!0;function us(t,e,n){let i=new ai;const r=new vt,s=new vt,a=new St,o=[],l=[],c={},h=n.maxTextureSize,u={0:1,1:0,2:2},d=new Jn({defines:{SAMPLE_RATE:2/8,HALF_SAMPLE_RATE:1/8},uniforms:{shadow_pass:{value:null},resolution:{value:new vt},radius:{value:4}},vertexShader:"void main() {\n\tgl_Position = vec4( position, 1.0 );\n}",fragmentShader:"uniform sampler2D shadow_pass;\nuniform vec2 resolution;\nuniform float radius;\n#include \nvoid main() {\n\tfloat mean = 0.0;\n\tfloat squared_mean = 0.0;\n\tfloat depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy ) / resolution ) );\n\tfor ( float i = -1.0; i < 1.0 ; i += SAMPLE_RATE) {\n\t\t#ifdef HORIZONTAL_PASS\n\t\t\tvec2 distribution = unpackRGBATo2Half( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( i, 0.0 ) * radius ) / resolution ) );\n\t\t\tmean += distribution.x;\n\t\t\tsquared_mean += distribution.y * distribution.y + distribution.x * distribution.x;\n\t\t#else\n\t\t\tfloat depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( 0.0, i ) * radius ) / resolution ) );\n\t\t\tmean += depth;\n\t\t\tsquared_mean += depth * depth;\n\t\t#endif\n\t}\n\tmean = mean * HALF_SAMPLE_RATE;\n\tsquared_mean = squared_mean * HALF_SAMPLE_RATE;\n\tfloat std_dev = sqrt( squared_mean - mean * mean );\n\tgl_FragColor = pack2HalfToRGBA( vec2( mean, std_dev ) );\n}"}),m=d.clone();m.defines.HORIZONTAL_PASS=1;const f=new En;f.setAttribute("position",new sn(new Float32Array([-1,-1,.5,3,-1,.5,-1,3,.5]),3));const v=new Wn(f,d),y=this;function x(n,i){const r=e.update(v);d.uniforms.shadow_pass.value=n.map.texture,d.uniforms.resolution.value=n.mapSize,d.uniforms.radius.value=n.radius,t.setRenderTarget(n.mapPass),t.clear(),t.renderBufferDirect(i,null,r,d,v,null),m.uniforms.shadow_pass.value=n.mapPass.texture,m.uniforms.resolution.value=n.mapSize,m.uniforms.radius.value=n.radius,t.setRenderTarget(n.map),t.clear(),t.renderBufferDirect(i,null,r,m,v,null)}function _(t,e,n){const i=t<<0|e<<1|n<<2;let r=o[i];return void 0===r&&(r=new cs({depthPacking:3201,morphTargets:t,skinning:e}),o[i]=r),r}function w(t,e,n){const i=t<<0|e<<1|n<<2;let r=l[i];return void 0===r&&(r=new hs({morphTargets:t,skinning:e}),l[i]=r),r}function b(e,n,i,r,s,a,o){let l=null,h=_,d=e.customDepthMaterial;if(!0===r.isPointLight&&(h=w,d=e.customDistanceMaterial),void 0===d){let t=!1;!0===i.morphTargets&&(t=n.morphAttributes&&n.morphAttributes.position&&n.morphAttributes.position.length>0);let r=!1;!0===e.isSkinnedMesh&&(!0===i.skinning?r=!0:console.warn("THREE.WebGLShadowMap: THREE.SkinnedMesh with material.skinning set to false:",e));l=h(t,r,!0===e.isInstancedMesh)}else l=d;if(t.localClippingEnabled&&!0===i.clipShadows&&0!==i.clippingPlanes.length){const t=l.uuid,e=i.uuid;let n=c[t];void 0===n&&(n={},c[t]=n);let r=n[e];void 0===r&&(r=l.clone(),n[e]=r),l=r}return l.visible=i.visible,l.wireframe=i.wireframe,l.side=3===o?null!==i.shadowSide?i.shadowSide:i.side:null!==i.shadowSide?i.shadowSide:u[i.side],l.clipShadows=i.clipShadows,l.clippingPlanes=i.clippingPlanes,l.clipIntersection=i.clipIntersection,l.wireframeLinewidth=i.wireframeLinewidth,l.linewidth=i.linewidth,!0===r.isPointLight&&!0===l.isMeshDistanceMaterial&&(l.referencePosition.setFromMatrixPosition(r.matrixWorld),l.nearDistance=s,l.farDistance=a),l}function M(n,r,s,a,o){if(!1===n.visible)return;if(n.layers.test(r.layers)&&(n.isMesh||n.isLine||n.isPoints)&&(n.castShadow||n.receiveShadow&&3===o)&&(!n.frustumCulled||i.intersectsObject(n))){n.modelViewMatrix.multiplyMatrices(s.matrixWorldInverse,n.matrixWorld);const i=e.update(n),r=n.material;if(Array.isArray(r)){const e=i.groups;for(let l=0,c=e.length;lh||r.y>h)&&(r.x>h&&(s.x=Math.floor(h/m.x),r.x=s.x*m.x,u.mapSize.x=s.x),r.y>h&&(s.y=Math.floor(h/m.y),r.y=s.y*m.y,u.mapSize.y=s.y)),null===u.map&&!u.isPointLightShadow&&3===this.type){const t={minFilter:g,magFilter:g,format:E};u.map=new Tt(r.x,r.y,t),u.map.texture.name=c.name+".shadowMap",u.mapPass=new Tt(r.x,r.y,t),u.camera.updateProjectionMatrix()}if(null===