@arcgis/core/views/3d/support/pointsOfInterest/CenterOnSurface.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{__decorate as t}from"tslib";import{clamp as e}from"../../../../core/mathUtils.js";import{removeMaybe as r,destroyMaybe as i}from"../../../../core/maybe.js";import{property as s,subclass as o}from"../../../../core/accessorSupport/decorators.js";import{copy as a,distance as n,scale as c,add as u,exactEquals as l,squaredLength as d}from"../../../../core/libs/gl-matrix-2/math/vec3.js";import{create as p}from"../../../../core/libs/gl-matrix-2/factories/vec3f64.js";import{getReferenceEllipsoid as h}from"../../../../geometry/ellipsoidUtils.js";import f from"../../../../geometry/Point.js";import{projectBoundingRect as m}from"../../../../geometry/projection/projectBoundingRect.js";import{create as _}from"../../../../geometry/support/aaBoundingRect.js";import{debugFlags as S}from"../debugFlags.js";import{PointOfInterest as g}from"./PointOfInterest.js";import{PropertiesPool as y}from"../../../support/PropertiesPool.js";import{Yield as A}from"../../../support/Yield.js";let j=class extends g{constructor(t){super(t),this._propertiesPool=new y({location:()=>new f,renderLocation:()=>p()},this),this._currentSurfaceAltitude=0,this._latestSurfaceAltitude=0,this.distance=0,this.renderLocation=p(),this.updating=!1}initialize(){this._frameWorker=this.scheduler.registerTask(this.task,this),this.runTask()}destroy(){this._frameWorker=r(this._frameWorker),this._propertiesPool=i(this._propertiesPool)}get _camera(){return this.state.contentCamera}get location(){const t=this._propertiesPool?.get("location");return t?(t.spatialReference=this.state.spatialReference,this.renderCoordsHelper.fromRenderCoords(this.renderLocation,t),t):new f}updateRenderLocation(){this.updating=!0,this._updateRenderLocation()}get estimatedSurfaceAltitude(){return this._latestSurfaceAltitude}get readyToRun(){return this.updating}runTask(){return this._latestSurfaceAltitude=this.estimateSurfaceAltitudeAtCenter(),this._updateRenderLocation(),this.updating=!1,A}_updateRenderLocation(){const t=L;let e=this._calculateSurfaceIntersection(this._currentSurfaceAltitude,t);const r=this._currentSurfaceAltitude!==this._latestSurfaceAltitude;!e&&r&&(e=this._calculateSurfaceIntersection(this._latestSurfaceAltitude,t),e&&(this._currentSurfaceAltitude=this._latestSurfaceAltitude));const i=v;e&&this._latestSurfaceAltitudeChangesDistanceSignificantly(t,i)&&(a(t,i),this._currentSurfaceAltitude=this._latestSurfaceAltitude),e?this.distance=n(this._camera.eye,t):(c(t,this._camera.viewForward,this._get("distance")),u(t,t,this._camera.eye)),l(this._get("renderLocation"),t)||this._set("renderLocation",a(this._propertiesPool.get("renderLocation"),t))}_calculateSurfaceIntersection(t,r){const i=this._camera;if(!this.renderCoordsHelper.intersectInfiniteManifold(i.ray,t,r))return!1;if(this.state.isGlobal){const e=h(this.renderCoordsHelper.spatialReference).radius,s=e+t,o=d(i.eye),a=o<s*s,l=n(i.eye,r);if(a&&l>e/4){const t=s-Math.sqrt(o);return c(r,i.viewForward,t),u(r,r,i.eye),!0}}else{const t=this.surface?.ready?this.surface.groundExtent:null;null!=t&&m(t,this.surface?.spatialReference,C,this.renderCoordsHelper.spatialReference)&&(r[0]=e(r[0],C[0],C[2]),r[1]=e(r[1],C[1],C[3]))}return!0}_latestSurfaceAltitudeChangesDistanceSignificantly(t,e){if(this._latestSurfaceAltitude===this._currentSurfaceAltitude||null==t)return!1;if(this._calculateSurfaceIntersection(this._latestSurfaceAltitude,e)){if(S.TESTS_DISABLE_OPTIMIZATIONS)return!0;const r=this._camera.eye,i=n(r,t),s=n(r,e);if(Math.abs(s-i)/i>R)return!0}return!1}};t([s({constructOnly:!0})],j.prototype,"scheduler",void 0),t([s({constructOnly:!0})],j.prototype,"task",void 0),t([s()],j.prototype,"distance",void 0),t([s({constructOnly:!0})],j.prototype,"estimateSurfaceAltitudeAtCenter",void 0),t([s({readOnly:!0})],j.prototype,"location",null),t([s({readOnly:!0})],j.prototype,"renderLocation",void 0),t([s()],j.prototype,"updating",void 0),j=t([o("esri.views.3d.support.pointsOfInterest.CenterOnSurface")],j);const R=.05,L=p(),v=p(),C=_();export{j as CenterOnSurface};