/**Released Version v3.0.9,BUILD 172,Time 1650883380531. Fengmap Javascript SDK , see: https://www.fengmap.com for details**/
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t<=i?0:s<=t?1:(t=(t-i)/(s-i))*t*(3-2*t)},smootherstep:function(t,i,s){return t<=i?0:s<=t?1:(t=(t-i)/(s-i))*t*t*(t*(6*t-15)+10)},randInt:function(t,i){return t+Math.floor(Math.random()*(i-t+1))},randFloat:function(t,i){return t+Math.random()*(i-t)},randFloatSpread:function(t){return t*(.5-Math.random())},seededRandom:function(t){return((n=16807*(n=void 0!==t?t%2147483647:n)%2147483647)-1)/2147483646},degToRad:function(t){return t*r.DEG2RAD},radToDeg:function(t){return t*r.RAD2DEG},isPowerOfTwo:function(t){return 0==(t&t-1)&&0!==t},ceilPowerOfTwo:function(t){return Math.pow(2,Math.ceil(Math.log(t)/Math.LN2))},floorPowerOfTwo:function(t){return Math.pow(2,Math.floor(Math.log(t)/Math.LN2))},setQuaternionFromProperEuler:function(t,i,s,h,e){var n=Math.cos,r=Math.sin,u=n(s/2),a=r(s/2),o=n((i+h)/2),l=r((i+h)/2),c=n((i-h)/2),f=r((i-h)/2),v=n((h-i)/2),y=r((h-i)/2);switch(e){case"XYX":t.set(u*l,a*c,a*f,u*o);break;case"YZY":t.set(a*f,u*l,a*c,u*o);break;case"ZXZ":t.set(a*c,a*f,u*l,u*o);break;case"XZX":t.set(u*l,a*y,a*v,u*o);break;case"YXY":t.set(a*v,u*l,a*y,u*o);break;case"ZYZ":t.set(a*y,a*v,u*l,u*o);break;default:console.warn("THREE.MathUtils: .setQuaternionFromProperEuler() encountered an unknown order: "+e)}}};function u(t,i){for(var s=0;s<i.length;s++){var h=i[s];h.enumerable=h.enumerable||!1,h.configurable=!0,"value"in h&&(h.writable=!0),Object.defineProperty(t,h.key,h)}}var a=function(){function e(){var t=0<arguments.length&&void 0!==arguments[0]?arguments[0]:0,i=1<arguments.length&&void 0!==arguments[1]?arguments[1]:0,s=2<arguments.length&&void 0!==arguments[2]?arguments[2]:0,h=3<arguments.length&&void 0!==arguments[3]?arguments[3]:1;!function(t,i){if(!(t instanceof i))throw new TypeError("Cannot call a class as a 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this.e},set:function(t){this.e=t,this.f()}},{key:"z",get:function(){return this.u},set:function(t){this.u=t,this.f()}},{key:"w",get:function(){return this.a},set:function(t){this.a=t,this.f()}},{key:"set",value:function(t,i,s,h){return this.h=t,this.e=i,this.u=s,this.a=h,this.f(),this}},{key:"clone",value:function(){return new this.constructor(this.h,this.e,this.u,this.a)}},{key:"copy",value:function(t){return this.h=t.x,this.e=t.y,this.u=t.z,this.a=t.w,this.f(),this}},{key:"setFromEuler",value:function(t,i){if(!t||!t.isEuler)throw new Error("THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.");var s=t.h,h=t.e,e=t.u,n=t.v,r=Math.cos,t=Math.sin,u=r(s/2),a=r(h/2),o=r(e/2),l=t(s/2),c=t(h/2),f=t(e/2);switch(n){case"XYZ":this.h=l*a*o+u*c*f,this.e=u*c*o-l*a*f,this.u=u*a*f+l*c*o,this.a=u*a*o-l*c*f;break;case"YXZ":this.h=l*a*o+u*c*f,this.e=u*c*o-l*a*f,this.u=u*a*f-l*c*o,this.a=u*a*o+l*c*f;break;case"ZXY":this.h=l*a*o-u*c*f,this.e=u*c*o+l*a*f,this.u=u*a*f+l*c*o,this.a=u*a*o-l*c*f;break;case"ZYX":this.h=l*a*o-u*c*f,this.e=u*c*o+l*a*f,this.u=u*a*f-l*c*o,this.a=u*a*o+l*c*f;break;case"YZX":this.h=l*a*o+u*c*f,this.e=u*c*o+l*a*f,this.u=u*a*f-l*c*o,this.a=u*a*o-l*c*f;break;case"XZY":this.h=l*a*o-u*c*f,this.e=u*c*o-l*a*f,this.u=u*a*f+l*c*o,this.a=u*a*o+l*c*f;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+n)}return!1!==i&&this.f(),this}},{key:"setFromAxisAngle",value:function(t,i){var s=i/2,i=Math.sin(s);return this.h=t.x*i,this.e=t.y*i,this.u=t.z*i,this.a=Math.cos(s),this.f(),this}},{key:"setFromRotationMatrix",value:function(t){var i,s=t.elements,h=s[0],e=s[4],n=s[8],r=s[1],u=s[5],a=s[9],o=s[2],l=s[6],t=s[10],s=h+u+t;return 0<s?(s=.5/Math.sqrt(s+1),this.a=.25/s,this.h=(l-a)*s,this.e=(n-o)*s,this.u=(r-e)*s):u<h&&t<h?(i=2*Math.sqrt(1+h-u-t),this.a=(l-a)/i,this.h=.25*i,this.e=(e+r)/i,this.u=(n+o)/i):t<u?(i=2*Math.sqrt(1+u-h-t),this.a=(n-o)/i,this.h=(e+r)/i,this.e=.25*i,this.u=(a+l)/i):(u=2*Math.sqrt(1+t-h-u),this.a=(r-e)/u,this.h=(n+o)/u,this.e=(a+l)/u,this.u=.25*u),this.f(),this}},{key:"setFromUnitVectors",value:function(t,i){var s=t.dot(i)+1;return s<1e-6?(s=0,Math.abs(t.x)>Math.abs(t.z)?(this.h=-t.y,this.e=t.x,this.u=0):(this.h=0,this.e=-t.z,this.u=t.y)):(this.h=t.y*i.z-t.z*i.y,this.e=t.z*i.x-t.x*i.z,this.u=t.x*i.y-t.y*i.x),this.a=s,this.normalize()}},{key:"angleTo",value:function(t){return 2*Math.acos(Math.abs(r.clamp(this.dot(t),-1,1)))}},{key:"rotateTowards",value:function(t,i){var s=this.angleTo(t);if(0===s)return this;s=Math.min(1,i/s);return this.slerp(t,s),this}},{key:"identity",value:function(){return this.set(0,0,0,1)}},{key:"invert",value:function(){return this.conjugate()}},{key:"conjugate",value:function(){return this.h*=-1,this.e*=-1,this.u*=-1,this.f(),this}},{key:"dot",value:function(t){return this.h*t.h+this.e*t.e+this.u*t.u+this.a*t.a}},{key:"lengthSq",value:function(){return this.h*this.h+this.e*this.e+this.u*this.u+this.a*this.a}},{key:"length",value:function(){return Math.sqrt(this.h*this.h+this.e*this.e+this.u*this.u+this.a*this.a)}},{key:"normalize",value:function(){var t=this.length();return 0===t?(this.h=0,this.e=0,this.u=0,this.a=1):(this.h=this.h*(t=1/t),this.e=this.e*t,this.u=this.u*t,this.a=this.a*t),this.f(),this}},{key:"multiply",value:function(t,i){return void 0!==i?(console.warn("THREE.Quaternion: .multiply() now only accepts one argument. 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