public TriangleMeshLight(LightMaterial mt, RayEngineScene scene, TriangleMeshInfo mesh) : base(mt)
{
this.scene = scene;
this.mesh = mesh;
this.rnd = new FastRandom();
triangleSampleData = new TriangleSample[this.mesh.TrianglesCount];
for (int i = mesh.StartTriangle, j = 0; i < mesh.EndTriangle; i++, j++)
{
triangleSampleData[j] = new TriangleSample(scene.Triangles[i].AreaV(scene.Vertices), NormalModifier * scene.Triangles[i].ComputeNormal(scene.Vertices));
}
triangleSampleData.PartialSort((a, b) => a.Item1.CompareTo(a.Item1), 0, triangleSampleData.Length);
}
public void Initialize(IRayEngineScene scen, params object[] data)
{
zeroSpectra = GlobalConfiguration.Instance.SpectralRendering
? (ISpectrum)ZeroCSpectrumArray
: this.RgbSpectrumZeroArray;
var scn = (RayEngineScene)scen;
if (mesh == null && !string.IsNullOrWhiteSpace(MeshName))
{
this.mesh =
scn.Meshes.FirstOrDefault(
item => item.MeshName.Equals(MeshName, StringComparison.CurrentCultureIgnoreCase));
if (this.mesh != null)
{
if (this.mesh.MeshProfile == null)
{
this.mesh.MeshProfile = new LightsourceProfile()
{
Light = this
};
}
else
{
var lightsourceProfile = this.mesh.MeshProfile as LightsourceProfile;
if (lightsourceProfile != null)
lightsourceProfile.Light = this;
}
meshMeshArea = 0;
for (int i = mesh.StartTriangle; i < mesh.EndTriangle; i++)
{
meshMeshArea += scn.Triangles[i].AreaV(scn.Vertices);
}
}
}
if (mesh == null)
{
throw new ArgumentException("Cant find light mesh", this.LightName ?? this.MeshName);
}
triangleSampleData = new TriangleSample[this.mesh.TrianglesCount];
this.scene = scn;
for (int i = mesh.StartTriangle, j = 0; i < mesh.EndTriangle; i++, j++)
{
triangleSampleData[j] = new TriangleSample(scene.Triangles[i].AreaV(scene.Vertices), NormalModifier * scene.Triangles[i].ComputeNormal(scene.Vertices));
}
triangleSampleData.PartialSort((a, b) => a.Item1.CompareTo(a.Item1), 0, triangleSampleData.Length);
if (gain.IsBlack() || infoGain == null)
{
gain = scn.DefaultLightGain;
infoGain = new RgbSpectrumInfo(gain);
}
lightSpectra = GlobalConfiguration.Instance.SpectralRendering ? spectra.ToArray() : gain.ToArray();
}
