scichart/utils/geometryHelpers.js

Fast WebGL JavaScript Charting Library and Framework

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.geometryHelpers = void 0;
function calcArrowHeadParameters(tipX, tipY, angleRadian, headLength, headWidth, headDepth) {
    var halfWidth = headWidth / 2;
    var cosine = Math.cos(angleRadian);
    var sine = Math.sin(angleRadian);
    var baseX = tipX - headLength * cosine;
    var baseY = tipY - headLength * sine;
    var leftX = baseX + halfWidth * sine;
    var leftY = baseY - halfWidth * cosine;
    var rightX = baseX - halfWidth * sine;
    var rightY = baseY + halfWidth * cosine;
    var baseMidX = tipX - headDepth * cosine;
    var baseMidY = tipY - headDepth * sine;
    return {
        baseMidX: baseMidX,
        baseMidY: baseMidY,
        leftX: leftX,
        leftY: leftY,
        rightX: rightX,
        rightY: rightY
    };
}
exports.geometryHelpers = {
    calcArrowHeadParameters: calcArrowHeadParameters
};