/// <summary>
///
/// </summary>
public override float Evaluate(Vector3 point)
{
// impl ref
// http://iquilezles.org/www/articles/distfunctions/distfunctions.htm
point = _toLocal.MultiplyPoint3x4(point);
switch (_type)
{
case ImplicitSurfaceType.Diamond:
return((float)ImplicitSurfaces.Diamond(point));
case ImplicitSurfaceType.Gyroid:
return((float)ImplicitSurfaces.Gyroid(point));
case ImplicitSurfaceType.HybridPW:
return((float)ImplicitSurfaces.HybridPW(point));
case ImplicitSurfaceType.IWP:
return((float)ImplicitSurfaces.IWP(point));
case ImplicitSurfaceType.Neovius:
return((float)ImplicitSurfaces.Neovius(point));
}
throw new System.NotImplementedException();
}
/// <summary>
///
/// </summary>
public bool Filter(Vector3 vector)
{
const float f = 2.0f * Mathf.PI;
vector.x *= f / CountX;
vector.y *= f / CountY;
vector.z *= f / CountZ;
//return ImplicitSurfaces.Gyroid(vector) > 0.5;
return(ImplicitSurfaces.Diamond(vector) > 0.3);
}