tsparticles/Shapes/Polygon/PolygonDrawerBase.js

Easily create highly customizable particle animations and use them as animated backgrounds for your website. Ready to use components available also for React, Vue.js (2.x and 3.x), Angular, Svelte, jQuery, Preact, Riot.js, Inferno.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.PolygonDrawerBase = void 0;
class PolygonDrawerBase {
    getSidesCount(particle) {
        var _a, _b;
        const polygon = particle.shapeData;
        return (_b = (_a = polygon === null || polygon === void 0 ? void 0 : polygon.sides) !== null && _a !== void 0 ? _a : polygon === null || polygon === void 0 ? void 0 : polygon.nb_sides) !== null && _b !== void 0 ? _b : 5;
    }
    draw(context, particle, radius) {
        const start = this.getCenter(particle, radius);
        const side = this.getSidesData(particle, radius);
        const sideCount = side.count.numerator * side.count.denominator;
        const decimalSides = side.count.numerator / side.count.denominator;
        const interiorAngleDegrees = (180 * (decimalSides - 2)) / decimalSides;
        const interiorAngle = Math.PI - (Math.PI * interiorAngleDegrees) / 180;
        if (!context) {
            return;
        }
        context.beginPath();
        context.translate(start.x, start.y);
        context.moveTo(0, 0);
        for (let i = 0; i < sideCount; i++) {
            context.lineTo(side.length, 0);
            context.translate(side.length, 0);
            context.rotate(interiorAngle);
        }
    }
}
exports.PolygonDrawerBase = PolygonDrawerBase;