bmh_cesium/public/lib/cesiumjs/CesiumUnminified/Workers/IntersectionTests-459f6f08.js

/* 2020-9-22 15:23:24 | 版权所有 军懋国兴  */
define(["exports","./when-cbf8cd21","./Check-35e1a91d","./Math-69007a69","./Cartesian2-43e3a3be","./Transforms-2d1ac5ec"],function(e,x,P,z,T,U){"use strict";var W={};function d(e,r,t){var a=e+r;return z.CesiumMath.sign(e)!==z.CesiumMath.sign(r)&&Math.abs(a/Math.max(Math.abs(e),Math.abs(r)))<t?0:a}W.computeDiscriminant=function(e,r,t){if("number"!=typeof e)throw new P.DeveloperError("a is a required number.");if("number"!=typeof r)throw new P.DeveloperError("b is a required number.");if("number"!=typeof t)throw new P.DeveloperError("c is a required number.");return r*r-4*e*t},W.computeRealRoots=function(e,r,t){if("number"!=typeof e)throw new P.DeveloperError("a is a required number.");if("number"!=typeof r)throw new P.DeveloperError("b is a required number.");if("number"!=typeof t)throw new P.DeveloperError("c is a required number.");var a;if(0===e)return 0===r?[]:[-t/r];if(0===r){if(0===t)return[0,0];var 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n,o=a*a,s=i*i,u=(e[U.Matrix3.COLUMN1ROW1]-e[U.Matrix3.COLUMN2ROW2])*s,d=i*(a*V(e[U.Matrix3.COLUMN1ROW0],e[U.Matrix3.COLUMN0ROW1],z.CesiumMath.EPSILON15)+r.y),f=e[U.Matrix3.COLUMN0ROW0]*o+e[U.Matrix3.COLUMN2ROW2]*s+a*r.x+t,l=s*V(e[U.Matrix3.COLUMN2ROW1],e[U.Matrix3.COLUMN1ROW2],z.CesiumMath.EPSILON15),h=i*(a*V(e[U.Matrix3.COLUMN2ROW0],e[U.Matrix3.COLUMN0ROW2])+r.z),m=[];if(0==h&&0==l){if(0===(n=W.computeRealRoots(u,d,f)).length)return m;var p,c,C=n[0],w=Math.sqrt(Math.max(1-C*C,0));return m.push(new T.Cartesian3(a,i*C,i*-w)),m.push(new T.Cartesian3(a,i*C,i*w)),2===n.length&&(p=n[1],c=Math.sqrt(Math.max(1-p*p,0)),m.push(new T.Cartesian3(a,i*p,i*-c)),m.push(new T.Cartesian3(a,i*p,i*c))),m}var v=h*h,M=l*l,b=h*l,g=u*u+M,q=2*(d*u+b),E=2*f*u+d*d-M+v,y=2*(f*d-b),D=f*f-v;if(0==g&&0==q&&0==E&&0==y)return m;var R=(n=B.computeRealRoots(g,q,E,y,D)).length;if(0===R)return m;for(var S=0;S<R;++S){var 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O=n?-O:O,S.height=O,r.cartographicToCartesian(S,new T.Cartesian3)}};var E=new T.Cartesian3;h.lineSegmentPlane=function(e,r,t,a){if(!x.defined(e))throw new P.DeveloperError("endPoint0 is required.");if(!x.defined(r))throw new P.DeveloperError("endPoint1 is required.");if(!x.defined(t))throw new P.DeveloperError("plane is required.");x.defined(a)||(a=new T.Cartesian3);var i=T.Cartesian3.subtract(r,e,E),n=t.normal,o=T.Cartesian3.dot(n,i);if(!(Math.abs(o)<z.CesiumMath.EPSILON6)){var s=T.Cartesian3.dot(n,e),u=-(t.distance+s)/o;if(!(u<0||1<u))return T.Cartesian3.multiplyByScalar(i,u,a),T.Cartesian3.add(e,a,a),a}},h.trianglePlaneIntersection=function(e,r,t,a){if(!(x.defined(e)&&x.defined(r)&&x.defined(t)&&x.defined(a)))throw new P.DeveloperError("p0, p1, p2, and plane are required.");var i,n,o=a.normal,s=a.distance,u=T.Cartesian3.dot(o,e)+s<0,d=T.Cartesian3.dot(o,r)+s<0,f=T.Cartesian3.dot(o,t)+s<0,l=0;if(l+=u?1:0,l+=d?1:0,1!=(l+=f?1:0)&&2!=l||(i=new T.Cartesian3,n=new T.Cartesian3),1==l){if(u)return h.lineSegmentPlane(e,r,a,i),h.lineSegmentPlane(e,t,a,n),{positions:[e,r,t,i,n],indices:[0,3,4,1,2,4,1,4,3]};if(d)return h.lineSegmentPlane(r,t,a,i),h.lineSegmentPlane(r,e,a,n),{positions:[e,r,t,i,n],indices:[1,3,4,2,0,4,2,4,3]};if(f)return h.lineSegmentPlane(t,e,a,i),h.lineSegmentPlane(t,r,a,n),{positions:[e,r,t,i,n],indices:[2,3,4,0,1,4,0,4,3]}}else if(2==l){if(!u)return h.lineSegmentPlane(r,e,a,i),h.lineSegmentPlane(t,e,a,n),{positions:[e,r,t,i,n],indices:[1,2,4,1,4,3,0,3,4]};if(!d)return h.lineSegmentPlane(t,r,a,i),h.lineSegmentPlane(e,r,a,n),{positions:[e,r,t,i,n],indices:[2,0,4,2,4,3,1,3,4]};if(!f)return h.lineSegmentPlane(e,t,a,i),h.lineSegmentPlane(r,t,a,n),{positions:[e,r,t,i,n],indices:[0,1,4,0,4,3,2,3,4]}}},e.IntersectionTests=h,e.Ray=t});