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1 lines
13 KiB
define(["exports","./when-cbf8cd21","./Check-35e1a91d","./Math-6a1814d8","./Cartesian2-c451a606","./Transforms-e4be2a30"],function(a,q,t,z,T,U){"use strict";var W={};function C(a,t,e){var r=a+t;return z.CesiumMath.sign(a)!==z.CesiumMath.sign(t)&&Math.abs(r/Math.max(Math.abs(a),Math.abs(t)))<e?0:r}W.computeDiscriminant=function(a,t,e){return t*t-4*a*e},W.computeRealRoots=function(a,t,e){var r;if(0===a)return 0===t?[]:[-e/t];if(0===t){if(0===e)return[0,0];var n=Math.abs(e),i=Math.abs(a);if(n<i&&n/i<z.CesiumMath.EPSILON14)return[0,0];if(i<n&&i/n<z.CesiumMath.EPSILON14)return[];if((r=-e/a)<0)return[];var s=Math.sqrt(r);return[-s,s]}if(0===e)return(r=-t/a)<0?[r,0]:[0,r];var o=C(t*t,-(4*a*e),z.CesiumMath.EPSILON14);if(o<0)return[];var u=-.5*C(t,z.CesiumMath.sign(t)*Math.sqrt(o),z.CesiumMath.EPSILON14);return 0<t?[u/a,e/u]:[e/u,u/a]};var N={};function o(a,t,e,r){var n,i,s=a,o=t/3,u=e/3,C=r,c=s*u,l=o*C,h=o*o,M=u*u,f=s*u-h,m=s*C-o*u,d=o*C-M,v=4*f*d-m*m;if(v<0){var g,p,w,R=-((w=c*M<=h*l?-2*o*(p=f)+(g=s)*m:-(g=C)*m+2*u*(p=d))<0?-1:1)*Math.abs(g)*Math.sqrt(-v),S=(i=R-w)/2,O=S<0?-Math.pow(-S,1/3):Math.pow(S,1/3),x=i===R?-O:-p/O;return n=p<=0?O+x:-w/(O*O+x*x+p),c*M<=h*l?[(n-o)/s]:[-C/(n+u)]}var y=f,P=-2*o*f+s*m,b=d,N=-C*m+2*u*d,q=Math.sqrt(v),L=Math.sqrt(3)/2,I=Math.abs(Math.atan2(s*q,-P)/3);n=2*Math.sqrt(-y);var E=Math.cos(I);i=n*E;var z=n*(-E/2-L*Math.sin(I)),T=2*o<i+z?i-o:z-o,U=s,W=T/U;I=Math.abs(Math.atan2(C*q,-N)/3);var B=-C,V=(i=(n=2*Math.sqrt(-b))*(E=Math.cos(I)))+(z=n*(-E/2-L*Math.sin(I)))<2*u?i+u:z+u,Z=B/V,A=-T*V-U*B,D=(u*A-o*(T*B))/(-o*A+u*(U*V));return W<=D?W<=Z?D<=Z?[W,D,Z]:[W,Z,D]:[Z,W,D]:W<=Z?[D,W,Z]:D<=Z?[D,Z,W]:[Z,D,W]}N.computeDiscriminant=function(a,t,e,r){var n=t*t,i=e*e;return 18*a*t*e*r+n*i-27*(a*a)*(r*r)-4*(a*i*e+n*t*r)},N.computeRealRoots=function(a,t,e,r){var n,i;if(0===a)return W.computeRealRoots(t,e,r);if(0!==t)return 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c<1?(e=c-1,i=l*l-(n=(r=T.Cartesian3.magnitudeSquared(C))*e),s=-l+Math.sqrt(i),new U.Interval(0,s/r)):l<0?(r=T.Cartesian3.magnitudeSquared(C),new U.Interval(0,-l/r)):void 0};var L=new T.Cartesian3,I=new T.Cartesian3,E=new T.Cartesian3,Z=new T.Cartesian3,A=new T.Cartesian3,D=new U.Matrix3,k=new U.Matrix3,F=new U.Matrix3,G=new U.Matrix3,Y=new U.Matrix3,_=new U.Matrix3,j=new U.Matrix3,H=new T.Cartesian3,J=new T.Cartesian3,K=new T.Cartographic;h.grazingAltitudeLocation=function(a,t){var e=a.origin,r=a.direction;if(!T.Cartesian3.equals(e,T.Cartesian3.ZERO)){var n=t.geodeticSurfaceNormal(e,L);if(0<=T.Cartesian3.dot(r,n))return e}var i=q.defined(this.rayEllipsoid(a,t)),s=t.transformPositionToScaledSpace(r,L),o=T.Cartesian3.normalize(s,s),u=T.Cartesian3.mostOrthogonalAxis(s,Z),C=T.Cartesian3.normalize(T.Cartesian3.cross(u,o,I),I),c=T.Cartesian3.normalize(T.Cartesian3.cross(o,C,E),E),l=D;l[0]=o.x,l[1]=o.y,l[2]=o.z,l[3]=C.x,l[4]=C.y,l[5]=C.z,l[6]=c.x,l[7]=c.y,l[8]=c.z;var 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P=T.Cartesian3.normalize(T.Cartesian3.subtract(d,e,Z),Z),b=T.Cartesian3.dot(P,r);x<b&&(x=b,O=T.Cartesian3.clone(d,O))}var N=t.cartesianToCartographic(O,K);return x=z.CesiumMath.clamp(x,0,1),v=T.Cartesian3.magnitude(T.Cartesian3.subtract(O,e,Z))*Math.sqrt(1-x*x),v=i?-v:v,N.height=v,t.cartographicToCartesian(N,new T.Cartesian3)}};var O=new T.Cartesian3;h.lineSegmentPlane=function(a,t,e,r){q.defined(r)||(r=new T.Cartesian3);var n=T.Cartesian3.subtract(t,a,O),i=e.normal,s=T.Cartesian3.dot(i,n);if(!(Math.abs(s)<z.CesiumMath.EPSILON6)){var o=T.Cartesian3.dot(i,a),u=-(e.distance+o)/s;if(!(u<0||1<u))return T.Cartesian3.multiplyByScalar(n,u,r),T.Cartesian3.add(a,r,r),r}},h.trianglePlaneIntersection=function(a,t,e,r){var n,i,s=r.normal,o=r.distance,u=T.Cartesian3.dot(s,a)+o<0,C=T.Cartesian3.dot(s,t)+o<0,c=T.Cartesian3.dot(s,e)+o<0,l=0;if(l+=u?1:0,l+=C?1:0,1!=(l+=c?1:0)&&2!=l||(n=new T.Cartesian3,i=new T.Cartesian3),1==l){if(u)return h.lineSegmentPlane(a,t,r,n),h.lineSegmentPlane(a,e,r,i),{positions:[a,t,e,n,i],indices:[0,3,4,1,2,4,1,4,3]};if(C)return h.lineSegmentPlane(t,e,r,n),h.lineSegmentPlane(t,a,r,i),{positions:[a,t,e,n,i],indices:[1,3,4,2,0,4,2,4,3]};if(c)return h.lineSegmentPlane(e,a,r,n),h.lineSegmentPlane(e,t,r,i),{positions:[a,t,e,n,i],indices:[2,3,4,0,1,4,0,4,3]}}else if(2==l){if(!u)return h.lineSegmentPlane(t,a,r,n),h.lineSegmentPlane(e,a,r,i),{positions:[a,t,e,n,i],indices:[1,2,4,1,4,3,0,3,4]};if(!C)return h.lineSegmentPlane(e,t,r,n),h.lineSegmentPlane(a,t,r,i),{positions:[a,t,e,n,i],indices:[2,0,4,2,4,3,1,3,4]};if(!c)return h.lineSegmentPlane(a,e,r,n),h.lineSegmentPlane(t,e,r,i),{positions:[a,t,e,n,i],indices:[0,1,4,0,4,3,2,3,4]}}},a.IntersectionTests=h,a.Ray=e});
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