/// <summary>
/// Maps <see cref="SpatialAwarenessMeshLevelOfDetail"/> to <see cref="TrianglesPerCubicMeter"/>.
/// </summary>
/// <param name="levelOfDetail">The desired level of density for the spatial mesh.</param>
/// <returns>
/// The number of triangles per cubic meter that will result in the desired level of density.
/// </returns>
private int LookupTriangleDensity(SpatialAwarenessMeshLevelOfDetail levelOfDetail)
{
int triangleDensity = 0;
switch (levelOfDetail)
{
case SpatialAwarenessMeshLevelOfDetail.Coarse:
triangleDensity = 0;
break;
case SpatialAwarenessMeshLevelOfDetail.Medium:
triangleDensity = 400;
break;
case SpatialAwarenessMeshLevelOfDetail.Fine:
triangleDensity = 2000;
break;
default:
Debug.LogWarning($"There is no triangle density lookup for {levelOfDetail}, defaulting to Coarse");
triangleDensity = 0;
break;
}
return(triangleDensity);
}
/// <inheritdoc />
protected override int LookupTriangleDensity(SpatialAwarenessMeshLevelOfDetail levelOfDetail)
{
// For non-custom levels, the enum value is the appropriate triangles per cubic meter.
int level = (int)levelOfDetail;
if (XRSubsystemHelpers.MeshSubsystem != null)
{
XRSubsystemHelpers.MeshSubsystem.meshDensity = level / (float)SpatialAwarenessMeshLevelOfDetail.Fine; // For now, map Coarse to 0.0 and Fine to 1.0
}
return(level);
}
/// <inheritdoc />
protected override int LookupTriangleDensity(SpatialAwarenessMeshLevelOfDetail levelOfDetail)
{
// For non-custom levels, the enum value is the appropriate triangles per cubic meter.
int level = (int)levelOfDetail;
if (meshSubsystem != null)
{
if (levelOfDetail == SpatialAwarenessMeshLevelOfDetail.Unlimited)
{
MeshingSettings.density = meshSubsystem.meshDensity = 1;
}
else
{
MeshingSettings.density = meshSubsystem.meshDensity = level / (float)SpatialAwarenessMeshLevelOfDetail.Fine; // For now, map Coarse to 0.0 and Fine to 1.0
}
}
return(level);
}
/// <summary>
/// Converts a MRTK/platform agnostic <see cref="SpatialAwarenessMeshLevelOfDetail"/> to a <see cref="Microsoft.MixedReality.SceneUnderstanding"/> <see cref="SceneMeshLevelOfDetail"/>.
/// </summary>
/// <param name="levelofDetail">The <see cref="SpatialAwarenessMeshLevelOfDetail"/> to convert.</param>
/// <returns>The equivalent <see cref="Microsoft.MixedReality.SceneUnderstanding"/> <see cref="SceneMeshLevelOfDetail"/></returns>
private SceneMeshLevelOfDetail LevelOfDetailToMeshLOD(SpatialAwarenessMeshLevelOfDetail levelofDetail)
{
switch (levelofDetail)
{
case SpatialAwarenessMeshLevelOfDetail.Custom:
Debug.LogWarning("SceneUnderstanding LOD is set to custom, falling back to Medium");
return(SceneMeshLevelOfDetail.Medium);
case SpatialAwarenessMeshLevelOfDetail.Coarse:
return(SceneMeshLevelOfDetail.Coarse);
case SpatialAwarenessMeshLevelOfDetail.Medium:
return(SceneMeshLevelOfDetail.Medium);
case SpatialAwarenessMeshLevelOfDetail.Fine:
return(SceneMeshLevelOfDetail.Fine);
case SpatialAwarenessMeshLevelOfDetail.Unlimited:
return(SceneMeshLevelOfDetail.Unlimited);
default:
throw new NotImplementedException();
}
}
/// <summary>
/// Maps <see cref="SpatialAwarenessMeshLevelOfDetail"/> to <see cref="TrianglesPerCubicMeter"/>.
/// </summary>
/// <param name="levelOfDetail">The desired level of density for the spatial mesh.</param>
/// <returns>
/// The number of triangles per cubic meter that will result in the desired level of density.
/// </returns>
protected virtual int LookupTriangleDensity(SpatialAwarenessMeshLevelOfDetail levelOfDetail)
{
// By default, returns the existing value. This will be custom defined for each platform, if necessary.
return(TrianglesPerCubicMeter);
}
