createPolylineGeometry.js 6.5 KB

1
  1. define(["./defaultValue-f6d5e6da","./Matrix3-b2351961","./ArcType-26a3f38d","./arrayRemoveDuplicates-0d8dde26","./Transforms-c34ae887","./Color-af92f2d9","./ComponentDatatype-ab629b88","./GeometryAttribute-d91450b3","./GeometryAttributes-1e4ddcd2","./IndexDatatype-a9b1bc18","./Math-355606c6","./PolylinePipeline-059f0395","./VertexFormat-fbdec922","./Matrix2-7a8e9daf","./RuntimeError-9b4ce3fb","./combine-0c102d93","./WebGLConstants-7f557f93","./EllipsoidGeodesic-20aaff03","./EllipsoidRhumbLine-1289f7e8","./IntersectionTests-4dc8e906","./Plane-5931b53e"],(function(e,t,o,r,n,a,i,l,s,c,p,d,u,y,m,h,f,C,g,_,A){"use strict";const E=[];function P(e,t,o,r,n){const i=E;let l;i.length=n;const s=o.red,c=o.green,p=o.blue,d=o.alpha,u=r.red,y=r.green,m=r.blue,h=r.alpha;if(a.Color.equals(o,r)){for(l=0;l<n;l++)i[l]=a.Color.clone(o);return i}const f=(u-s)/n,C=(y-c)/n,g=(m-p)/n,_=(h-d)/n;for(l=0;l<n;l++)i[l]=new a.Color(s+l*f,c+l*C,p+l*g,d+l*_);return i}function x(r){const n=(r=e.defaultValue(r,e.defaultValue.EMPTY_OBJECT)).positions,i=r.colors,l=e.defaultValue(r.width,1),s=e.defaultValue(r.colorsPerVertex,!1);this._positions=n,this._colors=i,this._width=l,this._colorsPerVertex=s,this._vertexFormat=u.VertexFormat.clone(e.defaultValue(r.vertexFormat,u.VertexFormat.DEFAULT)),this._arcType=e.defaultValue(r.arcType,o.ArcType.GEODESIC),this._granularity=e.defaultValue(r.granularity,p.CesiumMath.RADIANS_PER_DEGREE),this._ellipsoid=t.Ellipsoid.clone(e.defaultValue(r.ellipsoid,t.Ellipsoid.WGS84)),this._workerName="createPolylineGeometry";let c=1+n.length*t.Cartesian3.packedLength;c+=e.defined(i)?1+i.length*a.Color.packedLength:1,this.packedLength=c+t.Ellipsoid.packedLength+u.VertexFormat.packedLength+4}x.pack=function(o,r,n){let i;n=e.defaultValue(n,0);const l=o._positions;let s=l.length;for(r[n++]=s,i=0;i<s;++i,n+=t.Cartesian3.packedLength)t.Cartesian3.pack(l[i],r,n);const c=o._colors;for(s=e.defined(c)?c.length:0,r[n++]=s,i=0;i<s;++i,n+=a.Color.packedLength)a.Color.pack(c[i],r,n);return t.Ellipsoid.pack(o._ellipsoid,r,n),n+=t.Ellipsoid.packedLength,u.VertexFormat.pack(o._vertexFormat,r,n),n+=u.VertexFormat.packedLength,r[n++]=o._width,r[n++]=o._colorsPerVertex?1:0,r[n++]=o._arcType,r[n]=o._granularity,r};const w=t.Ellipsoid.clone(t.Ellipsoid.UNIT_SPHERE),T=new u.VertexFormat,b={positions:void 0,colors:void 0,ellipsoid:w,vertexFormat:T,width:void 0,colorsPerVertex:void 0,arcType:void 0,granularity:void 0};x.unpack=function(o,r,n){let i;r=e.defaultValue(r,0);let l=o[r++];const s=new Array(l);for(i=0;i<l;++i,r+=t.Cartesian3.packedLength)s[i]=t.Cartesian3.unpack(o,r);l=o[r++];const c=l>0?new Array(l):void 0;for(i=0;i<l;++i,r+=a.Color.packedLength)c[i]=a.Color.unpack(o,r);const p=t.Ellipsoid.unpack(o,r,w);r+=t.Ellipsoid.packedLength;const d=u.VertexFormat.unpack(o,r,T);r+=u.VertexFormat.packedLength;const y=o[r++],m=1===o[r++],h=o[r++],f=o[r];return e.defined(n)?(n._positions=s,n._colors=c,n._ellipsoid=t.Ellipsoid.clone(p,n._ellipsoid),n._vertexFormat=u.VertexFormat.clone(d,n._vertexFormat),n._width=y,n._colorsPerVertex=m,n._arcType=h,n._granularity=f,n):(b.positions=s,b.colors=c,b.width=y,b.colorsPerVertex=m,b.arcType=h,b.granularity=f,new x(b))};const D=new t.Cartesian3,k=new t.Cartesian3,V=new t.Cartesian3,v=new t.Cartesian3;return x.createGeometry=function(u){const y=u._width,m=u._vertexFormat;let h=u._colors;const f=u._colorsPerVertex,C=u._arcType,g=u._granularity,_=u._ellipsoid;let A,x,w;const T=[];let b=r.arrayRemoveDuplicates(u._positions,t.Cartesian3.equalsEpsilon,!1,T);if(e.defined(h)&&T.length>0){let e=0,t=T[0];h=h.filter((function(o,r){let n=!1;return n=f?r===t||0===r&&1===t:r+1===t,!n||(e++,t=T[e],!1)}))}let L=b.length;if(L<2||y<=0)return;if(C===o.ArcType.GEODESIC||C===o.ArcType.RHUMB){let t,r;C===o.ArcType.GEODESIC?(t=p.CesiumMath.chordLength(g,_.maximumRadius),r=d.PolylinePipeline.numberOfPoints):(t=g,r=d.PolylinePipeline.numberOfPointsRhumbLine);const n=d.PolylinePipeline.extractHeights(b,_);if(e.defined(h)){let e=1;for(A=0;A<L-1;++A)e+=r(b[A],b[A+1],t);const o=new Array(e);let n=0;for(A=0;A<L-1;++A){const i=b[A],l=b[A+1],s=h[A],c=r(i,l,t);if(f&&A<e){const e=P(0,0,s,h[A+1],c),t=e.length;for(x=0;x<t;++x)o[n++]=e[x]}else for(x=0;x<c;++x)o[n++]=a.Color.clone(s)}o[n]=a.Color.clone(h[h.length-1]),h=o,E.length=0}b=C===o.ArcType.GEODESIC?d.PolylinePipeline.generateCartesianArc({positions:b,minDistance:t,ellipsoid:_,height:n}):d.PolylinePipeline.generateCartesianRhumbArc({positions:b,granularity:t,ellipsoid:_,height:n})}L=b.length;const F=4*L-4,G=new Float64Array(3*F),O=new Float64Array(3*F),R=new Float64Array(3*F),I=new Float32Array(2*F),S=m.st?new Float32Array(2*F):void 0,B=e.defined(h)?new Uint8Array(4*F):void 0;let M,U=0,N=0,H=0,W=0;for(x=0;x<L;++x){let o,r;0===x?(M=D,t.Cartesian3.subtract(b[0],b[1],M),t.Cartesian3.add(b[0],M,M)):M=b[x-1],t.Cartesian3.clone(M,V),t.Cartesian3.clone(b[x],k),x===L-1?(M=D,t.Cartesian3.subtract(b[L-1],b[L-2],M),t.Cartesian3.add(b[L-1],M,M)):M=b[x+1],t.Cartesian3.clone(M,v),e.defined(B)&&(o=0===x||f?h[x]:h[x-1],x!==L-1&&(r=h[x]));const n=x===L-1?2:4;for(w=0===x?2:0;w<n;++w){t.Cartesian3.pack(k,G,U),t.Cartesian3.pack(V,O,U),t.Cartesian3.pack(v,R,U),U+=3;const n=w-2<0?-1:1;if(I[N++]=w%2*2-1,I[N++]=n*y,m.st&&(S[H++]=x/(L-1),S[H++]=Math.max(I[N-2],0)),e.defined(B)){const e=w<2?o:r;B[W++]=a.Color.floatToByte(e.red),B[W++]=a.Color.floatToByte(e.green),B[W++]=a.Color.floatToByte(e.blue),B[W++]=a.Color.floatToByte(e.alpha)}}}const Y=new s.GeometryAttributes;Y.position=new l.GeometryAttribute({componentDatatype:i.ComponentDatatype.DOUBLE,componentsPerAttribute:3,values:G}),Y.prevPosition=new l.GeometryAttribute({componentDatatype:i.ComponentDatatype.DOUBLE,componentsPerAttribute:3,values:O}),Y.nextPosition=new l.GeometryAttribute({componentDatatype:i.ComponentDatatype.DOUBLE,componentsPerAttribute:3,values:R}),Y.expandAndWidth=new l.GeometryAttribute({componentDatatype:i.ComponentDatatype.FLOAT,componentsPerAttribute:2,values:I}),m.st&&(Y.st=new l.GeometryAttribute({componentDatatype:i.ComponentDatatype.FLOAT,componentsPerAttribute:2,values:S})),e.defined(B)&&(Y.color=new l.GeometryAttribute({componentDatatype:i.ComponentDatatype.UNSIGNED_BYTE,componentsPerAttribute:4,values:B,normalize:!0}));const q=c.IndexDatatype.createTypedArray(F,6*L-6);let z=0,J=0;const K=L-1;for(x=0;x<K;++x)q[J++]=z,q[J++]=z+2,q[J++]=z+1,q[J++]=z+1,q[J++]=z+2,q[J++]=z+3,z+=4;return new l.Geometry({attributes:Y,indices:q,primitiveType:l.PrimitiveType.TRIANGLES,boundingSphere:n.BoundingSphere.fromPoints(b),geometryType:l.GeometryType.POLYLINES})},function(o,r){return e.defined(r)&&(o=x.unpack(o,r)),o._ellipsoid=t.Ellipsoid.clone(o._ellipsoid),x.createGeometry(o)}}));