quadraticCurveTo method
Implementation
quadraticCurveTo(num aCPx, num aCPy, num aX, num aY) {
var curve = QuadraticBezierCurve(currentPoint.clone(),
Vector2(aCPx.toDouble(), aCPy.toDouble()), Vector2(aX.toDouble(), aY.toDouble()));
curves.add(curve);
currentPoint.set(aX.toDouble(), aY.toDouble());
return this;
}