UNPKG

@needle-tools/engine

Version:

Needle Engine is a web-based runtime for 3D apps. It runs on your machine for development with great integrations into editors like Unity or Blender - and can be deployed onto any device! It is flexible, extensible and networking and XR are built-in

needle-tools/needle-engine-support

102 lines (92 loc) • 115 kB

JavaScript

var Tt=Object.defineProperty,Ft=(s,e,t)=>e in s?Tt(s,e,{enumerable:!0,configurable:!0,writable:!0,value:t}):s[e]=t,M=(s,e,t)=>(Ft(s,typeof e!="symbol"?e+"":e,t),t);import{BackSide as Ot,BufferAttribute as zt,BufferGeometry as At,Color as Wt,DoubleSide as Dt,EventDispatcher as Et,FileLoader as Lt,FrontSide as Ht,LinearFilter as Gt,Mesh as $t,MeshBasicMaterial as jt,Object3D as Xt,Plane as Yt,PlaneGeometry as Nt,ShaderMaterial as Kt,Texture as qt,TextureLoader as Jt,Vector2 as Qt,Vector3 as Zt,Vector4 as es}from"./three.min.js";var k={};k.d=(s,e)=>{for(var t in e)k.o(e,t)&&!k.o(s,t)&&Object.defineProperty(s,t,{enumerable:!0,get:e[t]})},k.o=(s,e)=>Object.prototype.hasOwnProperty.call(s,e),k.r=s=>{typeof Symbol<"u"&&Symbol.toStringTag&&Object.defineProperty(s,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(s,"__esModule",{value:!0})};var m={};k.d(m,{ti:()=>p,nS:()=>yt,eB:()=>z,Yp:()=>Z,VB:()=>C,BC:()=>I,zN:()=>R,cV:()=>P,hW:()=>W,k2:()=>Fe,K6:()=>w,M7:()=>ee,ls:()=>F,Hi:()=>Qe,EY:()=>A,MR:()=>Ge,zf:()=>Te,Ay:()=>gn,yo:()=>xt});var Z={};k.r(Z),k.d(Z,{get:()=>Ce,set:()=>ts});var ee={};k.r(ee),k.d(ee,{alphaTestTransformer:()=>G,asPreprocessorValueTransformer:()=>$e,toPreprocessorTriggerTransformer:()=>pe,toUserDataTransformer:()=>di,uniformOrUserDataTransformer:()=>x});const te={fontFamily:null,fontSize:.05,fontKerning:"auto",fontStyle:"normal",fontWeight:"normal",offset:.005,lineHeight:1.2,lineBreak:`- ,.:?! `,whiteSpace:"pre-line",flexDirection:"column",justifyContent:"start",alignItems:"start",backgroundImage:null,textAlign:"left",boxSizing:"content-box",position:"static",color:16777215,fontColor:16777215,fontOpacity:1,opacity:1,fontPXRange:4,fontSupersampling:!0,fontSmooth:"antialiased",borderRadius:0,borderWidth:0,borderColor:"black",borderOpacity:1,backgroundSize:"cover",backgroundColor:0,backgroundOpacity:0,overflow:"visible",letterSpacing:0,invertAlpha:!1,segments:1},ts=function(s){for(const e in s)te[e]=s[e]},Ce=function(s){return Object.prototype.hasOwnProperty.call(te,s)||console.warn(`ThreeMeshUI::DefaultValues is trying to retrieve non-existing property '${s}'`),te[s]};class p{constructor(e,t=null,i=!0){this._id=e,this._value=t,this._needsUpdate=!0,this._needsProcess=!1,this._needsRender=!1,this._isPrimitive=i}get id(){return this._id}get value(){return this._value}set value(e){this.isValid(e)&&this._value!==e&&(this._value=e,this._needsUpdate=!0)}update(e,t){this.output(t)}output(e){}_outputValue(e){e[this._id]=this._value}process(e){}render(e){}getInheritedInput(e){if(this._value!=="inherit")return this._value;const t=e._parent._value;return t&&t[`_${this._id}`]?t[`_${this._id}`].getInheritedInput(t):this.getDefaultValue()}getDefaultValue(){return Ce(this._id)}isValid(e){return!0}emptyStrategyLogic(){throw new Error(`ThreeMeshUI::${this.constructor.name} has empty strategy. Update has not been processed.`)}requestUpdate(){this._needsUpdate=!0}requestProcess(){this._needsProcess=!1}requestRender(){this._needsRender=!1}}class ss extends p{constructor(){super("renderOrder","auto",!0),this.output=this._outputValue,this._actualValue=0}set value(e){this.isValid(e)&&(this._value=e,this._needsUpdate=!0)}update(e,t){if(this._value!=="auto")this._actualValue=this._value;else{const i=e._parent._value;if(i!==null){const r=i._renderOrder._actualValue,n=1+i._children._uis.indexOf(e);this._actualValue=r+n}}for(const i of e._children._uis)i._renderOrder._value==="auto"&&(i._renderOrder._needsUpdate=!0);this._outputValue(t)}_outputValue(e){e[this._id]=this._actualValue}get value(){return this._value}}class R extends p{constructor(e,t=null,i=!0){super(e,t,i),this.output=this._outputValue,this._notInheritedValue=null}update(e,t){this._notInheritedValue=this._value,this._notInheritedValue==="inherit"&&(this._notInheritedValue=this.getInheritedInput(e)),this.propagate(e),this._outputValue(t)}propagate(e){for(const t of e._children._uis){const i=t[`_${this._id}`];i!==void 0&&i._value==="inherit"&&(t[`_${this._id}`]._needsUpdate=!0)}}_outputValue(e){e[this._id]=this._notInheritedValue}set value(e){this.isValid(e)&&this._value!==e&&(this._value=e,this._needsUpdate=!0)}get value(){return this._value==="inherit"?this._notInheritedValue:this._value}}class is extends R{constructor(){super("offset","inherit",!1)}update(e,t){super.update(e,t),e._parent._value!==null&&(e.position.z=this._notInheritedValue)}}class rs extends R{constructor(){super("fontSmooth","inherit",!0),this._needsUpdate=!1,this.isValid=os,this.output=this._outputValue}}const ns=["inherit","none","antialiased"];function os(s){return ns.indexOf(s)===-1?(console.warn(`.fontSmoothing value '${s}' is not valid. Aborted`),!1):!0}var as=s=>{var e={};return k.d(e,s),e};const a=as({BackSide:()=>Ot,BufferAttribute:()=>zt,BufferGeometry:()=>At,Color:()=>Wt,DoubleSide:()=>Dt,EventDispatcher:()=>Et,FileLoader:()=>Lt,FrontSide:()=>Ht,LinearFilter:()=>Gt,Mesh:()=>$t,MeshBasicMaterial:()=>jt,Object3D:()=>Xt,Plane:()=>Yt,PlaneGeometry:()=>Nt,ShaderMaterial:()=>Kt,Texture:()=>qt,TextureLoader:()=>Jt,Vector2:()=>Qt,Vector3:()=>Zt,Vector4:()=>es});class g extends p{constructor(e,t,i=!0){super(e,"unset",i),this._input="inherit",this._allowsInherit=!0,this._inheritedInput=void 0,this._inline=void 0}update(e,t){this._allowsInherit||(this._inheritedInput=this.getInheritedInput(e)),this.computeOutputValue(e);for(const i of e._children._uis){const r=i[`_${this._id}`];(r._input?r._input:r._value)==="inherit"&&(i[`_${this._id}`]._needsUpdate=!0)}this.output(t)}computeOutputValue(e){this._value=this._input}_computeFromInherited(e){this._value=this._inheritedInput}set value(e){console.warn(".(style) sub-property cannot be directly set. It must comes from inline or computed setter.")}set inline(e){this.isValidValue(e)&&e!==this._inline&&(this._input=this._inline=e,this._needsUpdate=!0)}get inline(){return this._inline}isValidValue(e){return!0}getInheritedInput(e){if(this._input!=="inherit")return this._input;const t=e._parent._value;return t?t[`_${this._id}`].getInheritedInput(t):this.getDefaultValue()}}class D extends g{constructor(e,t){super(e,t,!1),this._input=new a.Vector4(0,0,0,0),this._inline=null,this._value=new a.Vector4(0,0,0,0)}get value(){return this._value}computeOutputValue(e){this._vector4ValueSetter(this._value,this._input)}set inline(e){this._vector4ValueSetter(this._input,e),!this._input.equals(this._value)&&(this._needsUpdate=!0)}set top(e){this._input.x!==e&&(this._input.x=e,this._needsUpdate=!0)}get top(){return this._input.x}set right(e){this._input.y!==e&&(this._input.y=e,this._needsUpdate=!0)}get right(){return this._input.y}set bottom(e){this._input.z!==e&&(this._input.z=e,this._needsUpdate=!0)}get bottom(){return this._input.z}set left(e){this._input.w!==e&&(this._input.w=e,this._needsUpdate=!0)}get left(){return this._input.w}dispose(){this._computed=null,this._inline=null,this._input=null,this._output=null}_vector4ValueSetter(e,t){if(t instanceof a.Vector4){e.copy(t);return}if((typeof t=="string"||t instanceof String)&&(t=t.split(" ")),Array.isArray(t))switch(t=t.map(i=>parseFloat(i)),t.length){case 1:e.setScalar(t[0]);return;case 2:e.x=e.z=t[0],e.y=e.w=t[1];return;case 3:e.x=t[0],e.y=t[1],e.z=t[2];return;case 4:e.x=t[0],e.y=t[1],e.z=t[2],e.w=t[3];return;default:console.error("StyleVector4Property::set() Four Dimension property had more than four values");return}isNaN(t)||e.setScalar(t)}}class ls extends D{constructor(){super("padding",new a.Vector4(0,0,0,0))}computeOutputValue(e){super.computeOutputValue(e),e._bounds._needsUpdate=!0,e._bounds._needsRender=!0,e._layouter._needsProcess=!0,e._renderer._needsRender=!0,e._parent._value&&(e._parent._value._layouter._needsProcess=!0)}}class hs extends D{constructor(){super("margin",new a.Vector4(0,0,0,0))}computeOutputValue(e){super.computeOutputValue(e),e._renderer._needsRender=!0,e._parent._value&&(e._parent._value._flexDirection._needsProcess=!0)}}const Me=function(s,e,t){s[e]=t},us=function(s,e,t){t!==null&&(s[e]=t)};class E{constructor(e){this._definition=e}set definition(e){this._definition=e}mediate(e,t,i,r=null){for(const n in this._definition){const o=this._definition[n];if(i[n]!==void 0){const h=o.t?o.t:Me;h(t,o.m,i[n]),r&&h(r,o.m,i[n])}}}static mediate(e,t,i,r,n=null){if(t)for(const o in r){const h=r[o];if(i[o]!==void 0){const c=h.t?h.t:Me;c(t,h.m,i[o]),n&&c(n,h.m,i[o])}}}}class cs extends p{constructor(){super("parent",null,!1)}update(e,t){e.parent&&e.parent.isUI?this._value=e.parent:this._value=null}set value(e){console.warn("ParentProperty is readonly")}get value(){return this._value}find(e){return this._value?e(this._value)?this._value:this._value._parent.find(e):null}dispose(){this._value=null}}const se=function(s,e,t=6){return s.toFixed(t)===e.toFixed(t)};class Be extends p{constructor(e,t){super(e,t,!0),this.output=this._outputValue}set value(e){this.isValid(e)&&(se(this._value,e)||(this._value=e,this._needsUpdate=!0))}get value(){return this._value}}class Pe extends R{constructor(e){super(e,"inherit",!0),this.isValid=_s}}const ds=[a.FrontSide,a.BackSide,a.DoubleSide];function _s(s){return ds.indexOf(s)===-1?(console.warn(`SideProperty value '${s}' is not valid. Abort`),!1):!0}class Ie{constructor(){this._offsetX=0,this._offsetY=0,this._lineBreak=null,this._kerning=0,this._fontFactor=1,this._fontSize=0,this._cumulativeWidth=0,this._paddingLeft=0,this._paddingRight=0,this._marginLeft=0,this._marginRight=0}resetOffsets(){this._offsetX=this._offsetY=0,this._cumulativeWidth=0}get xadvance(){return 0}get xoffset(){return 0}get yoffset(){return 0}get width(){return 0}get height(){return 0}set lineBreak(e){this._lineBreak=e}get lineBreak(){return this._lineBreak}get anchor(){return 0}get kerning(){return this._kerning*this._fontFactor}set kerning(e){this._kerning=e}get fontSize(){return this._fontSize}set fontSize(e){this._fontSize=e}get lineHeight(){return 0}get offsetX(){return this._offsetX}set offsetX(e){this._offsetX=e}get offsetY(){return this._offsetY}set offsetY(e){this._offsetY=e}get cumulativeWidth(){return this._cumulativeWidth}set cumulativeWidth(e){this._cumulativeWidth=e}get marginLeft(){return this._marginLeft}set marginLeft(e){this._marginLeft=e}get marginRight(){return this._marginRight}set marginRight(e){this._marginRight=e}get paddingLeft(){return this._paddingLeft}set paddingLeft(e){this._paddingLeft=e}get paddingRight(){return this._paddingRight}set paddingRight(e){this._paddingRight=e}get lineBase(){return 0}set fontFactor(e){this._fontFactor=e}get fontFactor(){return this._fontFactor}}class Te{constructor(e){this._char="",this._width=1,this._heigth=1,this._xadvance=1,this._xoffset=0,this._yoffset=0,this._font=e}get font(){return this._font}get char(){return this._char}get width(){return this._width}get height(){return this._heigth}get xadvance(){return this._xadvance}get xoffset(){return this._xoffset}get yoffset(){return this._yoffset}set yoffset(e){this._yoffset=e}clone(e){throw new Error("Abstract... Need to be implemented")}asInlineGlyph(){throw new Error("Abstract... Need to be implemented")}}class Fe extends Ie{constructor(e){super(),this._typographic=e}get typographic(){return this._typographic}get xadvance(){return this._typographic.xadvance*this._fontFactor}get xoffset(){return this._typographic.xoffset*this._fontFactor}get yoffset(){return this._typographic.yoffset*this._fontFactor}get width(){return this._typographic.width*this._fontFactor}get height(){return this._typographic.height*this._fontFactor}get char(){return this._typographic.char}get anchor(){return this.yoffset}get lineHeight(){return this._typographic.font.lineHeight*this._fontFactor}get lineBase(){return this._typographic.font.lineBase*this._fontFactor}}const ps={light:"100",normal:"400",bold:"700",bolder:"900"};function ie(s){return isNaN(s)?ps[s]||s:s.toString()}class fs extends a.EventDispatcher{constructor(e,t){super(),this._isReady=!1,this._weight=ie(e),this._style=t,this._size=42,this._lineHeight=42,this._lineBase=42,this._font=null}get typographic(){return this._font}get isReady(){return this._isReady}get weight(){return this._weight}get style(){return this._style}get texture(){return this._texture}set fontMaterial(e){throw Error(`FontVariant('${this.id}')::fontMaterial - is abstract.`)}get fontMaterial(){throw Error(`FontVariant('${this.id}')::fontMaterial - is abstract.`)}get id(){return`${this._name}(w:${this.weight},s:${this.style})`}getTypographicGlyph(e){let t=this._chars[e];if(t)return t;if(e.match(/\s/))return this._chars[" "];const i=this._getFallbackCharacter(e);if(i&&(t=this._chars[i],t))return t;throw Error(`FontVariant('${this.id}')::getTypographicGlyph() - character('${e}') and/or fallback character were not found in provided msdf charset.`)}_getFallbackCharacter(e){throw new Error(`FontVariant(${typeof this})::_getFallbackCharacter() is abstract and should therefore be overridden.`)}getGeometricGlyph(e,t){throw new Error(`FontVariant(${typeof this})::getGeometryCharacter() is abstract and should therefore be overridden.`)}getKerningAmount(e){return this._kernings[e]?this._kernings[e]:0}adjustTypographicGlyphs(e){for(const t in e){const i=this.getTypographicGlyph(t),r=e[t];for(const n in r)i["_"+n]=e[t][n]}}_checkReadiness(){this._readyCondition()&&ms(this)}_alterElementProperties(e){throw new Error(`FontVariant(${typeof this})::_alterElementProperties() is abstract and should therefore be overridden.`)}_readyCondition(){throw new Error(`FontVariant(${typeof this})::_readyCondition() is abstract and should therefore be overridden.`)}}const gs={type:"ready"};function ms(s){s._isReady=!0,s.dispatchEvent(gs)}const I=fs;class vs extends p{constructor(e=null){super("font",e,!1),this._needsUpdate=!1,this._fontVariant=null,this._handleFontReadyClosure=null,this.isValid=bs}output(e){e[this._id]=this._fontVariant}update(e,t){if(this._fontVariant&&!this._fontVariant.isReady&&this._fontVariant.removeEventListener("ready",this._handleFontReadyClosure),this._value&&this._value instanceof I)this._fontVariant=this._value;else{const i=e._fontFamily._value;i&&(this._fontVariant=i.getVariant(e._fontWeight._value,e._fontStyle._value))}this._fontVariant&&(this._fontVariant._alterElementProperties(e),this._handleFontReadyClosure=ys(e,this),this._fontVariant.isReady?this._handleFontReadyClosure():this._fontVariant.addEventListener("ready",this._handleFontReadyClosure),(!e._fontMaterial._defaultMaterial||!(e._fontMaterial._defaultMaterial instanceof this._fontVariant.fontMaterial))&&(e._fontMaterial._defaultMaterial=new this._fontVariant.fontMaterial,e._fontMaterial._needsUpdate=!0))}set value(e){this.isValid(e)&&this._value!==e&&(this._value=e,this._needsUpdate=!0)}get value(){return this._value}get fontVariant(){return this._fontVariant}dispose(){this._handleFontReadyClosure&&(this._fontVariant.removeEventListener("ready",this._handleFontReadyClosure),this._handleFontReadyClosure=null),this._value=null,this._fontVariant=null}}function bs(s){return s instanceof I?!0:(console.warn(`.font value '${s}' is not valid. It requires a FontVariant instance. Aborted`),!1)}function ys(s,e){return function(){e._needsUpdate=!0,s._glyphs._needsProcess=!0,e._fontVariant.removeEventListener("ready",e._handleFontReadyClosure),e._handleFontReadyClosure=null}}class xs extends g{constructor(e){super("display",e),this._value="flex",this._allowsInherit=!1,this._needsUpdate=!1,this.isValidValue=Ss}computeOutputValue(e){e._visible._value=this._output!=="none"}}const ws=["none","flex"];function Ss(s){return ws.indexOf(s)===-1?(console.warn(`(.style) display value '${s}' is not valid. Aborted`),!1):!0}class ks extends g{constructor(e){super("boxSizing",e),this._allowsInherit=!1,this.isValidValue=Us}computeOutputValue(e){this._value=this._inheritedInput,e._bounds._needsUpdate=!0}}const Vs=["border-box","content-box"];function Us(s){return Vs.indexOf(s)===-1?(console.warn(`(.style) boxSizing value '${s}' is not valid. Aborted`),!1):!0}class T extends g{constructor(e,t){super(e,t,!1),this._value=new a.Color,this.output=this._outputValue}computeOutputValue(e){this._input!=="inherit"&&this._value.set(this._input)}set inline(e){this._input=this._inline=e,this._needsUpdate=!0}}class re extends g{constructor(e,t){super(e,t,!0),this.isValidValue=Rs,this._allowsInherit=!1,this._input=t,this._value=t,this.output=this._outputValue,this.computeOutputValue=this._computeFromInherited}_outputValue(e){e[this._id]=this._inheritedInput}}function Rs(s){return s<0&&s>1?(console.warn(`(.style) styleFactorProperty('${this.id}') value '${s}' is not valid)`),!1):!0}class Cs extends g{constructor(e){super("backgroundImage",e,!0),this._input=null,this._allowsInherit=!1,this._textureSize=new a.Vector2(1,1),this.isValidValue=Ms}get value(){return this._value}output(e){e[this._id]=this._value,e.tSize=this._textureSize}computeOutputValue(e){if(this._value=this._inheritedInput,this._value instanceof a.Texture&&!this._value.image){console.warn("ThreeMeshUI - .backgroundImage :: Please provide preloaded texture in order to have accurate sizing.");return}this._needsProcess=!0}process(e){this._value?this._textureSize.set(this._value.image.width,this._value.image.height):this._textureSize.set(1,1)}}function Ms(s){return!0}class Bs extends g{constructor(e){super("backgroundSize",e,!0),this.isValidValue=Is,this.output=this._outputValue}}const Ps=["cover","contain","stretch"];function Is(s){return Ps.indexOf(s)===-1?(console.warn(`(.style) backgroundSize value '${s}' is not valid. Aborted`),!1):!0}class Ts extends g{constructor(e){super("overflow",e,!0),this.isValidValue=Os,this._clippingPlanes=null,this._renderStrategy=this._emptyRender}update(e,t){this._inline!==void 0&&this._inline!=="unset"?this._input=this._inline:this._computed!==void 0&&(this._input=this._computed),this._allowsInherit||(this._inheritedInput=this.getInheritedInput(e)),this.computeOutputValue(e);for(const i of e._children._uis)i._overflow._needsUpdate=!0;this.output(t)}output(e){e.clippingPlanes=this._clippingPlanes}computeOutputValue(e){super.computeOutputValue(e),this._value==="hidden"?this._renderStrategy=this._propagateRender:(this._renderStrategy=this._emptyRender,this._clippingPlanes=null);const t=e._parent._value;if(t!==null){const i=t._overflow;if((i._value==="hidden"||i._clippingPlanes!==null)&&!this._clippingPlanes){this._clippingPlanes=[new a.Plane(new a.Vector3(0,-1,0),1),new a.Plane(new a.Vector3(-1,0,0),1),new a.Plane(new a.Vector3(0,1,0),1),new a.Plane(new a.Vector3(1,0,0),1)];for(let r=0;r<this._clippingPlanes.length;r++)this._clippingPlanes[r].parent=t;i._clippingPlanes!==null&&this._clippingPlanes.push(...i._clippingPlanes),this._renderStrategy=this._hiddenRender,this._needsRender=!0}else(i._value==="visible"||i._clippingPlanes===null)&&this._clippingPlanes!==null&&(this._clippingPlanes=null,this._renderStrategy=this._emptyRender,this._needsRender=!0)}}render(e){this._renderStrategy(e)}_emptyRender(e){}_hiddenRender(e){const t=e._parent._value,i=t._bounds._offsetHeight,r=t._bounds._offsetWidth,n=t._padding._value,o=t._borderWidth._value;for(let h=0;h<4&&h<this._clippingPlanes.length;h++){const c=this._clippingPlanes[h];switch(h%4){case 0:c.constant=i/2-(n.x+o.x);break;case 1:c.constant=r/2-(n.y+o.y);break;case 2:c.constant=i/2-(n.z+o.z);break;case 3:c.constant=r/2-(n.w+o.w);break}c.applyMatrix4(t.matrixWorld)}for(let h=0;h<e._children._uis.length;h++){const c=e._children._uis[h];c._overflow._needsRender=!0}}_propagateRender(e){for(let t=0;t<e._children._uis.length;t++){const i=e._children._uis[t];i._overflow._needsRender=!0}}}const Fs=["visible","hidden"];function Os(s){return Fs.indexOf(s)===-1?(console.warn(`(.style) overflow value '${s}' is not valid. Aborted`),!1):!0}const B="rem",Oe="em",L="%",zs=[B,Oe,L],ze=function(s){return zs.indexOf(s)===-1?B:s};class As extends D{constructor(e){super("borderRadius",e),this._valueUV=this._value.clone(),this._input=new a.Vector4(0,0,0,0),this._mediation=!0,this._cornerTL=new a.Vector2(0,1),this._cornerTR=new a.Vector2(1,1),this._cornerBR=new a.Vector2(1,0),this._cornerBL=new a.Vector2(0,0);const t=new H(this._valueUV,["x","y"]),i=new H(this._valueUV,["z","w"]),r=new H(this._valueUV,["x","w"]),n=new H(this._valueUV,["y","z"]);t.complementaryMediation=i,i.complementaryMediation=t,r.complementaryMediation=n,n.complementaryMediation=r,this._sideMediators=[t,i,r,n],this._units=B}set units(e){this._units=ze(e),this._needsProcess=!0}get units(){return this._units}set mediation(e){e!==this._mediation&&(this._mediation=e,this._needsUpdate=!0)}get mediation(){return this._mediation}output(e){e.cornerTL=this._cornerTL,e.cornerTR=this._cornerTR,e.cornerBR=this._cornerBR,e.cornerBL=this._cornerBL}computeOutputValue(e){this._vector4ValueSetter(this._value,this._input),this._needsProcess=!0}process(e){this._needsRender=!0}render(e){this._valueUV.copy(this._value);const t=e._bounds._offsetWidth,i=e._bounds._offsetHeight;if(this._units===L&&this._valueUV.divideScalar(100),this._units===B&&this._valueUV.divideScalar(Math.min(t,i)),this._mediation)do this._sideMediators.forEach(o=>o.computeValue()),this._sideMediators.sort((o,h)=>o.value<h.value?1:-1),this._sideMediators[0].value>1&&this._sideMediators[0].mediate();while(this._sideMediators[0].value>1);let r=t>i?i/t:1,n=t<i?t/i:1;this._units===L&&(r=n=1),this._cornerTL.x=this._valueUV.x*r,this._cornerTL.y=1-this._valueUV.x*n,this._cornerTR.x=1-this._valueUV.y*r,this._cornerTR.y=1-this._valueUV.y*n,this._cornerBR.x=1-this._valueUV.z*r,this._cornerBR.y=this._valueUV.z*n,this._cornerBL.x=this._valueUV.w*r,this._cornerBL.y=this._valueUV.w*n}dispose(){for(const e of this._sideMediators)e.dispose();this._sideMediators=null,this._cornerTL=null,this._cornerTR=null,this._cornerBR=null,this._cornerBL=null,super.dispose()}set topLeft(e){this._input.x!==e&&(this._input.x=e,this._needsUpdate=!0)}get topLeft(){return this._input.x}set topRight(e){this._input.y!==e&&(this._input.y=e,this._needsUpdate=!0)}get topRight(){return this._input.y}set bottomRight(e){this._input.z!==e&&(this._input.z=e,this._needsUpdate=!0)}get bottomRight(){return this._input.z}set bottomLeft(e){this._input.w!==e&&(this._input.w=e,this._needsUpdate=!0)}get bottomLeft(){return this._input.w}set top(e){this._input.x===e&&this._input.y===e||(this._input.x=this._input.y=e,this._needsUpdate=!0)}get top(){return(this._input.x+this._input.y)/2}set right(e){this._input.y===e&&this._input.z===e||(this._input.y=this._input.z=e,this._needsUpdate=!0)}get right(){return(this._input.y+this._input.z)/2}set bottom(e){this._input.z===e&&this._input.w===e||(this._input.z=this._input.w=e,this._needsUpdate=!0)}get bottom(){return(this._input.z+this._input.w)/2}set left(e){this._input.w===e&&this._input.x===e||(this._input.w=this._input.x=e,this._needsUpdate=!0)}get left(){return(this._input.w+this._input.x)/2}}class H{constructor(e,t){this._borderRadiuses=e,this._sideProperties=t,this._complementaryMediation=null,this._value=0}get value(){return this._value}set complementaryMediation(e){this._complementaryMediation=e}computeValue(){let e=0;for(const t of this._sideProperties)e+=this._borderRadiuses[t];this._value=e}mediate(e=!0){if(!(this._value<1)){for(const t of this._sideProperties)this._borderRadiuses[t]/=this._value;e&&this._complementaryMediation.mediate(!1)}}dispose(){this._complementaryMediation=null,this._borderRadiuses=null}}class Ws extends D{constructor(e){super("borderWidth",e,!1),this._valueUV=this._value.clone(),this.output=this._outputValue,this._units=B}set units(e){this._units=ze(e),this._needsUpdate=!0}get units(){return this._units}computeOutputValue(e){this._vector4ValueSetter(this._value,this._input),this._needsProcess=!0,e._bounds._needsUpdate=!0,e._layouter._needsUpdate=!0}_outputValue(e){e[this._id]=this._valueUV}process(e){this._needsRender=!0,e._borderRadius._needsRender=!0}render(e){this._valueUV.copy(this._value);const t=e._bounds._offsetWidth,i=e._bounds._offsetHeight;if(this._units===L&&(console.log("Percent"),console.log(this._valueUV)),this._units===B)t!==0&&(this._valueUV.w/=t,this._valueUV.y/=t),i!==0&&(this._valueUV.x/=i,this._valueUV.z/=i);else if(this._units===Oe){if(t!==0){const r=t>i?i/t:1;this._valueUV.y*=r,this._valueUV.w*=r}if(i!==0){const r=t<i?t/i:1;this._valueUV.x*=r,this._valueUV.z*=r}}}}class Ds extends p{constructor(e,t=!0){super("visible",t,!0),this._needsUpdate=!1}update(e,t){e.visible=this._value,e._parent._value&&(e._parent._value._children._needsUpdate=!0)}set value(e){this.isValid(e)&&this._value!==e&&(this._value=e,this._needsUpdate=!0)}get value(){return this._value}}class Ae extends T{constructor(e){super("backgroundColor",e,!1),this._input="transparent",this._allowsInherit=!1}computeOutputValue(e){e._backgroundMesh.visible=!(this._input==="none"||this._input==="transparent"),this._input==="inherit"?this._value.set(this.getInheritedInput(e)):this._input==="transparent"||this._input==="none"||this._value.set(this._input)}}class V extends p{constructor(e="untitled"){super(e,void 0,!1)}update(e,t){}output(e){}}class Es extends p{constructor(){super("inlineJustificator",null,!1),this._value=null}update(e,t){}process(e){const t=e._bounds._innerHeight,i=e._layouter._value,r=Math.abs(i.height);let n=(()=>{switch(e._alignItems._value){case"inherit":case"start":return t/2;case"end":return r-t/2;case"stretch":case"center":return r/2}})();const o=e._padding._value,h=e._borderWidth._value;n+=(-o.x+o.z)/2+(-h.x+h.z)/2,i.forEach(c=>{c.y+=n,c.forEach(d=>{d.offsetY+=n})})}}const Ls=["start","center","end","stretch"],Hs=function(s){return Ls.indexOf(s)===-1?(console.warn(`(.style) alignItems value '${s}' is not valid. Aborted`),!1):!0};class ne extends g{constructor(){super("alignItems","inherit",!0),this.isValidValue=Hs}}class oe extends g{constructor(){super("textAlign","inherit",!0),this.isValidValue=$s}}const Gs=["left","right","center","justify","justify-left","justify-right","justify-center"],$s=function(s){return Gs.indexOf(s)===-1?(console.warn(`(.style) textAlign value '${s}' is not valid. Aborted`),!1):!0};class ae extends g{constructor(){super("flexDirection","inherit",!0),this.isValid=Xs}}const js=["row","row-reverse","column","column-reverse"];function Xs(s){return js.indexOf(s)===-1?(console.warn(`(.style) flexDirection value '${s}' is not valid. Aborted`),!1):!0}class le extends g{constructor(){super("justifyContent","inherit",!0),this.isValidValue=Ns}}const Ys=["start","center","end","space-between","space-around","space-evenly"];function Ns(s){return Ys.indexOf(s)===-1?(console.warn(`(.style) justifyContent value '${s}' is not valid. Aborted`),!1):!0}class Ks extends g{constructor(){super("order",0,!0),this._value=0,this._input=0,this._allowsInherit=!1}computeOutputValue(e){this._value=this._inheritedInput,e._parent._value&&(e._parent._value._children._needsProcess=!0)}}class We extends g{constructor(){super("position","static",!0),this._allowsInherit=!1,this._value="static",this._needsUpdate=!1,this.computeOutputValue=this._computeFromInherited,this.isValidValue=Js}_computeFromInherited(e){super._computeFromInherited(e),e._parent._value&&(e._parent._value._children._needsProcess=!0)}}const qs=["static","absolute"];function Js(s){return qs.indexOf(s)===-1?(console.warn(`(.style) position value '${s}' is not valid. Aborted`),!1):!0}class De extends g{constructor(e,t=null){super(e,t,!0),this._input="auto",this._auto=!0,this._relative=!1,this._updateRequired=!0}set inline(e){this.isValidValue(e)&&e!==this._inline&&(this._inline=e,this._input!==this._inline&&this._parseInput())}get inline(){return this._inline}_parseInput(){let e=!0;if(this._inline!==void 0&&this._inline!=="unset"?this._input=this._inline:this._computed!==void 0?(this._computed===this._input&&(e=!1),this._input=this._computed):e=this._input==="inherit",e){if(this._auto=!this._input||this._input==="auto",this._auto)this._relative=!1;else if((typeof this._input=="string"||this._input instanceof String)&&this._input.endsWith("%")){this._relative=!0,this._value=0;const t=parseFloat(this._input.replace("%","").trim());isNaN(t)||(this._value=t/100)}else this._relative=!1,this._value=this._input;this._needsUpdate=this._updateRequired=e}}update(e,t){if(this._updateRequired){this._updateRequired=!1,this._allowsInherit||(this._inheritedInput=this.getInheritedInput(e)),this.computeOutputValue(e);for(const i of e._children._uis)i[`_${this._id}`]._needsUpdate=!0;this.output(t),e._parent._value&&(e._parent._value._layouter._needsProcess=!0)}}computeOutputValue(e){e._bounds._needsUpdate=!0,e._renderer._needsRender=!0}getInheritedInput(e){if(this._input!=="inherit"&&!this._auto)return this._input;const t=e._parent._value;return t?t[`_${this._id}`].getInheritedInput(t):this.getDefaultValue()}getDefaultValue(){return 0}get value(){return this._value}}class Qs extends De{constructor(){super("width")}}class Zs extends De{constructor(){super("height")}computeOutputValue(e){super.computeOutputValue(e)}}class Ee extends V{constructor(){super("textContent"),this._needsUpdate=!1}set value(e){}process(e){let t="";for(let i=0;i<e.children.length;i++){const r=e.children[i];r.isUI&&(t+=r.textContent)}this._value=t}}class Le extends g{constructor(e){super("fontStyle",e,!0),this.isValidValue=ti}}const ei=["normal","italic"];function ti(s){return ei.indexOf(s)===-1?(console.warn(`(.style) fontStyle value '${s}' is not valid. Aborted`),!1):!0}class He extends g{constructor(){super("fontWeight","inherit",!0),this.isValid=ii}}const si=["100","200","300","400","500","600","700","800","900","light","normal","bold","bolder"];function ii(s){return si.indexOf(s.toString())===-1?(console.warn(`(.style) fontWeight value '${s}' is not valid. Aborted`),!1):!0}class Ge{constructor(){this._size=42,this._lineHeight=42,this._lineBase=38,this._name="-",this._charset=""}get size(){return this._size}get lineHeight(){return this._lineHeight}get lineBase(){return this._lineBase}get name(){return this._name}get charset(){return this._charset}}class ri extends Ge{constructor(e){super(),this._size=e.info.size,this._lineHeight=e.common.lineHeight,this._lineBase=e.common.base,this._name=e.info.face,this._textureWidth=e.common.scaleW,this._textureHeight=e.common.scaleH,this._charset=e.chars.map(t=>t.char).join("")}get textureWidth(){return this._textureWidth}get textureHeight(){return this._textureHeight}}class ni extends Fe{constructor(e){super(e)}get uv(){return this.typographic.uv}}class q extends Te{constructor(e,t){super(e),this._char=t.char,this._width=t.width,this._heigth=t.height,this._xadvance=t.xadvance?t.xadvance:this._width,this._xoffset=t.xoffset?t.xoffset:0,this._yoffset=t.yoffset?t.yoffset:0,this._uv=t.uv?t.uv:null,isNaN(t.x)||(this._uv={left:t.x/e.textureWidth,right:(t.x+t.width)/e.textureWidth,top:1-(t.y+t.height)/e.textureHeight,bottom:1-t.y/e.textureHeight})}get uv(){return this._uv}clone(e){return new q(this._font,{char:e,width:this._width,height:this._heigth,xadvance:this._xadvance,xoffset:this._xoffset,yoffset:this._yoffset,uv:null})}asInlineGlyph(){return new ni(this)}}class oi extends a.PlaneGeometry{constructor(e,t){let i=1,r=1;const n=e.typographic.font.size,o=t._segments.value;i=Math.ceil(e.typographic.width/n*o),r=Math.ceil(e.typographic.height/n*o),super(e.width,e.height,i,r),e.uv?(this._mapUVs(e),this._transformGeometry(e)):(this._nullifyUVs(),this.scale(0,0,1),this.translate(0,e.fontSize/2,0)),this.name="GlyphGeometry"}_mapUVs(e){const t=e.uv.right-e.uv.left,i=e.uv.bottom-e.uv.top,r=this.getAttribute("uv").array.slice(),n=[];for(let o=0;o<r.length;o+=2){const h=r[o],c=r[o+1];n.push(e.uv.left+t*h),n.push(e.uv.top+i*c)}this.setAttribute("uvG",new a.BufferAttribute(new Float32Array(n),2))}_nullifyUVs(){const e=[],t=this.getAttribute("uv").array.length;for(let i=0;i<t;i++)e.push(0);this.setAttribute("uvG",new a.BufferAttribute(new Float32Array(e),2))}_transformGeometry(e){this.translate(e.width/2,-e.height/2,0)}}const ai=` attribute vec2 uvG; varying vec2 vUvG; `,he=ai,li=` vUvG = uvG; `,ue=li,hi=` gl_Position.z -= 0.00001; `,ce=hi,ui=` varying vec2 vUvG; uniform sampler2D glyphMap; uniform vec2 unitRange; // functions from the original msdf repo: // https://github.com/Chlumsky/msdfgen#using-a-multi-channel-distance-field float median(float r, float g, float b) { return max(min(r, g), min(max(r, g), b)); } float screenPxRange() { // precomputed unitRange as recommended by Chlumsky // vec2 unitRange = vec2(pxRange)/vec2(textureSize(glyphMap, 0)); vec2 screenTexSize = vec2(1.0)/fwidth(vUvG); return max(0.5*dot(unitRange, screenTexSize), 1.0); } float tap(vec2 offsetUV) { vec3 msd = texture( glyphMap, offsetUV ).rgb; float sd = median(msd.r, msd.g, msd.b); float screenPxDistance = screenPxRange() * (sd - 0.5); float alpha = clamp(screenPxDistance + 0.5, 0.0, 1.0); return alpha; } `,de=ui,ci=` float alpha; #ifdef NO_RGSS alpha = tap( vUvG ); #else // shader-based supersampling based on https://bgolus.medium.com/sharper-mipmapping-using-shader-based-supersampling-ed7aadb47bec // per pixel partial derivatives vec2 dx = dFdx(vUvG); vec2 dy = dFdy(vUvG); // rotated grid uv offsets vec2 uvOffsets = vec2(0.125, 0.375); vec2 offsetUV = vec2(0.0, 0.0); // supersampled using 2x2 rotated grid alpha = 0.0; offsetUV.xy = vUvG + uvOffsets.x * dx + uvOffsets.y * dy; alpha += tap(offsetUV); offsetUV.xy = vUvG - uvOffsets.x * dx - uvOffsets.y * dy; alpha += tap(offsetUV); offsetUV.xy = vUvG + uvOffsets.y * dx - uvOffsets.x * dy; alpha += tap(offsetUV); offsetUV.xy = vUvG - uvOffsets.y * dx + uvOffsets.x * dy; alpha += tap(offsetUV); alpha *= 0.25; #endif alpha = clamp( alpha, 0.0, 1.0 ); #ifdef INVERT_ALPHA alpha = 1.0 - alpha; #endif diffuseColor.a *= alpha; `,_e=ci,G=function(s,e,t){s.alphaTest=t,pe(s,"USE_ALPHATEST",t>0)},pe=function(s,e,t){s.defines&&(t?s.defines[e]===void 0&&(s.defines[e]="",s.needsUpdate=!0):s.defines[e]!==void 0&&(delete s.defines[e],s.needsUpdate=!0))},$e=function(s,e,t){s.defines[e]&&s.defines[e]===t||(s.defines[e]=t,s.needsUpdate=!0)},x=function(s,e,t){s.userData[e]?s.userData[e].value=t:s.uniforms[e].value=t},di=function(s,e,t){s.userData[e].value=t};class w{static ensureMaterialOptions(e){e.transparent=!0,e.alphaTest=e.alphaTest||.02}static ensureDefines(e){e.defines||(e.defines={})}static ensureUserData(e,t){e.userData.glyphMap={value:t.glyphMap},e.userData.unitRange={value:new a.Vector2}}static bindUniformsWithUserData(e,t){e.uniforms.glyphMap=t.userData.glyphMap,e.uniforms.unitRange=t.userData.unitRange}static injectShaderChunks(e){w.injectVertexShaderChunks(e),w.injectFragmentShaderChunks(e)}static injectVertexShaderChunks(e){e.vertexShader=e.vertexShader.replace("#include <uv_pars_vertex>",`#include <uv_pars_vertex> `+he),e.vertexShader=e.vertexShader.replace("#include <uv_vertex>",`#include <uv_vertex> `+ue),e.vertexShader=e.vertexShader.replace("#include <project_vertex>",`#include <project_vertex> `+ce)}static injectFragmentShaderChunks(e){e.fragmentShader=e.fragmentShader.replace("#include <uv_pars_fragment>",`#include <uv_pars_fragment> `+de),e.fragmentShader=e.fragmentShader.replace("#include <alphamap_fragment>",`#include <alphamap_fragment> `+_e)}static from(e){return class extends e{constructor(t={}){w.ensureMaterialOptions(t),super(t),M(this,"_cumulativeOnBeforeCompile",i=>{w.bindUniformsWithUserData(i,this),w.injectShaderChunks(i),this._userDefinedOnBeforeCompile(i)}),w.ensureDefines(this),w.ensureUserData(this,t),this._userDefinedOnBeforeCompile=i=>{},this._onBeforeCompile=this._cumulativeOnBeforeCompile}static get fontMaterialProperties(){return w.mediation}set onBeforeCompile(t){this._userDefinedOnBeforeCompile=t}get onBeforeCompile(){return this._onBeforeCompile}}}static get mediation(){return fi}}const _i=function(s,e,t){const i=t?t.texture:null,r=t?t.unitRange:new a.Vector2;if(s[e]!==void 0){s.glyphMap=i,s.unitRange=r;return}s.userData&&s.userData.glyphMap&&(s.userData.glyphMap.value=i,s.userData.unitRange.value=r)},pi=function(s,e,t){t&&t!=="antialiased"?s.defines.NO_RGSS="":delete s.defines.NO_RGSS,s.needsUpdate=!0},fi={clippingPlanes:{m:"clippingPlanes"},fontAlphaTest:{m:"alphaTest",t:G},fontSide:{m:"side"},font:{m:"glyphMap",t:_i},color:{m:"color"},fontOpacity:{m:"opacity"},fontSmooth:{m:"NO_RGSS",t:pi},invertAlpha:{m:"INVERT_ALPHA",t:pe}},gi=` ${he} #include <clipping_planes_pars_vertex> void main() { ${ue} #include <begin_vertex> #include <project_vertex> ${ce} #include <clipping_planes_vertex> } `,mi=` uniform vec3 diffuse; uniform float opacity; ${de} #include <alphatest_pars_fragment> #include <clipping_planes_pars_fragment> void main() { // instead of <color_fragment> : vec4 diffuseColor vec4 diffuseColor = vec4( diffuse, opacity ); ${_e} #include <alphatest_fragment> // instead of <output_fragment> gl_FragColor = diffuseColor; #include <clipping_planes_fragment> } `,vi=.02;class Re extends a.ShaderMaterial{static get mediation(){return w.mediation}constructor(e={}){super({uniforms:{glyphMap:{value:null},diffuse:{value:null},opacity:{value:1},unitRange:{value:new a.Vector2(0,0)},alphaTest:{value:vi}},transparent:!0,clipping:!0,vertexShader:gi,fragmentShader:mi,extensions:{derivatives:!0}}),this.defines.USE_ALPHATEST="",this.needsUpdate=!0,this.noRGSS=e.noRGSS||!1}get color(){return this.uniforms.diffuse.value}set color(e){this.uniforms.diffuse.value=e}set opacity(e){this.uniforms&&(this.uniforms.opacity.value=e)}get opacity(){return this.uniforms.opacity.value}get unitRange(){return this.uniforms.unitRange.value}set unitRange(e){this.uniforms.unitRange.value.copy(e)}get glyphMap(){return this.uniforms.glyphMap.value}set glyphMap(e){this.uniforms.glyphMap.value=e}get isDefault(){return this.constructor===Re}get alphaTest(){return this.uniforms.alphaTest.value}set alphaTest(e){this.uniforms.alphaTest.value=e}}class bi extends I{constructor(e,t,i,r){if(super(e,t),this._unitRange=new a.Vector2(1,1),i.pages?this._buildData(i):yi(this,i),r instanceof a.Texture)this._texture=r,this._buildTexture(r);else if(typeof r=="string"||r instanceof String)xi(this,r);else throw new Error(`ThreeMeshUI::MSDFVariant provided 'texture' parameter is '${typeof r}'. Only Texture and String allowed.`);this._defaultMaterialClass=Re,this._checkReadiness()}get texture(){return this._texture}get unitRange(){return this._unitRange}set fontMaterial(e){this._defaultMaterialClass=e}get fontMaterial(){return this._defaultMaterialClass}_buildData(e){this._font=new ri(e),this._kernings=this._buildKerningPairs(e),this._chars=this._buildCharacters(e),this._chars[" "]=this._buildCharacterWhite(e),this._chars[` `]=this._buildCharacterWhite(e,` `,.001,1),this._chars[" "]=this._buildCharacterWhite(e," ",4,1),this._size=e.info.size,this._lineHeight=e.common.lineHeight,this._lineBase=e.common.base,this._distanceRange=e.distanceField.distanceRange,this._unitRange=new a.Vector2(this._distanceRange,this._distanceRange).divide(new a.Vector2(e.common.scaleW,e.common.scaleH))}_buildTexture(e){e.generateMipmaps=!1,e.minFilter=a.LinearFilter,e.magFilter=a.LinearFilter,e.needsUpdate=!0}_getFallbackCharacter(e){return C.missingCharacter(this,e)}getGeometricGlyph(e,t){return new oi(e,t)}_readyCondition(){return this._chars&&this._texture&&this._texture.image}_buildKerningPairs(e){const t={};for(let i=0;i<e.kernings.length;i++){const r=e.kernings[i];if(r.amount===0)continue;const n=String.fromCharCode(r.first,r.second);t[n]=r.amount}return t}_buildCharacters(e){const t={};for(let i=0;i<e.chars.length;i++){const r=e.chars[i];t[r.char]=new q(this._font,r)}return t}_buildCharacterWhite(e,t=" ",i=1,r=1){return new q(this._font,{char:t,width:e.info.size/3*i,height:e.info.size*.7*r})}_alterElementProperties(e){}}function yi(s,e){new a.FileLoader().setResponseType("json").load(e,t=>{s._buildData(t),s._checkReadiness()})}function xi(s,e){s._texture=new a.TextureLoader().load(e,t=>{s._buildTexture(t),s._checkReadiness()})}class $ extends a.EventDispatcher{constructor(e){super(),M(this,"_checkReadiness",()=>{this._variants.every(t=>t.isReady)&&Si(this)}),this._name=e,this._variants=[],this._isReady=!1}get isReady(){return this._isReady}addVariant(e,t,i,r,n=!1){if(n||!this.getVariant(e,t)){this._isReady=!1;const o=new bi(e,t,i,r);this._variants.push(o),o.isReady?this._checkReadiness():o.addEventListener("ready",this._checkReadiness)}else console.warn(`FontFamily('${this._name}')::addVariant() - Variant(${e}, ${t}) already exists.`);return this}addCustomImplementationVariant(e,t=!1){return t||!this.getVariant(e.weight,e.style)?(this._isReady=!1,this._variants.push(e),e.isReady?this._checkReadiness():e.addEventListener("ready",this._checkReadiness)):console.warn(`FontFamily('${this._name}')::addCustomImplementationVariant() - Variant(${e.weight}, ${e.style}) already exists.`),this}getVariant(e,t){return e=ie(e),this._variants.find(i=>i.weight===e&&i.style===t)}get name(){return this._name}}const wi={type:"ready"};function Si(s){s._isReady=!0,s.dispatchEvent(wi)}const j={},ki=function(s){const e=[...arguments];e.forEach(i=>{if(!(i instanceof $))throw new Error(`FontLibrary::prepare() - One of the provided parameter is not a FontFamily. Instead ${typeof i} given.`)});const t=function(){return e.every(i=>i.isReady)};return new Promise((i,r)=>{if(t())i();else for(let n=0;n<e.length;n++){const o=e[n];o.isReady||o.addEventListener("ready",()=>{t()&&i()})}})},Vi=function(s){return j[s]&&console.error(`FontLibrary::addFontFamily - Font('${s}') is already registered`),j[s]=new $(s),j[s]},Ui=function(s){return j[s]},Ri=function(s){je=s};let je=function(s,e){return console.error(`The character '${e}' is not included in the font characters set.`)," "};function Ci(s,e){return je(s,e)}const Mi={addFontFamily:Vi,getFontFamily:Ui,prepare:ki,setMissingCharacterHandler:Ri,missingCharacter:Ci},C=Mi;class Xe extends g{constructor(){super("fontFamily","inherit",!0)}computeOutputValue(e){if(this._input instanceof $)this._value=this._input;else if(this._input!=="inherit")if(typeof this._input=="string"){const t=C.getFontFamily(this._input);t?this._value=t:console.warn(`(.style) fontFamily, the font '${this._input}' is not registered. Aborted.`)}else console.warn("(.style) fontFamily requires a registered fontFamily instance, or the id of a registered fontFamily."),console.warn("If you want to set a specific font, please use .font property instead.")}get value(){return this._value}getInheritedInput(e){if(this._input!=="inherit")return this._input;const t=e._parent._value;return t?t[`_${this._id}`].getInheritedInput(t):this.getDefaultValue()}}class Ye extends g{constructor(){super("lineHeight","inherit",!0)}update(e,t){super.update(e,t),e._layouter._needsProcess=!0}}class Ne extends g{constructor(){super("whiteSpace","inherit"),this.isValidValue=Pi}}const Bi=["normal","nowrap","pre","pre-line","pre-wrap"];function Pi(s){return Bi.indexOf(s)===-1?(console.warn(`(.style) whiteSpace value '${s}' is not valid. Aborted`),!1):!0}class Ke extends g{constructor(){super("letterSpacing","inherit",!0)}}class Ii extends g{constructor(){super("fontSize","inherit",!0)}}class qe extends p{constructor(){super("segments",1,!1)}}class Ti extends R{constructor(){super("invertAlpha","inherit")}}class X extends g{constructor(){super("fontKerning","inherit"),this.isValidValue=Oi}}const Fi=["normal","none","inherit"];function Oi(s){return Fi.indexOf(s)===-1?(console.warn(`(.style) fontKerning value '${s}' is not valid. Aborted`),!1):!0}class Y extends R{constructor(e){super(e,"inherit",!0)}}class Je extends R{constructor(e){super(e,"inherit",!1),this._mediation={},this._defaultMaterial=null}update(e,t){this._notInheritedValue=this._value,this._notInheritedValue==="inherit"?this._notInheritedValue=this.getInheritedInput(e):this.propagate(e),this._notInheritedValue?this._notInheritedValue.constructor.mediation?this._mediation={...this._notInheritedValue.constructor.mediation}:this._mediation={clippingPlanes:{m:"clippingPlanes"},fontAlphaTest:{m:"alphaTest",t:G},fontSide:{m:"side"},color:{m:"color"},fontOpacity:{m:"opacity"}}:this._mediation={},e._transferToFontMaterial(),this._outputValue(t)}getInheritedInput(e){if(this._value!=="inherit")return this._value;let t=e,i=null;for(;t._parent._value;)if(t=t._parent._value,t[`_${this._id}`]._value!=="inherit"){i=t[`_${this._id}`]._value;break}return i!==null?i:this.getDefaultValue()}getDefaultValue(){return this._defaultMaterial}}const zi=function(s,e,t){s.traverse(i=>{i.renderOrder=t})};class F extends a.Object3D{constructor(e,t){super(),M(this,"_rebuildParentUI",()=>{this._parent._needsUpdate=!0,this.parent&&!this.parent.isUI?(N.register(this),this.activatePseudoState("root")):(N.remove(this),this.deactivatePseudoState("root"))}),Object.defineProperties(this,{isUI:{configurable:!1,enumerable:!0,value:!0}}),this._backgroundMesh=null,this._backgroundMaterial=null,this._backgroundCustomDepthMaterial=null,this._backgroundMaterialMediation={},this._backgroundMeshMediation={backgroundCastShadow:{m:"castShadow"},backgroundReceiveShadow:{m:"receiveShadow"},renderOrder:{m:"renderOrder",t:zi}},this._fontMesh=null,this._fontMaterial=new Je("fontMaterial"),this._fontCustomDepthMaterial=new Je("fontCustomDepthMaterial"),this._fontMeshMediation={fontMaterial:{m:"material"},fontCustomDepthMaterial:{m:"customDepthMaterial",t:us},fontCastShadow:{m:"castShadow"},fontReceiveShadow:{m:"receiveShadow"},renderOrder:{m:"renderOrder"}},this._children=e.children?new e.children:new V("children"),this._parent=new cs,this.addEventListener("added",this._rebuildParentUI),this.addEventListener("removed",this._rebuildParentUI),this._backgroundSide=new Pe("backgroundSide"),this._fontSide=new Pe("fontSide"),this._backgroundAlphaTest=new Be("backgroundAlphaTest",.02),this._fontAlphaTest=new Be("fontAlphaTest",.02),this._visible=new Ds("visible",!0),this._backgroundCastShadow=new Y("backgroundCastShadow"),this._fontCastShadow=new Y("fontCastShadow"),this._backgroundReceiveShadow=new Y("backgroundReceiveShadow"),this._fontReceiveShadow=new Y("fontReceiveShadow"),this._renderOrder=new ss,this._segments=e.segments?new e.segments:new qe,this._bounds=e.bounds?new e.bounds:new V("bounds"),this._order=new Ks,this._padding=new ls,this._margin=new hs,this._position=new We,this._flexDirection=e.flexDirection?new e.flexDirection:new ae,this._justifyContent=e.justifyContent?new e.justifyContent:new le,this._alignItems=e.alignItems?new e.alignItems:new ne,this._display=new xs("flex"),this._boxSizing=new ks("border-box"),this._width=new Qs,this._height=new Zs,this._backgroundColor=e.backgroundColor?new e.backgroundColor:new Ae,this._backgroundOpacity=new re("backgroundOpacity",.5),this._backgroundImage=new Cs,this._backgroundSize=new Bs("cover"),this._color=e.color?new e.color:new T("color","inherit"),this._fontOpacity=new re("fontOpacity","inherit"),this._whiteSpace=e.whiteSpace?new e.whiteSpace:new Ne,this._fontFamily=e.fontFamily?new e.fontFamily:new Xe,this._fontStyle=e.fontStyle?new e.fontStyle:new Le("normal"),this._fontWeight=e.fontWeight?new e.fontWeight:new He,this._fontSize=e.fontSize?new e.fontSize:new Ii,this._lineHeight=e.lineHeight?new e.lineHeight:new Ye,this._fontKerning=e.fontKerning?new e.fontKerning:new X,this._letterSpacing=e.letterSpacing?new e.letterSpacing:new Ke,this._overflow=new Ts("visible"),this._borderRadius=new As(0),this._borderWidth=new Ws(0),this._borderColor=new T("borderColor",16711935),this._borderOpacity=new re("borderOpacity",1),this._font=new vs,this._lineBreak=e.lineBreak?new e.lineBreak:new V("lineBreak"),this._textContent=e.textContent?new e.textContent:new Ee,this._glyphs=e.glyphs?new e.glyphs:new V("glyphs"),this._inlines=e.inlines?new e.inlines:new V("inlines"),this._layouter=e.layouter?new e.layouter:new V("layouter"),this._inlineJustificator=new Es,this._textAlign=e.textAlign?new e.textAlign:new oe,this._autoSize=e.autoSize?new e.autoSize:new V("autoSize"),this._renderer=e.renderer?new e.renderer:new V("renderer"),this._offset=new is,this._invertAlpha=new Ti,this._fontSmooth=e.fontSmooth?new e.fontSmooth:new rs,this._components=[this._textContent,this._children,this._parent,this._autoSize,this._fontFamily,this._fontStyle,this._fontWeight,this._font,this._whiteSpace,this._glyphs,this._inlines,this._visible,this._backgroundSide,this._fontSide,this._backgroundAlphaTest,this._fontAlphaTest,this._backgroundCastShadow,this._fontCastShadow,this._backgroundReceiveShadow,this._fontReceiveShadow,this._renderOrder,this._segments,this._padding,this._margin,this._width,this._height,this._borderWidth,this._boxSizing,this._bounds,this._position,this._flexDirection,this._justifyContent,this._alignItems,this._order,this._display,this._backgroundColor,this._backgroundOpacity,this._backgroundImage,this._backgroundSize,this._fontOpacity,this._color,this._fontSize,this._lineHeight,this._fontKerning,this._letterSpacing,this._borderRadius,this._borderColor,this._borderOpacity,this._lineBreak,this._offset,this._layouter,this._inlineJustificator,this._textAlign,this._invertAlpha,this._fontSmooth,this._fontMaterial,this._fontCustomDepthMaterial,this._overflow,this._renderer],this._onAfterUpdates=[],t.backgroundSide||(t.backgroundSide=0),t&&this.set(t)}update(){const e={};for(const t of this._components)t._needsUpdate&&(t.update(this,e),t._needsUpdate=!1);this._transferToBackgroundMesh(e),this._transferToFontMesh(e),this._transferToBackgroundMaterial(e),this._transferToFontMaterial(e);for(const t of this._children._uis)t.update()}process(){for(const e of this._children._uis)e.process();for(const e of this._components)e._needsProcess&&(e.process(this),e._needsProcess=!1)}render(){for(let e=0;e<this._components.length;e++){const t=this._components[e];t._needsRender&&(t.render(this),t._needsRender=!1)}for(const e of this._children._uis)e.render()}set(e){if(e.fontTexture&&(console.warn("ThreeMeshUI::set( {fontTexture} ) is deprecated. Please use fontLibrary to register font families and variants."),e.fontFamily)){const t=e.fontFamily.pages?e.fontFamily.info.face:e.fontFamily;let i=C.getFontFamily(t);if(!