@arcgis/core
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ArcGIS Maps SDK for JavaScript: A complete 2D and 3D mapping and data visualization API
6 lines (5 loc) • 2.54 kB
JavaScript
/*
All material copyright ESRI, All Rights Reserved, unless otherwise specified.
See https://js.arcgis.com/4.33/esri/copyright.txt for details.
*/
import{set as t,squaredDistance as e}from"../../../../core/libs/gl-matrix-2/math/vec2.js";import{create as r}from"../../../../core/libs/gl-matrix-2/factories/vec2f64.js";import{newLayout as s}from"../../support/buffer/InterleavedLayout.js";import{ShaderOutput as i}from"../core/shaderLibrary/ShaderOutput.js";import o from"../lib/GLMaterial.js";import{Material as a}from"../lib/Material.js";import{RenderSlot as n}from"../lib/RenderSlot.js";import{VertexAttribute as u}from"../lib/VertexAttribute.js";import{writePosition as l,writeBufferFloat as c}from"./internal/bufferWriterUtils.js";import{HeatmapDensityPassParameters as f,HeatmapDensityTechnique as m}from"../shaders/HeatmapDensityTechnique.js";import{HeatmapDensityTechniqueConfiguration as p}from"../shaders/HeatmapDensityTechniqueConfiguration.js";const h=2;class g extends f{constructor(){super(...arguments),this.isAttributeDriven=!1,this.usesHalfFloats=!1}}class T extends a{constructor(t){super(t,g),this.produces=new Map([[n.DRAPED_MATERIAL,t=>t===i.Color]]),this._configuration=new p}getConfiguration(t,e){return super.getConfiguration(t,e,this._configuration),this._configuration.isAttributeDriven=this.parameters.isAttributeDriven,this._configuration.usesHalfFloat=this.parameters.usesHalfFloats,this._configuration}get visible(){return!0}createGLMaterial(t){return new d(t)}intersect(){}intersectDraped(r,s,i,o,a){const n=r.attributes.get(u.POSITION),{parameters:l}=this,{searchRadius:c}=l,{screenToWorldRatio:f}=r,m=c*f+h*f,p=m*m,g=n.data.length/n.size;for(let u=0;u<g;u++){const r=u*n.size,s=t(j,n.data[r],n.data[r+1]);e(s,i)<p&&o(a.distance,a.normal,-1)}}createBufferWriter(){return new b(this.parameters.isAttributeDriven?I:A)}}class d extends o{beginSlot(t){return this.getTechnique(m,t)}}class b{constructor(t){this.vertexBufferLayout=t}elementCount(t){return t.get(u.POSITION).indices.length*v}write(t,e,r,s,i,o){l(r.get(u.POSITION),t,i.position,o,v);const a=r.get(u.POSITION).indices.length,n=i.uv0;let f=o;for(let u=0;u<a;++u)n.setValues(f++,-1,-1),n.setValues(f++,1,-1),n.setValues(f++,1,1),n.setValues(f++,1,1),n.setValues(f++,-1,1),n.setValues(f++,-1,-1);const m=u.FEATUREATTRIBUTE in i?i.featureAttribute:null;return m?(c(r.get(u.FEATUREATTRIBUTE),m,o,v),null):null}}const A=s().vec3f(u.POSITION).vec2f16(u.UV0),I=A.clone().f32(u.FEATUREATTRIBUTE),v=6,j=r();export{T as HeatmapDensityMaterial,g as Parameters};