2 lines
13 KiB
JavaScript
2 lines
13 KiB
JavaScript
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define(["exports","./Matrix3-81054f0f","./defaultValue-f6d5e6da","./Transforms-20461479","./Math-2ce22ee9"],(function(t,n,e,a,i){"use strict";const r={};function s(t,n,e){const a=t+n;return i.CesiumMath.sign(t)!==i.CesiumMath.sign(n)&&Math.abs(a/Math.max(Math.abs(t),Math.abs(n)))<e?0:a}r.computeDiscriminant=function(t,n,e){return n*n-4*t*e},r.computeRealRoots=function(t,n,e){let a;if(0===t)return 0===n?[]:[-e/n];if(0===n){if(0===e)return[0,0];const n=Math.abs(e),r=Math.abs(t);if(n<r&&n/r<i.CesiumMath.EPSILON14)return[0,0];if(n>r&&r/n<i.CesiumMath.EPSILON14)return[];if(a=-e/t,a<0)return[];const s=Math.sqrt(a);return[-s,s]}if(0===e)return a=-n/t,a<0?[a,0]:[0,a];const r=s(n*n,-(4*t*e),i.CesiumMath.EPSILON14);if(r<0)return[];const o=-.5*s(n,i.CesiumMath.sign(n)*Math.sqrt(r),i.CesiumMath.EPSILON14);return n>0?[o/t,e/o]:[e/o,o/t]};var o=r;const c={};function u(t,n,e,a){const i=t,r=n/3,s=e/3,o=a,c=i*s,u=r*o,l=r*r,C=s*s,M=i*s-l,h=i*o-r*s,m=r*o-C,f=4*M*m-h*h;let d,g;if(f<0){let t,n,e;l*u>=c*C?(t=i,n=M,e=-2*r*M+i*h):(t=o,n=m,e=-o*h+2*s*m);const a=-(e<0?-1:1)*Math.abs(t)*Math.sqrt(-f);g=-e+a;const p=g/2,w=p<0?-Math.pow(-p,1/3):Math.pow(p,1/3),R=g===a?-w:-n/w;return d=n<=0?w+R:-e/(w*w+R*R+n),l*u>=c*C?[(d-r)/i]:[-o/(d+s)]}const p=M,w=-2*r*M+i*h,R=m,S=-o*h+2*s*m,O=Math.sqrt(f),x=Math.sqrt(3)/2;let y=Math.abs(Math.atan2(i*O,-w)/3);d=2*Math.sqrt(-p);let P=Math.cos(y);g=d*P;let N=d*(-P/2-x*Math.sin(y));const b=g+N>2*r?g-r:N-r,q=i,L=b/q;y=Math.abs(Math.atan2(o*O,-S)/3),d=2*Math.sqrt(-R),P=Math.cos(y),g=d*P,N=d*(-P/2-x*Math.sin(y));const I=-o,E=g+N<2*s?g+s:N+s,v=I/E,z=-b*E-q*I,T=(s*z-r*(b*I))/(-r*z+s*(q*E));return L<=T?L<=v?T<=v?[L,T,v]:[L,v,T]:[v,L,T]:L<=v?[T,L,v]:T<=v?[T,v,L]:[v,T,L]}c.computeDiscriminant=function(t,n,e,a){const i=n*n,r=e*e;return 18*t*n*e*a+i*r-27*(t*t)*(a*a)-4*(t*r*e+i*n*a)},c.computeRealRoots=function(t,n,e,a){let i,r;if(0===t)return o.computeRealRoots(n,e,a);if(0===n){if(0===e){if(0===a)return[0,0,0];r=-a/t;const n=r<0?-Math.pow(-r,1/3):Math.pow(r,1/3);return[n,n,n]}return 0===a?(i=o.computeRealRoots(t,0,e),0===i.Length?[0]:[i[0],0,i[1]]):u(t,0,e,a)}return 0===e?0===a?(r=-n/t,r<0?[r,0,0]:[0,0,r]):u(t,n,0,a):0===a?(i=o.computeRealRoots(t,n,e),0===i.length?[0]:i[1]<=0?[i[0],i[1],0]:i[0]>=0?[0,i[0],i[1]]:[i[0],0,i[1]]):u(t,n,e,a)};var l=c;const C={};function M(t,n,e,a){const r=t*t,s=n-3*r/8,c=e-n*t/2+r*t/8,u=a-e*t/4+n*r/16-3*r*r/256,C=l.computeRealRoots(1,2*s,s*s-4*u,-c*c);if(C.length>0){const n=-t/4,e=C[C.length-1];if(Math.abs(e)<i.CesiumMath.EPSILON14){const t=o.computeRealRoots(1,s,u);if(2===t.length){const e=t[0],a=t[1];let i;if(e>=0&&a>=0){const t=Math.sqrt(e),i=Math.sqrt(a);return[n-i,n-t,n+t,n+i]}if(e>=0&&a<0)return i=Math.sqrt(e),[n-i,n+i];if(e<0&&a>=0)return i=Math.sqrt(a),[n-i,n+i]}return[]}if(e>0){const t=Math.sqrt(e),a=(s+e-c/t)/2,i=(s+e+c/t)/2,r=o.computeRealRoots(1,t,a),u=o.computeRealRoots(1,-t,i);return 0!==r.length?(r[0]+=n,r[1]+=n,0!==u.length?(u[0]+=n,u[1]+=n,r[1]<=u[0]?[r[0],r[1],u[0],u[1]]:u[1]<=r[0]?[u[0],u[1],r[0],r[1]]:r[0]>=u[0]&&r[1]<=u[1]?[u[0],r[0],r[1],u[1]]:u[0]>=r[0]&&u[1]<=r[1]?[r[0],u[0],u[1],r[1]]:r[0]>u[0]&&r[0]<u[1]?[u[0],r[0],u[1],r[1]]:[r[0],u[0],r[1],u[1]]):r):0!==u.length?(u[0]+=n,u[1]+=n,u):[]}}return[]}function h(t,n,e,a){const r=t*t,s=-2*n,c=e*t+n*n-4*a,u=r*a-e*n*t+e*e,C=l.computeRealRoots(1,s,c,u);if(C.length>0){const s=C[0],c=n-s,u=c*c,l=t/2,M=c/2,h=u-4*a,m=u+4*Math.abs(a),f=r-4*s,d=r+4*Math.abs(s);let g,p,w,R,S,O;if(s<0||h*d<f*m){const n=Math.sqrt(f);g=n/2,p=0===n?0:(t*M-e)/n}else{const n=Math.sqrt(h);g=0===n?0:(t*M-e)/n,p=n/2}0===l&&0===g?(w=0,R=0):i.CesiumMath.sign(l)===i.CesiumMath.sign(g)?(w=l+g,R=s/w):(R=l-g,w=s/R),0===M&&0===p?(S=0,O=0):i.CesiumMath.sign(M)===i.CesiumMath.sign(p)?(S=M+p,O=a/S):(O=M-p,S=a/O);const x=o.computeRealRoots(1,w,S),y=o.computeRealRoots(1,R,O);if(0!==x.length)return 0!==y.length?x[1]<=y[0]?[x[0],x[1],y[0],y[1]]:y[1]<=x[0]?[y[0],y[1],x[0],x[1]]:x[0]>=y[0]&&x[1]<=y[1]?[y[0],x[0],x[1],y[1]]:y[0]>=x[0]&&y[1]<=x[1]?[x[0],y[0],y[1],x[1]]:x[0]>y[0]&&x[0]<y[1]?[y[0],x[0],y[1],x[1]]:[x[0],y[0],x[1],y[1]]:x;if(0!==y.length)return y}return[]}C.computeDis
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