jakke-graphics-ts/dist/utils/lineManipluationUtils.js

My common graphics utils for building my aec apps.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.LineManipulationUtils = void 0;
const vectorUtils_1 = require("./vectorUtils");
function OffsetLine(line, dist, side) {
    const dirLine = vectorUtils_1.VectorUtils.normalize(vectorUtils_1.VectorUtils.subtract(line.p1, line.p0));
    const directionFactor = side === 'left' ? 1 : -1;
    const rotatedDir = vectorUtils_1.VectorUtils.chain(dirLine).rotateOnXY(Math.PI * 0.5 * directionFactor).normalize().scale(dist).value();
    const p0Offset = vectorUtils_1.VectorUtils.add(line.p0, rotatedDir);
    const p1Offset = vectorUtils_1.VectorUtils.add(line.p1, rotatedDir);
    return { p0: p0Offset, p1: p1Offset };
}
exports.LineManipulationUtils = {
    OffsetLine
};
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