,this._mask),this._render(t);n=0;for(var s=this.children.length;n<s;n++)this.children[n].render(t);r&&t.batch.flush(),e&&t.mask.pop(this),i&&this._enabledFilters&&this._enabledFilters.length&&t.filter.pop()},i.prototype._render=function(t){},i.prototype.destroy=function(i){t.prototype.destroy.call(this),this.sortDirty=!1;var e="boolean"==typeof i?i:i&&i.children,n=this.removeChildren(0,this.children.length);if(e)for(var r=0;r<n.length;++r)n[r].destroy(i)},Object.defineProperty(i.prototype,"width",{get:function(){return this.scale.x*this.getLocalBounds().width},set:function(t){var i=this.getLocalBounds().width;this.scale.x=0!==i?t/i:1,this._width=t},enumerable:!1,configurable:!0}),Object.defineProperty(i.prototype,"height",{get:function(){return this.scale.y*this.getLocalBounds().height},set:function(t){var i=this.getLocalBounds().height;this.scale.y=0!==i?t/i:1,this._height=t},enumerable:!1,configurable:!0}),i}(DisplayObject);Container.prototype.containerUpdateTransform=Container.prototype.updateTransform,exports.Bounds=Bounds,exports.Container=Container,exports.DisplayObject=DisplayObject,exports.TemporaryDisplayObject=TemporaryDisplayObject;
  //# sourceMappingURL=display.min.js.map
  