@arcgis/core/geometry/support/meshUtils/primitives.js

ArcGIS Maps SDK for JavaScript: A complete 2D and 3D mapping and data visualization API

/* COPYRIGHT Esri - https://js.arcgis.com/5.0.8/LICENSE.txt */
import{create as t}from"../../../core/libs/gl-matrix-2/factories/mat3f64.js";import{transformMat3 as e,normalize as r}from"../../../core/libs/gl-matrix-2/math/vec3.js";import{create as n}from"../../../core/libs/gl-matrix-2/factories/vec3f64.js";import o from"../MeshComponent.js";import s from"../MeshVertexAttributes.js";import{selectVertexSpace as a}from"../meshVertexSpaceUtils.js";import{convertVertexSpace as i,getUnitToSpatialReferenceScaleConversion as l}from"./vertexSpaceConversion.js";function c(){const{faceDescriptions:t,faceVertexOffsets:e,uvScales:r}=b,n=4*t.length,o=new Float64Array(3*n),s=new Float32Array(3*n),a=new Float32Array(2*n),i=new Uint32Array(2*t.length*3);let l=0,c=0,f=0,u=0;for(let h=0;h<t.length;h++){const n=t[h],p=l/3;for(const t of e)i[u++]=p+t;const m=n.corners;for(let t=0;t<4;t++){const e=m[t];let i=0;a[f++]=.25*r[t][0]+n.uvOrigin[0],a[f++]=n.uvOrigin[1]-.25*r[t][1];for(let t=0;t<3;t++)0!==n.axis[t]?(o[l++]=.5*n.axis[t],s[c++]=n.axis[t]):(o[l++]=.5*e[i++],s[c++]=0)}}return{position:o,normal:s,uv:a,faces:i}}function f(t,e){const r=t.components[0],n=r.faces,s=F[e],a=6*s,i=new Array(6),l=new Array(n.length-6);let c=0,f=0;for(let o=0;o<n.length;o++)o>=a&&o<a+6?i[c++]=n[o]:l[f++]=n[o];if(null!=t.vertexAttributes.uv){const e=new Float32Array(t.vertexAttributes.uv),r=4*s*2,n=[0,1,1,1,1,0,0,0];for(let t=0;t<n.length;t++)e[r+t]=n[t];t.vertexAttributes.uv=e}return t.components=[new o({faces:i,material:r.material}),new o({faces:l})],t}function u(t=0){const e=Math.round(8*2**t),r=2*e,n=(e-1)*(r+1)+2*r,o=new Float64Array(3*n),s=new Float32Array(3*n),a=new Float32Array(2*n),i=new Uint32Array(3*((e-1)*r*2));let l=0,c=0,f=0,u=0;for(let h=0;h<=e;h++){const t=h/e*Math.PI+.5*Math.PI,n=Math.cos(t),p=Math.sin(t);O[2]=p;const m=0===h||h===e,w=m?r-1:r;for(let v=0;v<=w;v++){const t=v/w*2*Math.PI;O[0]=-Math.sin(t)*n,O[1]=Math.cos(t)*n;for(let e=0;e<3;e++)o[l]=.5*O[e],s[l]=O[e],++l;a[c++]=(v+(m?.5:0))/r,a[c++]=h/e,0!==h&&v!==r&&(h!==e&&(i[f++]=u,i[f++]=u+1,i[f++]=u-r),1!==h&&(i[f++]=u,i[f++]=u-r,i[f++]=u-r-1)),u++}}return{position:o,normal:s,uv:a,faces:i}}function h(t=0){const e=5,r=Math.round(16*2**t),n=(e-1)*(r+1)+2*r,o=new Float64Array(3*n),s=new Float32Array(3*n),a=new Float32Array(2*n),i=new Uint32Array(3*(4*r));let l=0,c=0,f=0,u=0,h=0;for(let p=0;p<=e;p++){const t=0===p||p===e,n=p<=1||p>=e-1,m=2===p||4===p,w=t?r-1:r;for(let v=0;v<=w;v++){const g=v/w*2*Math.PI,x=t?0:.5;O[0]=x*Math.sin(g),O[1]=x*-Math.cos(g),O[2]=p<=2?.5:-.5;for(let t=0;t<3;t++)o[l++]=O[t],s[c++]=n?2===t?p<=1?1:-1:0:2===t?0:O[t]/x;a[f++]=(v+(t?.5:0))/r,a[f++]=p<=1?1*p/3:p<=3?1*(p-2)/3+1/3:1*(p-4)/3+2/3,m||0===p||v===r||(p!==e&&(i[u++]=h,i[u++]=h+1,i[u++]=h-r),1!==p&&(i[u++]=h,i[u++]=h-r,i[u++]=h-r-1)),h++}}return{position:o,normal:s,uv:a,faces:i}}function p(t,e){const r="number"==typeof e?e:null!=e?e.width:1,n="number"==typeof e?e:null!=e?e.height:1;switch(t){case"up":case"down":return{width:r,depth:n};case"north":case"south":return{width:r,height:n};case"east":case"west":return{depth:r,height:n}}}function m(t){const e=x.facingAxisOrderSwap[t],r=x.position,n=x.normal,o=new Float64Array(r.length),s=new Float32Array(n.length);let a=0;for(let i=0;i<4;i++){const t=a;for(let i=0;i<3;i++){const l=e[i],c=Math.abs(l)-1,f=l>=0?1:-1;o[a]=r[t+c]*f,s[a]=n[t+c]*f,a++}}return{position:o,normal:s,uv:new Float32Array(x.uv),faces:new Uint32Array(x.faces),isPlane:!0}}const w=1,v=2,g=3,x={position:[-.5,-.5,0,.5,-.5,0,.5,.5,0,-.5,.5,0],normal:[0,0,1,0,0,1,0,0,1,0,0,1],uv:[0,1,1,1,1,0,0,0],faces:[0,1,2,0,2,3],facingAxisOrderSwap:{east:[g,w,v],west:[-g,-w,v],north:[-w,g,v],south:[w,-g,v],up:[w,v,g],down:[w,-v,-g]}};function A(t,e,r){t.isPlane||y(t),M(t,d(r?.size,r?.unit,e.spatialReference));const n=a(e,r),l=e.spatialReference.isGeographic?a(e):n,c=i({vertexAttributes:t,vertexSpace:l,spatialReference:e.spatialReference},n,{allowBufferReuse:!0});return{vertexAttributes:new s({...c,uv:t.uv}),vertexSpace:n,components:[new o({faces:t.faces,material:r?.material||null})],spatialReference:e.spatialReference}}function y(t){for(let e=0;e<t.position.length;e+=3)t.position[e+2]+=.5}function d(t,e,r){const n=l(e,r);if(null==t&&1===n)return null;if(null==t)return[n,n,n];if("number"==typeof t){const e=t*n;return[e,e,e]}return[null!=t.width?t.width*n:n,null!=t.depth?t.depth*n:n,null!=t.height?t.height*n:n]}function M(t,n){if(null!=n){S[0]=n[0],S[4]=n[1],S[8]=n[2];for(let r=0;r<t.position.length;r+=3){for(let e=0;e<3;e++)O[e]=t.position[r+e];e(O,O,S);for(let e=0;e<3;e++)t.position[r+e]=O[e]}if(n[0]!==n[1]||n[1]!==n[2]){S[0]=1/n[0],S[4]=1/n[1],S[8]=1/n[2];for(let n=0;n<t.normal.length;n+=3){for(let e=0;e<3;e++)O[e]=t.normal[n+e];e(O,O,S),r(O,O);for(let e=0;e<3;e++)t.normal[n+e]=O[e]}}}}const b={faceDescriptions:[{axis:[0,-1,0],uvOrigin:[0,.625],corners:[[-1,-1],[1,-1],[1,1],[-1,1]]},{axis:[1,0,0],uvOrigin:[.25,.625],corners:[[-1,-1],[1,-1],[1,1],[-1,1]]},{axis:[0,1,0],uvOrigin:[.5,.625],corners:[[1,-1],[-1,-1],[-1,1],[1,1]]},{axis:[-1,0,0],uvOrigin:[.75,.625],corners:[[1,-1],[-1,-1],[-1,1],[1,1]]},{axis:[0,0,1],uvOrigin:[0,.375],corners:[[-1,-1],[1,-1],[1,1],[-1,1]]},{axis:[0,0,-1],uvOrigin:[0,.875],corners:[[-1,1],[1,1],[1,-1],[-1,-1]]}],uvScales:[[0,0],[1,0],[1,1],[0,1]],faceVertexOffsets:[0,1,2,0,2,3]},F={south:0,east:1,north:2,west:3,up:4,down:5},O=n(),S=t();export{F as boxFaceOrder,p as convertPlaneSizeParameter,A as convertUnitGeometry,c as createUnitSizeBox,h as createUnitSizeCylinder,m as createUnitSizePlane,u as createUnitSizeSphere,f as extractSingleFaceOfBox};