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o(e,[{key:"_initEvents",value:function(){this._throttledWorldUpdate=(0,f["default"])(this._update,100),this._world.on("preUpdate",this._throttledWorldUpdate,this)}},{key:"_initSkybox",value:function(){this._cubeCamera=new s["default"].CubeCamera(1,2e6,128);var e=this._cubeCamera.renderTarget;this._sky=new l["default"],this._skyScene=new s["default"].Scene,this._skyScene.add(this._sky.mesh),this._sunSphere=new s["default"].Mesh(new s["default"].SphereBufferGeometry(2e3,16,8),new s["default"].MeshBasicMaterial({color:16777215}));var t={cubemap:{type:"t",value:e}},n=new s["default"].ShaderMaterial({uniforms:t,vertexShader:h.vertexShader,fragmentShader:h.fragmentShader,side:s["default"].BackSide});this._mesh=new s["default"].Mesh(new s["default"].BoxGeometry(19e4,19e4,19e4),n),this._updateSkybox=!0}},{key:"_updateUniforms",value:function(){var e=this._settings,t=this._sky.uniforms;t.turbidity.value=e.turbidity,t.reileigh.value=e.reileigh,t.luminance.value=e.luminance,t.mieCoefficient.value=e.mieCoefficient,t.mieDirectionalG.value=e.mieDirectionalG;var n=Math.PI*(e.inclination-.5),r=2*Math.PI*(e.azimuth-.5);this._sunSphere.position.x=e.distance*Math.cos(r),this._sunSphere.position.y=e.distance*Math.sin(r)*Math.sin(n),this._sunSphere.position.z=e.distance*Math.sin(r)*Math.cos(n),this._light.position.copy(this._sunSphere.position),this._sky.uniforms.sunPosition.value.copy(this._sunSphere.position)}},{key:"_update",value:function(e){this._updateSkybox&&(this._updateSkybox=!1,this._light.intensity=1-.95*(this._settings.inclination/.5),this._updateUniforms(),this._cubeCamera.updateCubeMap(this._world._engine._renderer,this._skyScene))}},{key:"getRenderTarget",value:function(){return 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d=function(e,t){return new p(e,t)};t.skybox=d},function(e,t,n){function r(e){return e&&e.__esModule?e:{"default":e}}Object.defineProperty(t,"__esModule",{value:!0});var i=n(24),o=r(i);o["default"].ShaderLib.sky={uniforms:{luminance:{type:"f",value:1},turbidity:{type:"f",value:2},reileigh:{type:"f",value:1},mieCoefficient:{type:"f",value:.005},mieDirectionalG:{type:"f",value:.8},sunPosition:{type:"v3",value:new o["default"].Vector3}},vertexShader:["varying vec3 vWorldPosition;","void main() {","vec4 worldPosition = modelMatrix * vec4( position, 1.0 );","vWorldPosition = worldPosition.xyz;","gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );","}"].join("\n"),fragmentShader:["uniform sampler2D skySampler;","uniform vec3 sunPosition;","varying vec3 vWorldPosition;","vec3 cameraPos = vec3(0., 0., 0.);","// uniform sampler2D sDiffuse;","// const float turbidity = 10.0; //","// const float reileigh = 2.; //","// const float luminance = 1.0; //","// const float 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(1.0-sunfade));","vec3 sunDirection = normalize(sunPosition);","float sunE = sunIntensity(dot(sunDirection, up));","// extinction (absorbtion + out scattering) ","// rayleigh coefficients","vec3 betaR = simplifiedRayleigh() * reileighCoefficient;","// mie coefficients","vec3 betaM = totalMie(lambda, K, turbidity) * mieCoefficient;","// optical length","// cutoff angle at 90 to avoid singularity in next formula.","float zenithAngle = acos(max(0.0, dot(up, normalize(vWorldPosition - cameraPos))));","float sR = rayleighZenithLength / (cos(zenithAngle) + 0.15 * pow(93.885 - ((zenithAngle * 180.0) / pi), -1.253));","float sM = mieZenithLength / (cos(zenithAngle) + 0.15 * pow(93.885 - ((zenithAngle * 180.0) / pi), -1.253));","// combined extinction factor ","vec3 Fex = exp(-(betaR * sR + betaM * sM));","// in scattering","float cosTheta = dot(normalize(vWorldPosition - cameraPos), sunDirection);","float rPhase = rayleighPhase(cosTheta*0.5+0.5);","vec3 betaRTheta = betaR * rPhase;","float mPhase = hgPhase(cosTheta, mieDirectionalG);","vec3 betaMTheta = betaM * mPhase;","vec3 Lin = pow(sunE * ((betaRTheta + betaMTheta) / (betaR + betaM)) * (1.0 - Fex),vec3(1.5));","Lin *= mix(vec3(1.0),pow(sunE * ((betaRTheta + betaMTheta) / (betaR + betaM)) * Fex,vec3(1.0/2.0)),clamp(pow(1.0-dot(up, sunDirection),5.0),0.0,1.0));","//nightsky","vec3 direction = normalize(vWorldPosition - cameraPos);","float theta = acos(direction.y); // elevation --> y-axis, [-pi/2, pi/2]","float phi = atan(direction.z, direction.x); // azimuth --> x-axis [-pi/2, pi/2]","vec2 uv = vec2(phi, theta) / vec2(2.0*pi, pi) + vec2(0.5, 0.0);","// vec3 L0 = texture2D(skySampler, uv).rgb+0.1 * Fex;","vec3 L0 = vec3(0.1) * Fex;","// composition + solar disc","//if (cosTheta > sunAngularDiameterCos)","float sundisk = smoothstep(sunAngularDiameterCos,sunAngularDiameterCos+0.00002,cosTheta);","// if (normalize(vWorldPosition - cameraPos).y>0.0)","L0 += (sunE * 19000.0 * Fex)*sundisk;","vec3 whiteScale = 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e=this.options.direction,t=[];return e&Ne&&t.push(lt),e&qe&&t.push(ut),t},directionTest:function(e){var t=this.options,n=!0,r=e.distance,i=e.direction,o=e.deltaX,a=e.deltaY;return i&t.direction||(t.direction&Ne?(i=0===o?Re:0>o?De:Ie,n=o!=this.pX,r=Math.abs(e.deltaX)):(i=0===a?Re:0>a?ze:Fe,n=a!=this.pY,r=Math.abs(e.deltaY))),e.direction=i,n&&r>t.threshold&&i&t.direction},attrTest:function(e){return ee.prototype.attrTest.call(this,e)&&(this.state&ft||!(this.state&ft)&&this.directionTest(e))},emit:function(e){this.pX=e.deltaX,this.pY=e.deltaY;var t=$(e.direction);t&&(e.additionalEvent=this.options.event+t),this._super.emit.call(this,e)}}),h(ne,ee,{defaults:{event:"pinch",threshold:0,pointers:2},getTouchAction:function(){return[st]},attrTest:function(e){return this._super.attrTest.call(this,e)&&(Math.abs(e.scale-1)>this.options.threshold||this.state&ft)},emit:function(e){if(1!==e.scale){var t=e.scale<1?"in":"out";e.additionalEvent=this.options.event+t}this._super.emit.call(this,e)}}),h(re,J,{defaults:{event:"press",pointers:1,time:251,threshold:9},getTouchAction:function(){return[ot]},process:function(e){var t=this.options,n=e.pointers.length===t.pointers,r=e.distance<t.threshold,i=e.deltaTime>t.time;if(this._input=e,!r||!n||e.eventType&(Ce|Ae)&&!i)this.reset();else if(e.eventType&Se)this.reset(),this._timer=u(function(){this.state=dt,this.tryEmit()},t.time,this);else if(e.eventType&Ce)return dt;return yt},reset:function(){clearTimeout(this._timer)},emit:function(e){this.state===dt&&(e&&e.eventType&Ce?this.manager.emit(this.options.event+"up",e):(this._input.timeStamp=me(),this.manager.emit(this.options.event,this._input)))}}),h(ie,ee,{defaults:{event:"rotate",threshold:0,pointers:2},getTouchAction:function(){return[st]},attrTest:function(e){return 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n,r=this.recognizers,i=t.curRecognizer;(!i||i&&i.state&dt)&&(i=t.curRecognizer=null);for(var o=0;o<r.length;)n=r[o],t.stopped===_t||i&&n!=i&&!n.canRecognizeWith(i)?n.reset():n.recognize(e),!i&&n.state&(ft|ht|pt)&&(i=t.curRecognizer=n),o++}},get:function(e){if(e instanceof J)return e;for(var t=this.recognizers,n=0;n<t.length;n++)if(t[n].options.event==e)return t[n];return null},add:function(e){if(l(e,"add",this))return this;var t=this.get(e.options.event);return t&&this.remove(t),this.recognizers.push(e),e.manager=this,this.touchAction.update(),e},remove:function(e){if(l(e,"remove",this))return this;if(e=this.get(e)){var t=this.recognizers,n=x(t,e);-1!==n&&(t.splice(n,1),this.touchAction.update())}return this},on:function(e,t){var n=this.handlers;return c(b(e),function(e){n[e]=n[e]||[],n[e].push(t)}),this},off:function(e,t){var n=this.handlers;return c(b(e),function(e){t?n[e]&&n[e].splice(x(n[e],t),1):delete n[e]}),this},emit:function(e,t){this.options.domEvents&&ce(e,t);var n=this.handlers[e]&&this.handlers[e].slice();if(n&&n.length){t.type=e,t.preventDefault=function(){t.srcEvent.preventDefault()};for(var r=0;r<n.length;)n[r](t),r++}},destroy:function(){this.element&&le(this,!1),this.handlers={},this.session={},this.input.destroy(),this.element=null}},fe(se,{INPUT_START:Se,INPUT_MOVE:Le,INPUT_END:Ce,INPUT_CANCEL:Ae,STATE_POSSIBLE:ct,STATE_BEGAN:ft,STATE_CHANGED:ht,STATE_ENDED:pt,STATE_RECOGNIZED:dt,STATE_CANCELLED:vt,STATE_FAILED:yt,DIRECTION_NONE:Re,DIRECTION_LEFT:De,DIRECTION_RIGHT:Ie,DIRECTION_UP:ze,DIRECTION_DOWN:Fe,DIRECTION_HORIZONTAL:Ne,DIRECTION_VERTICAL:qe,DIRECTION_ALL:We,Manager:ue,Input:T,TouchAction:X,TouchInput:V,MouseInput:W,PointerEventInput:H,TouchMouseInput:Z,SingleTouchInput:U,Recognizer:J,AttrRecognizer:ee,Tap:ae,Pan:te,Swipe:oe,Pinch:ne,Rotate:ie,Press:re,on:y,off:m,each:c,merge:ge,extend:_e,assign:fe,inherit:h,bindFn:p,prefixed:O});var gt="undefined"!=typeof i?i:"undefined"!=typeof self?self:{};gt.Hammer=se,r=function(){return 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