/// <summary>
/// Registers an LOD to the prototype. LODs contain the renderers for instance prototypes,
/// so even if no LOD is being used, the prototype must be registered as LOD0 using this method.
/// </summary>
/// <param name="screenRelativeTransitionHeight">if not defined, will default to 0</param>
public void AddLod(float screenRelativeTransitionHeight = -1, bool excludeBounds = false)
{
if (instanceLODs == null)
{
instanceLODs = new List <GPUInstancerPrototypeLOD>();
}
GPUInstancerPrototypeLOD instanceLOD = new GPUInstancerPrototypeLOD();
instanceLOD.excludeBounds = excludeBounds;
instanceLODs.Add(instanceLOD);
// Ensure the LOD will render if this is the first LOD and lodDistance is not set.
if (instanceLODs.Count == 1 && screenRelativeTransitionHeight < 0f)
{
lodSizes[0] = 0;
}
// Do not modify the lodDistances vector if LOD distance is not supplied.
if (screenRelativeTransitionHeight < 0f)
{
return;
}
float lodSize = (screenRelativeTransitionHeight / (prototype != null && prototype.lodBiasAdjustment > 0 ? prototype.lodBiasAdjustment : 1)) / QualitySettings.lodBias;
if (instanceLODs.Count < 5)
{
lodSizes[(instanceLODs.Count - 1) * 4] = lodSize;
}
else
{
lodSizes[(instanceLODs.Count - 5) * 4 + 1] = lodSize;
}
if (prototype.isLODCrossFade)
{
#if !UNITY_EDITOR && UNITY_ANDROID
prototype.isLODCrossFade = false;
#else
if (!prototype.isLODCrossFadeAnimate)
{
float previousLodSize = 1;
if (instanceLODs.Count > 1)
{
if (instanceLODs.Count < 5)
{
previousLodSize = lodSizes[(instanceLODs.Count - 2) * 4];
}
else if (instanceLODs.Count == 5)
{
previousLodSize = lodSizes[12];
}
else
{
previousLodSize = lodSizes[(instanceLODs.Count - 6) * 4];
}
}
float dif = previousLodSize - lodSize;
float cfSize = lodSize + dif * prototype.lodFadeTransitionWidth;
if (instanceLODs.Count < 5)
{
lodCFSizes[(instanceLODs.Count - 1) * 4] = cfSize;
}
else
{
lodCFSizes[(instanceLODs.Count - 5) * 4 + 1] = cfSize;
}
}
#endif
}
}
/// <summary>
/// Registers an LOD to the prototype. LODs contain the renderers for instance prototypes,
/// so even if no LOD is being used, the prototype must be registered as LOD0 using this method.
/// </summary>
/// <param name="screenRelativeTransitionHeight">if not defined, will default to 0</param>
public virtual void AddLod(float screenRelativeTransitionHeight = -1, bool excludeBounds = false)
{
if (instanceLODs == null)
{
instanceLODs = new List <GPUInstancerPrototypeLOD>();
}
GPUInstancerPrototypeLOD instanceLOD = new GPUInstancerPrototypeLOD();
instanceLOD.excludeBounds = excludeBounds;
instanceLODs.Add(instanceLOD);
// Ensure the LOD will render if this is the first LOD and lodDistance is not set.
if (instanceLODs.Count == 1 && screenRelativeTransitionHeight < 0f)
{
lodSizes[0] = 0;
}
// Do not modify the lodDistances vector if LOD distance is not supplied.
if (screenRelativeTransitionHeight < 0f)
{
return;
}
if (lodBiasApplied == -1)
{
lodBiasApplied = QualitySettings.lodBias;
}
int lodIndex = (instanceLODs.Count - 1) * 4;
if (instanceLODs.Count > 4)
{
lodIndex = (instanceLODs.Count - 5) * 4 + 1;
}
float lodSize = (screenRelativeTransitionHeight / (prototype != null && prototype.lodBiasAdjustment > 0 ? prototype.lodBiasAdjustment : 1)) / lodBiasApplied;
lodSizes[lodIndex] = lodSize;
if (GPUInstancerUtility.matrixHandlingType != GPUIMatrixHandlingType.Default)
{
prototype.isLODCrossFade = false;
}
if (prototype.isLODCrossFade)
{
if (!prototype.isLODCrossFadeAnimate)
{
float previousLodSize = 1;
if (instanceLODs.Count > 1)
{
if (instanceLODs.Count < 5)
{
previousLodSize = lodSizes[(instanceLODs.Count - 2) * 4];
}
else if (instanceLODs.Count == 5)
{
previousLodSize = lodSizes[12];
}
else
{
previousLodSize = lodSizes[(instanceLODs.Count - 6) * 4];
}
}
float dif = previousLodSize - lodSize;
float cfSize = lodSize + dif * prototype.lodFadeTransitionWidth;
lodSizes[lodIndex + 2] = cfSize;
}
}
}
