IEnumerator Simplify(Mesh inputMesh, Mesh outputMesh, float quality)
{
var meshSimplifier = new MeshSimplifier();
meshSimplifier.Vertices = inputMesh.vertices;
meshSimplifier.Normals = inputMesh.normals;
meshSimplifier.Tangents = inputMesh.tangents;
meshSimplifier.UV1 = inputMesh.uv;
meshSimplifier.UV2 = inputMesh.uv2;
meshSimplifier.UV3 = inputMesh.uv3;
meshSimplifier.UV4 = inputMesh.uv4;
meshSimplifier.Colors = inputMesh.colors;
var triangles = new int[inputMesh.subMeshCount][];
for (var submesh = 0; submesh < inputMesh.subMeshCount; submesh++)
{
triangles[submesh] = inputMesh.GetTriangles(submesh);
}
meshSimplifier.AddSubMeshTriangles(triangles);
meshSimplifier.SimplifyMesh(quality);
outputMesh.vertices = meshSimplifier.Vertices;
outputMesh.normals = meshSimplifier.Normals;
outputMesh.tangents = meshSimplifier.Tangents;
outputMesh.uv = meshSimplifier.UV1;
outputMesh.uv2 = meshSimplifier.UV2;
outputMesh.uv3 = meshSimplifier.UV3;
outputMesh.uv4 = meshSimplifier.UV4;
outputMesh.colors = meshSimplifier.Colors;
outputMesh.subMeshCount = meshSimplifier.SubMeshCount;
for (var submesh = 0; submesh < outputMesh.subMeshCount; submesh++)
{
outputMesh.SetTriangles(meshSimplifier.GetSubMeshTriangles(submesh), submesh);
}
yield break;
}
DMesh ToMeshDecimatorMesh(WMesh mesh, out int totalTriangleCount)
{
var vertices = ToVector3d(mesh.vertices);
int subMeshCount = mesh.subMeshCount;
var meshNormals = mesh.normals;
var meshTangents = mesh.tangents;
var meshUV1 = mesh.uv;
var meshUV2 = mesh.uv2;
var meshUV3 = mesh.uv3;
var meshUV4 = mesh.uv4;
var meshColors = mesh.colors;
//var meshBoneWeights = mesh.boneWeights;
//var meshBindposes = mesh.bindposes;
totalTriangleCount = 0;
var meshIndices = new int[subMeshCount][];
for (int i = 0; i < subMeshCount; i++)
{
meshIndices[i] = mesh.GetTriangles(i);
totalTriangleCount += meshIndices[i].Length / 3;
}
var dmesh = new DMesh(vertices, meshIndices);
if (meshNormals != null && meshNormals.Length > 0)
{
dmesh.Normals = ToVector3(meshNormals);
}
if (meshTangents != null && meshTangents.Length > 0)
{
dmesh.Tangents = ToVector4(meshTangents);
}
if (meshUV1 != null && meshUV1.Length > 0)
{
dmesh.UV1 = ToVector2(meshUV1);
}
if (meshUV2 != null && meshUV2.Length > 0)
{
dmesh.UV2 = ToVector2(meshUV2);
}
if (meshUV3 != null && meshUV3.Length > 0)
{
dmesh.UV3 = ToVector2(meshUV3);
}
if (meshUV4 != null && meshUV4.Length > 0)
{
dmesh.UV4 = ToVector2(meshUV4);
}
if (meshColors != null && meshColors.Length > 0)
{
dmesh.Colors = ToVector4(meshColors);
}
//if (meshBoneWeights != null && meshBoneWeights.Length > 0)
// dmesh.BoneWeights = ToSimplifyBoneWeights(meshBoneWeights);
return(dmesh);
}