public void Init(double x1, double y1,
double cx1, double cy1,
double cx2, double cy2,
double x2, double y2)
{
if (m_approximation_method == Curves.CurveApproximationMethod.Inc)
{
m_curve_inc.Init(x1, y1, cx1, cy1, cx2, cy2, x2, y2);
}
else
{
m_curve_div.Init(x1, y1, cx1, cy1, cx2, cy2, x2, y2);
}
}
static void CreateBezierVxs4(VertexStore vxs,
double x0, double y0,
double x1, double y1,
double x2, double y2,
double x3, double y3)
{
//1. subdiv technique
s_curve4Div.Init(x0, y0, x1, y1, x2, y2, x3, y3);
ArrayList <Vector2> points = s_curve4Div.GetInternalPoints();
int n = 0;
for (int i = points.Length - 1; i >= 0; --i)
{
Vector2 p = points[n++];
vxs.AddLineTo(p.x, p.y);
}
//----------------------------------------
//2. old tech -- use incremental
//var curve = new VectorMath.BezierCurveCubic(
// start, end,
// control1, control2);
//vxs.AddLineTo(start.x, start.y);
//float eachstep = (float)1 / NSteps;
//float stepSum = eachstep;//start
//for (int i = NSteps - 1; i >= 0; --i)
//{
// var vector2 = curve.CalculatePoint(stepSum);
// vxs.AddLineTo(vector2.x, vector2.y);
// stepSum += eachstep;
//}
//vxs.AddLineTo(end.x, end.y);
}