internal Mesh GetDistortionMesh(View viewId, Mesh oldMesh)
{
IntPtr intPtr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(VuforiaManagerImpl.MeshData)));
VuforiaWrapper.Instance.RenderingPrimitives_GetDistortionMesh((int)viewId, intPtr);
VuforiaManagerImpl.MeshData arg_3F_0 = (VuforiaManagerImpl.MeshData)Marshal.PtrToStructure(intPtr, typeof(VuforiaManagerImpl.MeshData));
Marshal.FreeHGlobal(intPtr);
return(MeshUtils.UpdateMesh(arg_3F_0, oldMesh, false, false));
}
public static Mesh UpdateMesh(VuforiaManagerImpl.MeshData meshData, Mesh oldMesh, bool setNormalsUpwards, bool swapYZ)
{
if (meshData.numVertexValues == 0 || meshData.numTriangleIndices == 0)
{
return(null);
}
if (oldMesh == null)
{
oldMesh = new Mesh();
}
else
{
oldMesh.Clear();
}
MeshUtils.CopyPositions(meshData.positionsArray, meshData.numVertexValues, oldMesh, swapYZ);
MeshUtils.CopyTriangles(meshData.triangleIdxArray, meshData.numTriangleIndices, oldMesh);
if (meshData.hasNormals == 1)
{
MeshUtils.CopyNormals(meshData.normalsArray, meshData.numVertexValues, oldMesh, swapYZ);
}
else if (setNormalsUpwards)
{
Vector3[] array = new Vector3[meshData.numVertexValues / 3];
for (int i = 0; i < array.Length; i++)
{
array[i] = Vector3.up;
}
oldMesh.normals = array;
}
else
{
oldMesh.RecalculateNormals();
}
if (meshData.hasTexCoords == 1)
{
MeshUtils.CopyTexCoords(meshData.texCoordsArray, meshData.numVertexValues * 2 / 3, oldMesh);
}
else
{
Vector2[] array2 = new Vector2[meshData.numVertexValues / 3];
for (int j = 0; j < meshData.numVertexValues / 3; j++)
{
array2[j] = new Vector2(0.5f, 0.5f);
}
oldMesh.uv = array2;
}
return(oldMesh);
}