internal override VertexCollection GetVertices(PointF origin)
{
if (_cachedVerts != null)
{
return(_cachedVerts);
}
VertexCollection result = new VertexCollection()
{
Mode = BeginMode.LineStrip
};
float deltaValue = 1f / (float)Resolution;
for (int i = 0; i < Resolution; i++)
{
float value = (float)i * deltaValue;
PointF interpolated01 = P0.LerpTo(P1, value);
PointF interpolated12 = P1.LerpTo(P2, value);
PointF interpolated23 = P2.LerpTo(P3, value);
PointF interpolated01_12 = interpolated01.LerpTo(interpolated12, value);
PointF interpolated12_23 = interpolated12.LerpTo(interpolated23, value);
PointF interpolatedFinal = interpolated01_12.LerpTo(interpolated12_23, value);
result.Add(interpolatedFinal.Add(Position));
}
result = base.RotateVerts(result);
_cachedVerts = result;
return(_cachedVerts);
}
