Function CatmullRomOpen

docs/app/js/sanddance-app.js:126236–126239

(context, alpha)

var _cardinalOpenJs = require("./cardinalOpen.js");
var _catmullRomJs = require("./catmullRom.js");
function CatmullRomOpen(context, alpha) {
    this._context = context;
    this._alpha = alpha;
}
CatmullRomOpen.prototype = {
    areaStart: function() {
        this._line = 0;