/*
* Private methods
*/
private static void DrawBox(ExtendedPropertyDrawer drawer)
{
var backgroundRect = drawer.Area;
backgroundRect.y -= 2;
backgroundRect.width += 2;
backgroundRect.height += 2;
backgroundRect.y += space;
backgroundRect.height -= space;
var shadowRect = backgroundRect;
shadowRect.x -= 1;
shadowRect.y -= 1;
shadowRect.width += 2;
shadowRect.height += 2;
GUI.DrawTexture(shadowRect, ColourTexture.Get(0, 0, 0, 255));
GUI.DrawTexture(backgroundRect, ColourTexture.Get(180, 180, 180, 255));
}
private void ReleaseTextures()
{
// Release the textures object.
ColourTexture?.ShutDown();
ColourTexture = null;
}
void Update()
{
// If the sensor reference does not exist or it is not ready, ensure that the frame
// arrived flags are reset and then cancel the update
if (!DoesSensorExist() || !IsSensorReady())
{
// If the frame handler is not already subscribed to the frame arrived event, do
// this and then flip the flag
if (!subscribedFrameHandler)
{
multiSourceReader.MultiSourceFrameArrived += FirstFrameArrivedHandler;
subscribedFrameHandler = true;
}
if (firstFrameArrived)
{
firstFrameArrived = false;
}
return;
}
// Otherwise, if the sensor is available and ready but the first frame is yet to arrive,
// simply return until it has arrived
if (!firstFrameArrived)
{
return;
}
// If all above checks have passed, the current frame of incoming data can be processed and
// made available to other classes
MultiSourceFrame newMultiFrame = multiSourceReader.AcquireLatestFrame();
if (newMultiFrame != null)
{
ColorFrame colourFrame = newMultiFrame.ColorFrameReference.AcquireFrame();
if (colourFrame != null)
{
DepthFrame depthFrame = newMultiFrame.DepthFrameReference.AcquireFrame();
if (depthFrame != null)
{
// If all frame references are valid, first generate the 2D texture from the current
// colour image by copying the frame pixel data into the byte array. Then, load
// this into the texture and apply the changes to render them
colourFrame.CopyConvertedFrameDataToArray(colourData, ColorImageFormat.Rgba);
ColourTexture.LoadRawTextureData(colourData);
ColourTexture.Apply();
// Copy the current depth frame data into the ushort array
depthFrame.CopyFrameDataToArray(DepthData);
// Finally, once all data has been copied, dispose of all frames and dereference
// them to free resources for the next incoming frame
depthFrame.Dispose();
depthFrame = null;
}
colourFrame.Dispose();
colourFrame = null;
}
newMultiFrame = null;
}
}
