Esempio n. 1
0
        public void BuildControlNet(
            List <SurfaceControlPoint> controlPoints,
            int controlPointsUAxis,
            bool looped
            )
        {
            var dataRowsCount      = controlPoints.Count / controlPointsUAxis;
            var controlPointsVAxis = dataRowsCount + (looped ? 1 : 0);

            for (var x = 0; x < controlPointsUAxis; ++x)
            {
                for (var y = 0; y < controlPointsVAxis; ++y)
                {
                    var ym        = y % dataRowsCount;
                    var fromPoint =
                        controlPoints[controlPointsUAxis * ym + x].Position;

                    if (x < controlPointsUAxis - 1)
                    {
                        var toPointIndex = controlPointsUAxis * ym + x + 1;
                        _builder.Connect(fromPoint, NetColor);
                        _builder.Connect(
                            controlPoints[toPointIndex].Position,
                            NetColor
                            );
                        _builder.FinishChain();
                    }

                    if (y < controlPointsVAxis - 1)
                    {
                        var toPointIndex =
                            controlPointsUAxis * ((ym + 1) % dataRowsCount) + x;
                        _builder.Connect(fromPoint, NetColor);
                        _builder.Connect(
                            controlPoints[toPointIndex].Position,
                            NetColor
                            );
                        _builder.FinishChain();
                    }
                }
            }
        }
        protected void ScanConstantParameter(
            Func <int, double> uCoordGenerator,
            Func <int, double> vCoordGenerator,
            int samples)
        {
            for (var i = 0; i < samples; ++i)
            {
                var u = uCoordGenerator(i);
                var v = vCoordGenerator(i);

                if (_sampledSurface.Trimmer != null &&
                    !_sampledSurface.Trimmer.VerifyParametrisation(u, v))
                {
                    _builder.FinishChain();
                }
                else
                {
                    _builder.Connect(_sampledSurface.Evaluate(u, v));
                }
            }

            _builder.FinishChain();
        }