@arcgis/core/views/2d/pointToPoint/Camera.js

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

/*
All material copyright ESRI, All Rights Reserved, unless otherwise specified.
See https://js.arcgis.com/4.33/esri/copyright.txt for details.
*/
import t from"../../../Viewpoint.js";import{deg2rad as e,lerp as o}from"../../../core/mathUtils.js";import i from"../../../geometry/Point.js";import{distance as r}from"../../../geometry/support/pointUtils.js";import{getScaleToResolutionFactor as s,copy as n}from"../viewpointUtils.js";class a{constructor(e){this._view=e,this.viewpoint=new t({targetGeometry:new i,scale:0,rotation:0})}get view(){return this._view}get size(){const[t,e]=this._view.size;return Math.sqrt(t*t+e*e)}get scale(){return this.viewpoint.scale}get rotation(){return this.viewpoint.rotation}get center(){return this.viewpoint.targetGeometry}get scaleToResolutionFactor(){return s(this.center.spatialReference)}pixelsPerPanAtZoom(t){return 1/(t*this.scaleToResolutionFactor)}zoomAtPixelsPerPan(t){return 1/(t*this.scaleToResolutionFactor)}pixelsPerRotate(){return this.size/2}compareTo(t,o){o.pan=r(this.center,t.center);let i=Math.abs(t.rotation-this.rotation);i=i>=180?360-i:i,o.rotate=e(i),o.sourceZoom=this.scale,o.targetZoom=t.scale}interpolate(t,e,i){const{pan:r,rotate:s,zoom:n,zoomOffset:a}=i,{center:c}=this;c.spatialReference=t.center.spatialReference,c.x=o(t.center.x,e.center.x,r),c.y=o(t.center.y,e.center.y,r),this.viewpoint.scale=o(t.scale,e.scale+a,n);let p=t.rotation;const l=e.rotation;Math.abs(l-p)>=180&&(p+=360*(p<l?1:-1)),this.viewpoint.rotation=o(p,l,s)}copyFrom(t){n(this.viewpoint,t.viewpoint),this._view=t.view}}export{a as Camera};