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2 lines
8.4 KiB
2 lines
8.4 KiB
define(["./AttributeCompression-80665726","./Transforms-08771371","./Matrix2-47e98d76","./defaultValue-81eec7ed","./TerrainEncoding-133730d1","./IndexDatatype-f1dcdf35","./RuntimeError-8952249c","./ComponentDatatype-a15c9a19","./OrientedBoundingBox-89c095b4","./createTaskProcessorWorker","./_commonjsHelpers-3aae1032-26891ab7","./combine-3c023bda","./WebGLConstants-508b9636","./EllipsoidTangentPlane-aa2df207","./AxisAlignedBoundingBox-8b0fdc16","./IntersectionTests-bc78300e","./Plane-3f01019d"],(function(e,t,n,i,s,r,h,o,u,d,p,l,a,c,f,g,m){"use strict";const x={clipTriangleAtAxisAlignedThreshold:function(e,t,n,s,r,h){let o,u,d;i.defined(h)?h.length=0:h=[],t?(o=n<e,u=s<e,d=r<e):(o=n>e,u=s>e,d=r>e);const p=o+u+d;let l,a,c,f,g,m;return 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l=s-u,a=u-h,c=o-d,f=r-d,g=1/(c*l+a*f),m=t-d,x=e-u,w=(c*x+a*m)*g,C=(-f*x+l*m)*g,B=1-w-C;return i.defined(p)?(p.x=w,p.y=C,p.z=B,p):new n.Cartesian3(w,C,B)},computeLineSegmentLineSegmentIntersection:function(e,t,s,r,h,o,u,d,p){const l=(d-o)*(s-e)-(u-h)*(r-t);if(0===l)return;const a=((u-h)*(t-o)-(d-o)*(e-h))/l,c=((s-e)*(t-o)-(r-t)*(e-h))/l;return a>=0&&a<=1&&c>=0&&c<=1?(i.defined(p)||(p=new n.Cartesian2),p.x=e+a*(s-e),p.y=t+a*(r-t),p):void 0}},w=32767,C=16383,B=[],y=[],I=[],A=new n.Cartographic;let b=new n.Cartesian3;const v=[],T=[],z=[],V=[],M=[],N=new n.Cartesian3,E=new t.BoundingSphere,H=new u.OrientedBoundingBox,R=new n.Cartesian2,O=new n.Cartesian3;function S(){this.vertexBuffer=void 0,this.index=void 0,this.first=void 0,this.second=void 0,this.ratio=void 0}S.prototype.clone=function(e){return i.defined(e)||(e=new 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i.defined(this.index)?this.heightBuffer[this.index]:o.CesiumMath.lerp(this.first.getH(),this.second.getH(),this.ratio)},S.prototype.getU=function(){return i.defined(this.index)?this.uBuffer[this.index]:o.CesiumMath.lerp(this.first.getU(),this.second.getU(),this.ratio)},S.prototype.getV=function(){return i.defined(this.index)?this.vBuffer[this.index]:o.CesiumMath.lerp(this.first.getV(),this.second.getV(),this.ratio)};let U=new n.Cartesian2,F=-1;const P=[new n.Cartesian3,new n.Cartesian3],D=[new n.Cartesian3,new n.Cartesian3];function W(t,i){++F;let s=P[F],r=D[F];return s=e.AttributeCompression.octDecode(t.first.getNormalX(),t.first.getNormalY(),s),r=e.AttributeCompression.octDecode(t.second.getNormalX(),t.second.getNormalY(),r),b=n.Cartesian3.lerp(s,r,t.ratio,b),n.Cartesian3.normalize(b,b),e.AttributeCompression.octEncode(b,i),--F,i}S.prototype.getNormalX=function(){return i.defined(this.index)?this.normalBuffer[2*this.index]:(U=W(this,U),U.x)},S.prototype.getNormalY=function(){return i.defined(this.index)?this.normalBuffer[2*this.index+1]:(U=W(this,U),U.y)};const X=[];function k(e,t,n,s,r,h,o,u,d){if(0===o.length)return;let p=0,l=0;for(;l<o.length;)l=X[p++].initializeFromClipResult(o,l,u);for(let r=0;r<p;++r){const o=X[r];if(o.isIndexed())o.newIndex=h[o.index],o.uBuffer=e,o.vBuffer=t,o.heightBuffer=n,d&&(o.normalBuffer=s);else{const r=o.getKey();if(i.defined(h[r]))o.newIndex=h[r];else{const i=e.length;e.push(o.getU()),t.push(o.getV()),n.push(o.getH()),d&&(s.push(o.getNormalX()),s.push(o.getNormalY())),o.newIndex=i,h[r]=i}}}3===p?(r.push(X[0].newIndex),r.push(X[1].newIndex),r.push(X[2].newIndex)):4===p&&(r.push(X[0].newIndex),r.push(X[1].newIndex),r.push(X[2].newIndex),r.push(X[0].newIndex),r.push(X[2].newIndex),r.push(X[3].newIndex))}return X.push(new S),X.push(new S),X.push(new S),X.push(new S),d((function(e,i){const h=e.isEastChild,d=e.isNorthChild,p=h?C:0,l=h?w:C,a=d?C:0,c=d?w:C,f=v,g=T,m=z,U=M;f.length=0,g.length=0,m.length=0,U.length=0;const 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e=W[$],t=W[$+1],n=W[$+2],i=G[e],s=G[t],r=G[n];ie[0].initializeIndexed(G,J,Z,q,e),ie[1].initializeIndexed(G,J,Z,q,t),ie[2].initializeIndexed(G,J,Z,q,n);const o=x.clipTriangleAtAxisAlignedThreshold(C,h,i,s,r,B);re=0,re>=o.length||(re=se[0].initializeFromClipResult(o,re,ie),re>=o.length||(re=se[1].initializeFromClipResult(o,re,ie),re>=o.length||(re=se[2].initializeFromClipResult(o,re,ie),he=x.clipTriangleAtAxisAlignedThreshold(C,d,se[0].getV(),se[1].getV(),se[2].getV(),y),k(f,g,m,U,F,P,he,se,K),re<o.length&&(se[2].clone(se[1]),se[2].initializeFromClipResult(o,re,ie),he=x.clipTriangleAtAxisAlignedThreshold(C,d,se[0].getV(),se[1].getV(),se[2].getV(),y),k(f,g,m,U,F,P,he,se,K)))))}const oe=h?-32767:0,ue=d?-32767:0,de=[],pe=[],le=[],ae=[];let ce=Number.MAX_VALUE,fe=-ce;const ge=I;ge.length=0;const me=n.Ellipsoid.clone(e.ellipsoid),xe=n.Rectangle.clone(e.childRectangle),we=xe.north,Ce=xe.south;let Be=xe.east;const ye=xe.west;for(Be<ye&&(Be+=o.CesiumMath.TWO_PI),$=0;$<f.length;++$)te=Math.round(f[$]),te<=p?(de.push($),te=0):te>=l?(le.push($),te=w):te=2*te+oe,f[$]=te,ne=Math.round(g[$]),ne<=a?(pe.push($),ne=0):ne>=c?(ae.push($),ne=w):ne=2*ne+ue,g[$]=ne,Q=o.CesiumMath.lerp(_,j,m[$]/w),Q<ce&&(ce=Q),Q>fe&&(fe=Q),m[$]=Q,A.longitude=o.CesiumMath.lerp(ye,Be,te/w),A.latitude=o.CesiumMath.lerp(Ce,we,ne/w),A.height=Q,me.cartographicToCartesian(A,b),ge.push(b.x),ge.push(b.y),ge.push(b.z);const Ie=t.BoundingSphere.fromVertices(ge,n.Cartesian3.ZERO,3,E),Ae=u.OrientedBoundingBox.fromRectangle(xe,ce,fe,me,H),be=new s.EllipsoidalOccluder(me).computeHorizonCullingPointFromVerticesPossiblyUnderEllipsoid(Ie.center,ge,3,Ie.center,ce,N),ve=fe-ce,Te=new Uint16Array(f.length+g.length+m.length);for($=0;$<f.length;++$)Te[$]=f[$];let ze=f.length;for($=0;$<g.length;++$)Te[ze+$]=g[$];for(ze+=g.length,$=0;$<m.length;++$)Te[ze+$]=w*(m[$]-ce)/ve;const Ve=r.IndexDatatype.createTypedArray(f.length,F);let Me;if(K){const e=new Uint8Array(U);i.push(Te.buffer,Ve.buffer,e.buffer),Me=e.buffer}else i.push(Te.buffer,Ve.buffer);return{vertices:Te.buffer,encodedNormals:Me,indices:Ve.buffer,minimumHeight:ce,maximumHeight:fe,westIndices:de,southIndices:pe,eastIndices:le,northIndices:ae,boundingSphere:Ie,orientedBoundingBox:Ae,horizonOcclusionPoint:be}}))}));
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