@arcgis/core
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ArcGIS Maps SDK for JavaScript: A complete 2D and 3D mapping and data visualization API
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JavaScript
/* COPYRIGHT Esri - https://js.arcgis.com/5.0.19/LICENSE.txt */
import{colorVectorEquals as t}from"../../../../core/colorUtils.js";import e from"../../../../core/Handles.js";import{destroyMaybe as r}from"../../../../core/maybe.js";import{watch as s}from"../../../../core/reactiveUtils.js";import{create as o}from"../../../../core/libs/gl-matrix-2/factories/mat4f64.js";import{copy as i,subtract as a,sub as n,cross as l,len as h}from"../../../../core/libs/gl-matrix-2/math/vec3.js";import{create as c}from"../../../../core/libs/gl-matrix-2/factories/vec3f64.js";import{copy as d}from"../../../../core/libs/gl-matrix-2/math/vec4.js";import{create as m}from"../../../../core/libs/gl-matrix-2/factories/vec4f64.js";import{sv3d as _}from"../../../../geometry/support/vectorStacks.js";import{Object3DVisualElement as p}from"./Object3DVisualElement.js";import{headingTiltToDirectionUp as g}from"../../support/cameraUtils.js";import{createDirectionUp as u}from"../../support/cameraUtilsInternal.js";import{createPolylineGeometry as w}from"../../webgl-engine/lib/GeometryUtil.js";import{MeasurementArrowMaterial as f}from"../../webgl-engine/materials/MeasurementArrowMaterial.js";class C extends p{constructor(t){super(t),this._arrowWidth=16,this._arrowSubdivisions=128,this._origin=c(),this._originTransform=o(),this._arrowCenter=c(),this._renderOccluded=4,this._geometry=null,this._stripeLength=1,this._stripesEnabled=!0,this._color=m(),this._contrastColor=m(),this.applyProperties(t)}get renderOccluded(){return this._renderOccluded}set renderOccluded(t){t!==this._renderOccluded&&(this._renderOccluded=t,this._arrowMaterial?.setParameters({renderOccluded:t}))}get geometry(){return this._geometry}set geometry(t){this._geometry=t,this._geometryChanged()}get stripeLength(){return this._stripeLength}set stripeLength(t){this._stripeLength=t,this.attached&&this._arrowMaterial.setParameters({stripeLength:this._stripeLength})}get stripesEnabled(){return this._stripesEnabled}set stripesEnabled(t){if(this._stripesEnabled=t,this.attached){const t=this._stripesEnabled?this._contrastColor:this._color;this._arrowMaterial.setParameters({stripeEvenColor:t})}}get color(){return this._color}set color(e){t(e,this._color)||(d(this._color,e),this._updateArrowColor())}get contrastColor(){return this._contrastColor}set contrastColor(e){t(e,this._color)||(d(this._contrastColor,e),this._updateArrowColor())}createExternalResources(){const t=this._color,r=this._contrastColor,o=this._stripesEnabled?r:t;this._arrowMaterial=new f({outlineColor:t,stripeEvenColor:o,stripeOddColor:t,renderOccluded:this.renderOccluded,polygonOffset:!0,isDecoration:this.isDecoration}),this._handles=new e,this._handles.add(s(()=>this.view.state.camera,()=>{this._viewChanged()}))}destroyExternalResources(){this._arrowMaterial=null,this._handles=r(this._handles)}forEachMaterial(t){t(this._arrowMaterial)}createGeometries(t){if(null==this._geometry?.startRenderSpace||null==this._geometry.endRenderSpace)return;const e=this._createArrowGeometry(this._geometry.startRenderSpace,this._geometry.endRenderSpace,this._origin,this._geometry);e.transformation=this._originTransform,t.addGeometry(e),this._viewChanged()}_createArrowGeometry(t,e,r,s){const o=this.view,n=o.renderCoordsHelper,l=[],h=[],c=(t,e)=>{const s=_.get();a(s,t,r),l.push(s),h.push(e)};if("euclidean"===s.type){s.eval(.5,this._arrowCenter);const r=_.get();if(n.worldUpAtPosition(this._arrowCenter,r),y(t,e,r)){const{heading:e,tilt:s}=o.camera,{direction:a}=g(o,t,e,s,b);i(r,a)}c(t,r),c(e,r)}else{s.eval(.5,this._arrowCenter);const t=this._arrowSubdivisions+1&-2;for(let e=0;e<t;++e){const r=e/(t-1),o=_.get(),i=_.get();s.eval(r,o),n.worldUpAtPosition(o,i),c(o,i)}}return w(this._arrowMaterial,l,h)}_geometryChanged(){this.recreateGeometry()}_viewChanged(){if(this.view.ready&&this.attached&&null!=this._geometry){const t=this.view.state.camera.computeScreenPixelSizeAt(this._arrowCenter);this._arrowMaterial.setParameters({width:this._arrowWidth*t})}}_updateArrowColor(){if(!this.attached)return;const t=this._color,e=this._contrastColor,r=this._stripesEnabled?e:t,s=t,o=t;this._arrowMaterial.setParameters({stripeEvenColor:r,outlineColor:s,stripeOddColor:o})}}function y(t,e,r){const s=n(v,e,t),o=l(v,s,r);return 0===h(o)}const v=c(),b=u();export{C as MeasurementArrowVisualElement};