@arcgis/core/views/3d/state/controllers/FovController.js

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

/* COPYRIGHT Esri - https://js.arcgis.com/5.0.19/LICENSE.txt */
import{__decorate as t}from"tslib";import i from"../../../../Camera.js";import{deg2rad as e,rad2deg as r,clamp as s}from"../../../../core/mathUtils.js";import{destroyMaybe as o}from"../../../../core/maybe.js";import{property as a,subclass as n}from"../../../../core/accessorSupport/decorators.js";import{add as h,scale as l,copy as m,distance as v}from"../../../../core/libs/gl-matrix-2/math/vec3.js";import{create as c}from"../../../../core/libs/gl-matrix-2/factories/vec3f64.js";import{pixelDistanceToInteractionFactor as _,applyAll as u}from"../../camera/constraintUtils.js";import{ConstraintOptions as p}from"../../camera/constraintUtils/ConstraintOptions.js";import{InteractiveController as d}from"./InteractiveController.js";import{pivotSearchAreaSize as f}from"../utils/navigationUtils.js";import w from"../../../ui/Component.js";import{FovOverlay as y}from"../../../../widgets/FovOverlay.js";let g=class extends d{constructor(t){super(t),this.onStop=null,this._timeOutId=void 0,this._onReset=()=>{this._startSize=this._lastDrag=null,this._setFov(S),this.updateTimeout()},this._center=c(),this._viewForward=c(),this._constraints=new p(15,1)}begin(t){z(t)?this._showOverlay().fov=t.fov:(this._lastDrag=t[1],this._startSize=null,this._ensureStartSize(this.view.state.camera))}updateTimeout(){clearTimeout(this._timeOutId),this._timeOutId=setTimeout(this.onStop,1500)}update(t){if(null==this._lastDrag)return this._lastDrag=t[1],this._startSize=null,void this._ensureStartSize(this.view.state.camera);const i=-(this._lastDrag-t[1])/2;this._lastDrag=t[1],this.step(i)}step(t){if(!this.running)return void(this._startSize=this._lastDrag=null);const i=this.view.state,o=this.currentCamera.copyFrom(i.camera),a=r(o.fov)+t,n=e(s(a,C,F));n!==o.fov?this._setFov(n):this._showOverlay().fov=o.fov}finish(){this.running&&(this._startSize=this._lastDrag=null,this.finishController())}destroy(){this.hideOverlay()}onControllerEnd(t){super.onControllerEnd(t),this._startSize=this._lastDrag=null,this.hideOverlay()}_showOverlay(){return this._overlay||(this._overlay=new w({id:"esri.FovOverlay",node:new y({onReset:this._onReset})}),this.view.ui.add(this._overlay)),this._overlay.widget}hideOverlay(){this._overlay&&(this.view.ui.remove(this._overlay),this._overlay=o(this._overlay))}_setFov(t){const i=this.view.state,e=this.currentCamera.copyFrom(i.camera),r=this._ensureStartSize(e)/Math.tan(t/2),s=h(O,this._center,l(O,this._viewForward,-r));e.eye=s,e.fov=t,this._constraints.interactionStartCamera=i.camera,this._constraints.interactionFactor=_(this.currentCamera.height-i.camera.height),u(this.view,this.currentCamera,this._constraints),this.begin(e),this.commitCamera()}_ensureStartSize(t){if(null==this._startSize){m(this._viewForward,t.viewForward);const i=this.view.stage.renderView.getMinimalDepthForArea(null,t.fullWidth/t.pixelRatio*.5,t.fullHeight/t.pixelRatio*.5,t,f),e=v(t.eye,this.view.pointsOfInterest.centerOnContent.renderLocation),r=i??e;h(this._center,t.eye,l(O,this._viewForward,r)),this._startSize=r*Math.tan(t.fov/2)}return this._startSize}};t([a()],g.prototype,"onStop",void 0),g=t([n("esri.views.3d.state.controllers.FovController")],g);const S=e((new i).fov),C=10,F=150,O=c();function z(t){return!Array.isArray(t)}export{g as FovController};