static unsafe IConstantBuffer GetObjectCB(MyRenderContext RC, MyInstanceComponent instance, float stateData) { Vector4 col0, col1, col2; instance.GetMatrixCols(0, out col0, out col1, out col2); Matrix matrix = Matrix.Identity; matrix.SetRow(0, col0); matrix.SetRow(1, col1); matrix.SetRow(2, col2); matrix = Matrix.Transpose(matrix); int cbSize = sizeof(MyObjectDataCommon); cbSize += sizeof(MyObjectDataNonVoxel); IConstantBuffer cb = MyCommon.GetObjectCB(cbSize); var mapping = MyMapping.MapDiscard(RC, cb); MyObjectDataNonVoxel nonVoxelData = new MyObjectDataNonVoxel(); mapping.WriteAndPosition(ref nonVoxelData); MyObjectDataCommon commonData = new MyObjectDataCommon(); commonData.LocalMatrix = matrix; commonData.ColorMul = Vector3.One; commonData.KeyColor = new Vector3(0, -1f, 0f); commonData.CustomAlpha = stateData; mapping.WriteAndPosition(ref commonData); mapping.Unmap(); return(cb); }