Updated builds.

build/three.js

@@ -20061,7 +20061,7 @@ THREE.Material.prototype = {
 		if ( this.color instanceof THREE.Color ) data.color = this.color.getHex();
 
 		if ( this.roughness !== 0.5 ) data.roughness = this.roughness;
-		if ( this.metalness > 0 ) data.metalness = this.metalness;
+		if ( this.metalness !== 0.5 ) data.metalness = this.metalness;
 
 		if ( this.emissive instanceof THREE.Color ) data.emissive = this.emissive.getHex();
 		if ( this.specular instanceof THREE.Color ) data.specular = this.specular.getHex();

build/three.min.js

@@ -426,7 +426,7 @@ a}};
 THREE.Material=function(){Object.defineProperty(this,"id",{value:THREE.MaterialIdCount++});this.uuid=THREE.Math.generateUUID();this.name="";this.type="Material";this.side=THREE.FrontSide;this.opacity=1;this.transparent=!1;this.blending=THREE.NormalBlending;this.blendSrc=THREE.SrcAlphaFactor;this.blendDst=THREE.OneMinusSrcAlphaFactor;this.blendEquation=THREE.AddEquation;this.blendEquationAlpha=this.blendDstAlpha=this.blendSrcAlpha=null;this.depthFunc=THREE.LessEqualDepth;this.colorWrite=this.depthWrite=this.depthTest=
 !0;this.precision=null;this.polygonOffset=!1;this.overdraw=this.alphaTest=this.polygonOffsetUnits=this.polygonOffsetFactor=0;this._needsUpdate=this.visible=!0};
 THREE.Material.prototype={constructor:THREE.Material,get needsUpdate(){return this._needsUpdate},set needsUpdate(a){!0===a&&this.update();this._needsUpdate=a},setValues:function(a){if(void 0!==a)for(var b in a){var c=a[b];if(void 0===c)console.warn("THREE.Material: '"+b+"' parameter is undefined.");else{var d=this[b];void 0===d?console.warn("THREE."+this.type+": '"+b+"' is not a property of this material."):d instanceof THREE.Color?d.set(c):d instanceof THREE.Vector3&&c instanceof THREE.Vector3?d.copy(c):
-this[b]="overdraw"===b?Number(c):c}}},toJSON:function(a){function b(a){var b=[],c;for(c in a){var d=a[c];delete d.metadata;b.push(d)}return b}var c=void 0===a;c&&(a={textures:{},images:{}});var d={metadata:{version:4.4,type:"Material",generator:"Material.toJSON"}};d.uuid=this.uuid;d.type=this.type;""!==this.name&&(d.name=this.name);this.color instanceof THREE.Color&&(d.color=this.color.getHex());.5!==this.roughness&&(d.roughness=this.roughness);0<this.metalness&&(d.metalness=this.metalness);this.emissive instanceof
+this[b]="overdraw"===b?Number(c):c}}},toJSON:function(a){function b(a){var b=[],c;for(c in a){var d=a[c];delete d.metadata;b.push(d)}return b}var c=void 0===a;c&&(a={textures:{},images:{}});var d={metadata:{version:4.4,type:"Material",generator:"Material.toJSON"}};d.uuid=this.uuid;d.type=this.type;""!==this.name&&(d.name=this.name);this.color instanceof THREE.Color&&(d.color=this.color.getHex());.5!==this.roughness&&(d.roughness=this.roughness);.5!==this.metalness&&(d.metalness=this.metalness);this.emissive instanceof
 THREE.Color&&(d.emissive=this.emissive.getHex());this.specular instanceof THREE.Color&&(d.specular=this.specular.getHex());void 0!==this.shininess&&(d.shininess=this.shininess);this.map instanceof THREE.Texture&&(d.map=this.map.toJSON(a).uuid);this.alphaMap instanceof THREE.Texture&&(d.alphaMap=this.alphaMap.toJSON(a).uuid);this.lightMap instanceof THREE.Texture&&(d.lightMap=this.lightMap.toJSON(a).uuid);this.bumpMap instanceof THREE.Texture&&(d.bumpMap=this.bumpMap.toJSON(a).uuid,d.bumpScale=this.bumpScale);
 this.normalMap instanceof THREE.Texture&&(d.normalMap=this.normalMap.toJSON(a).uuid,d.normalScale=this.normalScale.toArray());this.displacementMap instanceof THREE.Texture&&(d.displacementMap=this.displacementMap.toJSON(a).uuid,d.displacementScale=this.displacementScale,d.displacementBias=this.displacementBias);this.roughnessMap instanceof THREE.Texture&&(d.roughnessMap=this.roughnessMap.toJSON(a).uuid);this.metalnessMap instanceof THREE.Texture&&(d.metalnessMap=this.metalnessMap.toJSON(a).uuid);
 this.emissiveMap instanceof THREE.Texture&&(d.emissiveMap=this.emissiveMap.toJSON(a).uuid);this.specularMap instanceof THREE.Texture&&(d.specularMap=this.specularMap.toJSON(a).uuid);this.envMap instanceof THREE.Texture&&(d.envMap=this.envMap.toJSON(a).uuid,d.reflectivity=this.reflectivity);void 0!==this.size&&(d.size=this.size);void 0!==this.sizeAttenuation&&(d.sizeAttenuation=this.sizeAttenuation);void 0!==this.vertexColors&&this.vertexColors!==THREE.NoColors&&(d.vertexColors=this.vertexColors);