define(["exports","./when-cbf8cd21","./Check-35e1a91d","./Math-e66fad2a","./Cartesian2-44433f55","./Matrix3-146a3f23"],function(t,q,a,W,T,U){"use strict";var B={};function h(t,a,e){var r=t+a;return W.CesiumMath.sign(t)!==W.CesiumMath.sign(a)&&Math.abs(r/Math.max(Math.abs(t),Math.abs(a)))<e?0:r}B.computeDiscriminant=function(t,a,e){return a*a-4*t*e},B.computeRealRoots=function(t,a,e){var r;if(0===t)return 0===a?[]:[-e/a];if(0===a){if(0===e)return[0,0];var n=Math.abs(e),i=Math.abs(t);if(n<i&&n/i<W.CesiumMath.EPSILON14)return[0,0];if(i<n&&i/n<W.CesiumMath.EPSILON14)return[];if((r=-e/t)<0)return[];var s=Math.sqrt(r);return[-s,s]}if(0===e)return(r=-a/t)<0?[r,0]:[0,r];var o=h(a*a,-(4*t*e),W.CesiumMath.EPSILON14);if(o<0)return[];var u=-.5*h(a,W.CesiumMath.sign(a)*Math.sqrt(o),W.CesiumMath.EPSILON14);return 0<a?[u/t,e/u]:[e/u,u/t]};var N={};function o(t,a,e,r){var n=t,i=a/3,s=e/3,o=r,u=n*s,h=i*o,l=i*i,c=s*s,C=n*s-l,d=n*o-i*s,f=i*o-c,M=4*C*f-d*d;if(M<0){var 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O=T.Cartesian3.normalize(T.Cartesian3.subtract(g,e,z),z),y=T.Cartesian3.dot(O,r);S<y&&(S=y,x=T.Cartesian3.clone(g,x))}var P=a.cartesianToCartographic(x,K),S=W.CesiumMath.clamp(S,0,1),N=T.Cartesian3.magnitude(T.Cartesian3.subtract(x,e,z))*Math.sqrt(1-S*S);return N=i?-N:N,P.height=N,a.cartographicToCartesian(P,new T.Cartesian3)}};var S=new T.Cartesian3;function b(t,a){for(var e,r,n=0,i=a.length,s=a[0],o=1;o<=i;o++)r=a[o%i],t[0]>Math.min(s[0],r[0])&&t[0]<=Math.max(s[0],r[0])&&t[1]<=Math.max(s[1],r[1])&&s[0]!==r[0]&&(e=(t[0]-s[0])*(r[1]-s[1])/(r[0]-s[0])+s[1],(s[1]===r[1]||t[1]<=e)&&n++),s=r;return n%2}C.lineSegmentPlane=function(t,a,e,r){q.defined(r)||(r=new T.Cartesian3);var n=T.Cartesian3.subtract(a,t,S),i=e.normal,s=T.Cartesian3.dot(i,n);if(!(Math.abs(s)<W.CesiumMath.EPSILON6)){var o=T.Cartesian3.dot(i,t),u=-(e.distance+o)/s;if(!(u<0||1<u))return T.Cartesian3.multiplyByScalar(n,u,r),T.Cartesian3.add(t,r,r),r}},C.trianglePlaneIntersection=function(t,a,e,r){var n,i,s=r.normal,o=r.distance,u=T.Cartesian3.dot(s,t)+o<0,h=T.Cartesian3.dot(s,a)+o<0,l=T.Cartesian3.dot(s,e)+o<0,c=0;if(c+=u?1:0,c+=h?1:0,1!=(c+=l?1:0)&&2!=c||(n=new T.Cartesian3,i=new T.Cartesian3),1==c){if(u)return C.lineSegmentPlane(t,a,r,n),C.lineSegmentPlane(t,e,r,i),{positions:[t,a,e,n,i],indices:[0,3,4,1,2,4,1,4,3]};if(h)return C.lineSegmentPlane(a,e,r,n),C.lineSegmentPlane(a,t,r,i),{positions:[t,a,e,n,i],indices:[1,3,4,2,0,4,2,4,3]};if(l)return C.lineSegmentPlane(e,t,r,n),C.lineSegmentPlane(e,a,r,i),{positions:[t,a,e,n,i],indices:[2,3,4,0,1,4,0,4,3]}}else if(2==c){if(!u)return C.lineSegmentPlane(a,t,r,n),C.lineSegmentPlane(e,t,r,i),{positions:[t,a,e,n,i],indices:[1,2,4,1,4,3,0,3,4]};if(!h)return C.lineSegmentPlane(e,a,r,n),C.lineSegmentPlane(t,a,r,i),{positions:[t,a,e,n,i],indices:[2,0,4,2,4,3,1,3,4]};if(!l)return C.lineSegmentPlane(t,e,r,n),C.lineSegmentPlane(a,e,r,i),{positions:[t,a,e,n,i],indices:[0,1,4,0,4,3,2,3,4]}}},C.intersetRectangleWithConstraintRegion=function(t,a){if(!q.defined(t)||!q.defined(a))return-1;var r=Math.min(t.east,t.west),n=Math.max(t.east,t.west),i=Math.min(t.north,t.south),s=Math.max(t.north,t.south);function e(t){if(b([r,i],t))return 1;if(b([r,s],t))return 1;if(b([n,i],t))return 1;if(b([n,s],t))return 1;for(var a=[[r,i],[r,s],[n,s],[n,i]],e=0;e<t.length;e++)if(b(t[e],a))return 1}for(var o=0;o<a.length;o++){var u=a[o].minMaxRegion,h=u[0],l=u[1],c=u[2],C=u[3],d=Math.abs(r+n-h-l),f=Math.abs(r-n)+Math.abs(h-l),M=Math.abs(i+s-c-C),g=Math.abs(i-s)+Math.abs(c-C),m=a[o].constraintRegion;if(d<=f&&M<=g&&e(m))return o;if((h<=r&&r<=l&&c<=i&&i<=C||r<=h&&h<=n&&i<=c&&c<=s)&&e(m))return o}return-1},C.isCartographicInConstraintRegion=function(t,a,e){if(!q.defined(t||!q.defined(e)))return-1;var r;if(-1!==a&&(r=e[a].constraintRegion,b([t.longitude,t.latitude],r)))return a;for(var n=0;n<e.length;n++)if(n!==a&&(r=e[n].constraintRegion,b([t.longitude,t.latitude],r)))return n;return-1};var O=new T.Cartographic,y=new T.Cartographic,P=new T.Cartesian3,Q=new T.Cartesian3,X=new T.Cartesian3;C.interoplateCartographicWhenSmooth=function(t,a){if(!q.defined(a.interpolateCartographics))return a.height;var C=t.longitude,d=t.latitude;for(var e=[],r=a.constraintRegion.length,n=0;n<r;n++){var i=function(t,a){var e=1e4*C,r=1e4*d,n=1e4*t[0],i=1e4*t[1],s=1e4*a[0],o=1e4*a[1],u=s-n,h=o-i;if(Math.abs(u)<1e-6&&Math.abs(h)<1e-6)return{distance:1e10};if(Math.abs(u)<1e-6)return r>=Math.min(o,i)&&r<=Math.max(o,i)?{distance:(e-n)*(e-n),point:[n/1e4,d]}:{distance:1e10};if(Math.abs(h)<1e-6)return e>=Math.min(n,s)&&e<=Math.max(n,s)?{distance:(r-o)*(r-o),point:[C,o/1e4]}:{distance:1e10};var l=(h*n-u*i-(h*e-u*r))/(u*u+h*h),c=[h*l,-u*l];return{distance:c[0]*c[0]+c[1]*c[1],point:[(h*l+e)/1e4,(-u*l+r)/1e4]}}(a.constraintRegion[n],a.constraintRegion[(n+1)%r]);e.push({distance:i.distance,index:n,point:i.point})}if(e.sort(function(t,a){var e=t.distance,r=a.distance;return e<r?-1:r<e?1:0}),e.length<2||1e8<e[1].distance||1e8<e[0].distance)return a.height;O.longitude=e[0].point[0],O.latitude=e[0].point[1],y.longitude=e[1].point[0],y.latitude=e[1].point[1],P=T.Cartesian3.fromRadians(t.longitude,t.latitude),Q=T.Cartesian3.fromRadians(O.longitude,O.latitude),X=T.Cartesian3.fromRadians(y.longitude,y.latitude);for(var s,o,u=T.Cartesian3.distance(Q,P),h=T.Cartesian3.distance(X,P),l=0,c=0;c<a.interpolateCartographics.length;c++){var f=a.interpolateCartographics[c],M=a.interpolateCartographics[(c+1)%a.interpolateCartographics.length];if(0==(Math.abs(f.longitude-M.longitude)>Math.abs(f.latitude-M.latitude)?0:1)?(f.longitude<=C&&M.longitude>=C||f.longitude>=C&&M.longitude<=C)&&(s=Math.abs(C-f.longitude),o=Math.abs(C-M.longitude),y.height=(f.height*o+M.height*s)/(s+o),l++):(f.latitude<=d&&M.latitude>=d||f.latitude>=d&&M.latitude<=d)&&(s=Math.abs(d-f.latitude),o=Math.abs(d-M.latitude),O.height=(f.height*o+M.height*s)/(s+o),l++),2===l)break}if(2!==l)return a.height;var g=O.height-.5*u,m=y.height-.5*h;return g<m?m:g},t.IntersectionTests=C,t.Ray=e});