StorymapperArrow/ArrowPoints.js
2025-04-03 20:10:23 +02:00

70 lines
2.4 KiB
JavaScript

const canvas = document.getElementById("canvas");
// Compute arrow polygon
import { getArrowPolygon } from "athena-utils/Arrow.js";
import { getCirclePolygon } from "athena-utils/BasicShapes.js";
import { getRectanglePolygon } from "athena-utils/BasicShapes.js";
// Polygon merge using Turf library
import {mergeTurfPolygons} from "athena-utils/Polygon.js";
import {addTurfPolygonToMerge} from "athena-utils/Polygon.js";
import {toTurfPolygon} from "athena-utils/Polygon.js";
import {drawPolygon} from "athena-utils/PolygonVisuals.js";
const points = [
{ x: 50, y: 400 },
{ x: 150, y: 100 },
{ x: 300, y: 200 },
{ x: 300, y: 400 },
];
const pointsB = [
{ x: 310, y: 300 },
{ x: 380, y: 350 },
{ x: 400, y: 300 },
{ x: 450, y: 330 }
];
const pointsC = [
{ x: 50, y: 100 },
{ x: 100, y: 100 },
{ x: 180, y: 95 }
];
const circleCenter = {x:320, y:180};
const circleRadius = 70;
const circleDensity = 15;
const circleCenterB = {x:400, y:280};
const circleRadiusB = 70;
const circleDensityB = 15;
const rectangleCenter= {x:100, y:300};
const rectangleSideA = 70;
const rectangleSideB = 200;
const rectangleRotation = 40;
const arrowPolygonA = getArrowPolygon(points, 0.02, 50, 10, true, 40, 35);
const arrowPolygonB = getArrowPolygon(pointsB, 0.02, 10, 10, true, 40, 35);
const arrowPolygonC = getArrowPolygon(pointsC, 0.02, 50, 10, false, 40, 35);
const circlePolygon = getCirclePolygon(circleCenter, circleRadius, circleDensity);
const circlePolygonB = getCirclePolygon(circleCenterB, circleRadiusB, circleDensityB);
const rectanglePolygon = getRectanglePolygon(rectangleCenter, rectangleSideA, rectangleSideB, rectangleRotation);
const mergedTurfPoly = mergeTurfPolygons(arrowPolygonA, arrowPolygonC);
const mergedTurfPolyAll = addTurfPolygonToMerge(mergedTurfPoly, arrowPolygonB);
const mergedTurfPolyRectangle = addTurfPolygonToMerge(mergedTurfPolyAll, rectanglePolygon);
const mergedRectangle = mergeTurfPolygons(circlePolygon, circlePolygonB);
const rectanglePoly = getRectanglePolygon(circleCenter, rectangleSideA, rectangleSideB, rectangleRotation*-1);
const rectangleToTurfPoly = toTurfPolygon(rectanglePoly);
console.log(mergedTurfPolyRectangle);
console.log(mergedRectangle);
drawPolygon(mergedTurfPolyRectangle, "rgba(255, 0, 0, 0.5)", canvas);
drawPolygon(mergedRectangle, "rgba(0, 255, 0, 0.5)", canvas);
drawPolygon(rectangleToTurfPoly, "rgba(234, 0, 255, 0.5)", canvas);