439 lines
12 KiB
JavaScript
439 lines
12 KiB
JavaScript
/*
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* This file is part of BlueMap, licensed under the MIT License (MIT).
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*
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* Copyright (c) Blue (Lukas Rieger) <https://bluecolored.de>
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* Copyright (c) contributors
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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import {Color, DoubleSide, Mesh, ShaderMaterial, Shape, ShapeBufferGeometry, Vector2} from "three";
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import {LineMaterial} from "../util/lines/LineMaterial";
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import {MARKER_FILL_VERTEX_SHADER} from "./MarkerFillVertexShader";
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import {MARKER_FILL_FRAGMENT_SHADER} from "./MarkerFillFragmentShader";
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import {LineGeometry} from "../util/lines/LineGeometry";
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import {Line2} from "../util/lines/Line2";
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import {deepEquals} from "../util/Utils";
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import {ObjectMarker} from "./ObjectMarker";
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export class ShapeMarker extends ObjectMarker {
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/**
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* @param markerId {string}
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*/
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constructor(markerId) {
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super(markerId);
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Object.defineProperty(this, 'isShapeMarker', {value: true});
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this.data.type = "shape";
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let zero = new Vector2();
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let shape = new Shape([zero, zero, zero]);
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this.fill = new ShapeMarkerFill(shape);
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this.border = new ShapeMarkerBorder(shape);
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this.border.renderOrder = -1; // render border before fill
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this.add(this.border, this.fill);
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this._markerData = {};
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}
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/**
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* @param y {number}
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*/
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setShapeY(y) {
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let relativeY = y - this.position.y;
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this.fill.position.y = relativeY;
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this.border.position.y = relativeY;
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}
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/**
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* @param shape {Shape}
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*/
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setShape(shape) {
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this.fill.updateGeometry(shape);
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this.border.updateGeometry(shape);
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}
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/**
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* @typedef {{r: number, g: number, b: number, a: number}} ColorLike
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*/
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/**
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* @param markerData {{
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* position: {x: number, y: number, z: number},
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* label: string,
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* shape: {x: number, z: number}[],
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* shapeY: number,
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* height: number,
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* link: string,
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* newTab: boolean,
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* depthTest: boolean,
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* lineWidth: number,
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* borderColor: ColorLike,
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* lineColor: ColorLike,
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* fillColor: ColorLike,
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* minDistance: number,
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* maxDistance: number
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* }}
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*/
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updateFromData(markerData) {
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super.updateFromData(markerData);
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// update shape only if needed, based on last update-data
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if (
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!this._markerData.shape || !deepEquals(markerData.shape, this._markerData.shape) ||
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!this._markerData.position || !deepEquals(markerData.position, this._markerData.position)
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){
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this.setShape(this.createShapeFromData(markerData.shape));
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}
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// update shapeY
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this.setShapeY((markerData.shapeY || markerData.height || 0) + 0.01); //"height" for backwards compatibility, adding 0.01 to avoid z-fighting
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// update depthTest
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this.border.depthTest = !!markerData.depthTest;
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this.fill.depthTest = !!markerData.depthTest;
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// update border-width
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this.border.linewidth = markerData.lineWidth !== undefined ? markerData.lineWidth : 2;
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// update border-color
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let bc = markerData.lineColor || markerData.borderColor || {}; //"borderColor" for backwards compatibility
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this.border.color.setRGB((bc.r || 0) / 255, (bc.g || 0) / 255, (bc.b || 0) / 255);
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this.border.opacity = bc.a || 0;
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// update fill-color
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let fc = markerData.fillColor || {};
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this.fill.color.setRGB((fc.r || 0) / 255, (fc.g || 0) / 255, (fc.b || 0) / 255);
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this.fill.opacity = fc.a || 0;
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// update min/max distances
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let minDist = markerData.minDistance || 0;
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let maxDist = markerData.maxDistance !== undefined ? markerData.maxDistance : Number.MAX_VALUE;
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this.border.fadeDistanceMin = minDist;
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this.border.fadeDistanceMax = maxDist;
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this.fill.fadeDistanceMin = minDist;
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this.fill.fadeDistanceMax = maxDist;
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// save used marker data for next update
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this._markerData = markerData;
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}
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dispose() {
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super.dispose();
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this.fill.dispose();
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this.border.dispose();
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}
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/**
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* @private
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* Creates a shape from a data object, usually parsed json from a markers.json
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* @param shapeData {object}
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* @returns {Shape}
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*/
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createShapeFromData(shapeData) {
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/** @type {THREE.Vector2[]} **/
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let points = [];
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if (Array.isArray(shapeData)){
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shapeData.forEach(point => {
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let x = (point.x || 0) - this.position.x;
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let z = (point.z || 0) - this.position.z;
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points.push(new Vector2(x, z));
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});
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}
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return new Shape(points);
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}
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}
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class ShapeMarkerFill extends Mesh {
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/**
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* @param shape {Shape}
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*/
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constructor(shape) {
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let geometry = ShapeMarkerFill.createGeometry(shape);
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let material = new ShaderMaterial({
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vertexShader: MARKER_FILL_VERTEX_SHADER,
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fragmentShader: MARKER_FILL_FRAGMENT_SHADER,
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side: DoubleSide,
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depthTest: true,
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transparent: true,
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uniforms: {
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markerColor: { value: new Color() },
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markerOpacity: { value: 0 },
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fadeDistanceMin: { value: 0 },
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fadeDistanceMax: { value: Number.MAX_VALUE },
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}
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});
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super(geometry, material);
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}
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/**
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* @returns {Color}
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*/
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get color(){
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return this.material.uniforms.markerColor.value;
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}
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/**
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* @returns {number}
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*/
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get opacity() {
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return this.material.uniforms.markerOpacity.value;
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}
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/**
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* @param opacity {number}
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*/
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set opacity(opacity) {
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this.material.uniforms.markerOpacity.value = opacity;
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this.visible = opacity > 0;
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}
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/**
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* @returns {boolean}
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*/
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get depthTest() {
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return this.material.depthTest;
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}
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/**
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* @param test {boolean}
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*/
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set depthTest(test) {
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this.material.depthTest = test;
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}
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/**
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* @returns {number}
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*/
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get fadeDistanceMin() {
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return this.material.uniforms.fadeDistanceMin.value;
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}
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/**
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* @param min {number}
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*/
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set fadeDistanceMin(min) {
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this.material.uniforms.fadeDistanceMin.value = min;
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}
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/**
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* @returns {number}
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*/
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get fadeDistanceMax() {
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return this.material.uniforms.fadeDistanceMax.value;
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}
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/**
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* @param max {number}
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*/
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set fadeDistanceMax(max) {
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this.material.uniforms.fadeDistanceMax.value = max;
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}
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onClick(event) {
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if (event.intersection) {
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if (event.intersection.distance > this.fadeDistanceMax) return false;
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if (event.intersection.distance < this.fadeDistanceMin) return false;
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}
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return super.onClick(event);
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}
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/**
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* @param shape {Shape}
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*/
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updateGeometry(shape) {
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this.geometry.dispose();
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this.geometry = ShapeMarkerFill.createGeometry(shape);
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}
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dispose() {
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this.geometry.dispose();
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this.material.dispose();
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}
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/**
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* @param shape {Shape}
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* @returns {ShapeBufferGeometry}
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*/
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static createGeometry(shape) {
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let geometry = new ShapeBufferGeometry(shape, 5);
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geometry.rotateX(Math.PI / 2); //make y to z
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return geometry;
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}
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}
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class ShapeMarkerBorder extends Line2 {
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/**
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* @param shape {Shape}
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*/
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constructor(shape) {
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let geometry = new LineGeometry();
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geometry.setPositions(ShapeMarkerBorder.createLinePoints(shape));
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let material = new LineMaterial({
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color: new Color(),
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opacity: 0,
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transparent: true,
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linewidth: 1,
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depthTest: true,
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vertexColors: false,
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dashed: false,
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});
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material.uniforms.fadeDistanceMin = { value: 0 };
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material.uniforms.fadeDistanceMax = { value: Number.MAX_VALUE };
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material.resolution.set(window.innerWidth, window.innerHeight);
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super(geometry, material);
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this.computeLineDistances();
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}
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/**
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* @returns {Color}
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*/
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get color(){
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return this.material.color;
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}
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/**
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* @returns {number}
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*/
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get opacity() {
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return this.material.opacity;
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}
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/**
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* @param opacity {number}
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*/
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set opacity(opacity) {
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this.material.opacity = opacity;
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this.visible = opacity > 0;
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}
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/**
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* @returns {number}
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*/
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get linewidth() {
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return this.material.linewidth;
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}
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/**
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* @param width {number}
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*/
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set linewidth(width) {
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this.material.linewidth = width;
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}
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/**
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* @returns {boolean}
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*/
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get depthTest() {
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return this.material.depthTest;
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}
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/**
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* @param test {boolean}
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*/
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set depthTest(test) {
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this.material.depthTest = test;
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}
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/**
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* @returns {number}
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*/
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get fadeDistanceMin() {
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return this.material.uniforms.fadeDistanceMin.value;
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}
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/**
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* @param min {number}
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*/
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set fadeDistanceMin(min) {
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this.material.uniforms.fadeDistanceMin.value = min;
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}
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/**
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* @returns {number}
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*/
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get fadeDistanceMax() {
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return this.material.uniforms.fadeDistanceMax.value;
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}
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/**
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* @param max {number}
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*/
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set fadeDistanceMax(max) {
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this.material.uniforms.fadeDistanceMax.value = max;
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}
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onClick(event) {
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if (event.intersection) {
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if (event.intersection.distance > this.fadeDistanceMax) return false;
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if (event.intersection.distance < this.fadeDistanceMin) return false;
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}
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return super.onClick(event);
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}
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/**
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* @param shape {Shape}
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*/
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updateGeometry(shape) {
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this.geometry.setPositions(ShapeMarkerBorder.createLinePoints(shape));
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this.computeLineDistances();
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}
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/**
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* @param renderer {THREE.WebGLRenderer}
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*/
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onBeforeRender(renderer) {
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renderer.getSize(this.material.resolution);
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}
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dispose() {
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this.geometry.dispose();
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this.material.dispose();
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}
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/**
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* @param shape {Shape}
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* @returns {number[]}
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*/
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static createLinePoints(shape) {
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let points3d = [];
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let points = shape.getPoints(5);
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points.forEach(point => points3d.push(point.x, 0, point.y));
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points3d.push(points[0].x, 0, points[0].y);
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return points3d;
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}
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} |