// Render loop
private void NativeWindow_Render(object sender, NativeWindowEventArgs e)
{
OpenGL.CoreUI.NativeWindow nativeWindow = (OpenGL.CoreUI.NativeWindow)sender;
Gl.Viewport(0, 0, (int)nativeWindow.Width, (int)nativeWindow.Height);
Gl.Clear(ClearBufferMask.ColorBufferBit);
ERROR_CODE err = ERROR_CODE.FAILURE;
if (viewer.isAvailable() && zedCamera.Grab(ref runtimeParameters) == ERROR_CODE.SUCCESS)
{
if (zedMat.IsInit())
{
// Retrieve left image
err = zedCamera.RetrieveImage(zedMat, sl.VIEW.LEFT, sl.MEM.CPU);
// Update pose data (used for projection of the mesh over the current image)
tracking_state = zedCamera.GetPosition(ref cam_pose);
if (tracking_state == POSITIONAL_TRACKING_STATE.OK)
{
timer++;
if (userAction.hit)
{
Vector2 imageClick = new Vector2((float)userAction.hitCoord.X * (float)zedCamera.ImageWidth, (float)userAction.hitCoord.Y * (float)zedCamera.ImageHeight);
findPlaneStatus = zedCamera.findPlaneAtHit(ref plane, imageClick);
if (findPlaneStatus == ERROR_CODE.SUCCESS)
{
zedCamera.convertHitPlaneToMesh(planeMeshVertices, planeMeshTriangles, out nbVertices, out nbTriangles);
}
userAction.clear();
}
//if 500ms have spend since last request (for 60fps)
if (timer % 30 == 0 && userAction.pressSpace)
{
// Update pose data (used for projection of the mesh over the current image)
Quaternion priorQuat = Quaternion.Identity;
Vector3 priorTrans = Vector3.Zero;
findPlaneStatus = zedCamera.findFloorPlane(ref plane, out float playerHeight, priorQuat, priorTrans);
if (findPlaneStatus == ERROR_CODE.SUCCESS)
{
zedCamera.convertFloorPlaneToMesh(planeMeshVertices, planeMeshTriangles, out nbVertices, out nbTriangles);
}
userAction.clear();
}
}
if (findPlaneStatus == ERROR_CODE.SUCCESS)
{
viewer.updateMesh(planeMeshVertices, planeMeshTriangles, nbVertices, nbTriangles, plane.Type, plane.Bounds, userAction);
}
viewer.updateImageAndState(zedMat, cam_pose, tracking_state);
viewer.render();
}
}
}
// Render loop
private void NativeWindow_Render(object sender, NativeWindowEventArgs e)
{
OpenGL.CoreUI.NativeWindow nativeWindow = (OpenGL.CoreUI.NativeWindow)sender;
Gl.Viewport(0, 0, (int)nativeWindow.Width, (int)nativeWindow.Height);
Gl.Clear(ClearBufferMask.ColorBufferBit);
ERROR_CODE err = ERROR_CODE.FAILURE;
if (viewer.isAvailable() && zedCamera.Grab(ref runtimeParameters) == ERROR_CODE.SUCCESS)
{
if (zedMat.IsInit())
{
// Retrieve left image
err = zedCamera.RetrieveImage(zedMat, sl.VIEW.LEFT, sl.MEM.CPU);
// Update pose data (used for projection of the mesh over the current image)
tracking_state = zedCamera.GetPosition(ref cam_pose);
if (mapping_activated)
{
mapping_state = zedCamera.GetSpatialMappingState();
if (timer % 60 == 0 && viewer.chunksUpdated() == true)
{
zedCamera.RequestSpatialMap();
}
if (zedCamera.GetMeshRequestStatus() == ERROR_CODE.SUCCESS && timer > 0)
{
/// MAP_TYPE == MESH
if (CREATE_MESH)
{
//Retrieves data for mesh visualization only (vertices + triangles);
zedCamera.RetrieveChunks(ref mesh);
var chunks = new List <Chunk>(mesh.chunks.Values);
viewer.updateData(chunks);
}
/// MAP_TYPE == FUSED_POINT_CLOUD
else
{
zedCamera.RetrieveSpatialMap(ref fusedPointCloud);
viewer.updateData(fusedPointCloud.vertices);
}
}
}
bool change_state = viewer.updateImageAndState(zedMat, cam_pose, tracking_state, mapping_state);
if (change_state)
{
if (!mapping_activated)
{
Quaternion quat = Quaternion.Identity; Vector3 vec = Vector3.Zero;
zedCamera.ResetPositionalTracking(quat, vec);
zedCamera.EnableSpatialMapping(ref spatialMappingParameters);
Console.WriteLine("Hit SPACE BAR to stop spatial mapping...");
// Clear previous Mesh data
viewer.clearCurrentMesh();
mapping_activated = true;
}
else
{
// Filter the mesh (remove unnecessary vertices and faces)
if (CREATE_MESH)
{
zedCamera.ExtractWholeSpatialMap();
zedCamera.FilterMesh(MESH_FILTER.MEDIUM, ref mesh);
}
if (CREATE_MESH && spatialMappingParameters.saveTexture)
{
zedCamera.ApplyTexture(ref mesh);
}
bool error_save = false;
string saveName = "";
//Save mesh as obj file
if (CREATE_MESH)
{
saveName = "mesh_gen.obj";
error_save = zedCamera.SaveMesh(saveName, MESH_FILE_FORMAT.OBJ);
}
else
{
saveName = "point_cloud.ply";
error_save = zedCamera.SavePointCloud(saveName, MESH_FILE_FORMAT.PLY);
}
if (error_save)
{
Console.WriteLine("Mesh saved under: " + saveName);
}
else
{
Console.WriteLine("Failed to save the mesh under: " + saveName);
}
mapping_state = SPATIAL_MAPPING_STATE.NOT_ENABLED;
mapping_activated = false;
zedCamera.DisableSpatialMapping();
Console.WriteLine("Hit SPACE BAR to start spatial mapping...");
}
}
timer++;
viewer.render();
}
}
}
