Function makeRegularPolygon

src/plots/polar/helpers.js:110–120

(r, vangles)

}

function makeRegularPolygon(r, vangles) {
    var len = vangles.length;
    var vertices = new Array(len + 1);
    var i;
    for(i = 0; i < len; i++) {
        var va = vangles[i];
        vertices[i] = [r * Math.cos(va), r * Math.sin(va)];
    }
    vertices[i] = vertices[0].slice();
    return vertices;
}

function makeClippedPolygon(r, a0, a1, vangles) {
    var len = vangles.length;