public static SurfaceGenerator Convert(SimpleSurfaceGenerator source)
{
if (source == null)
throw new ArgumentNullException("source");
return (ref Vector2d input, out Vector3d normal) => {
const double sampleDistance = 1e-6;
Vector3d position = source(ref input);
Vector2d right = input + new Vector2d(sampleDistance, 0), down = input + new Vector2d(0, sampleDistance);
Vector3d s2 = source(ref right) - position;
Vector3d s3 = source(ref down) - position;
normal = s2.Cross(s3).Normalized;
return position;
};
}
public static SurfaceGenerator Convert(SimpleSurfaceGenerator source)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
return((ref Vector2d input, out Vector3d normal) => {
const double sampleDistance = 1e-6;
Vector3d position = source(ref input);
Vector2d right = input + new Vector2d(sampleDistance, 0), down = input + new Vector2d(0, sampleDistance);
Vector3d s2 = source(ref right) - position;
Vector3d s3 = source(ref down) - position;
normal = s2.Cross(s3).Normalized;
return position;
});
}
public ProceduralParameters StartProcedural(SimpleSurfaceGenerator generator)
{
return new ProceduralParameters(generator, this);
}
public ProceduralParameters(SimpleSurfaceGenerator surfaceGenerator, ModelBuilder builder)
: this(Convert(surfaceGenerator), builder)
{
}
public ProceduralParameters SetSurfaceGenerator(SimpleSurfaceGenerator value)
{
return SetSurfaceGenerator(Convert(value));
}
public ProceduralParameters StartProcedural(SimpleSurfaceGenerator generator)
{
return(new ProceduralParameters(generator, this));
}
public ProceduralParameters SetSurfaceGenerator(SimpleSurfaceGenerator value)
{
return(SetSurfaceGenerator(Convert(value)));
}
public ProceduralParameters(SimpleSurfaceGenerator surfaceGenerator, ModelBuilder builder) : this(Convert(surfaceGenerator), builder)
{
}
