void Update()
{
// Check if the webcam is ready (needed for macOS support)
if (_webcamRaw.width <= 16)
{
return;
}
// Input buffer update
var vflip = _webcamRaw.videoVerticallyMirrored;
var scale = new Vector2(1, vflip ? -1 : 1);
var offset = new Vector2(0, vflip ? 1 : 0);
Graphics.Blit(_webcamRaw, _webcamBuffer, scale, offset);
// Run the object detector with the webcam input.
_detector.ProcessImage
(_webcamBuffer, _scoreThreshold, _overlapThreshold);
// Draw bouding boxes into the alpha channel of _webcamBuffer.
RenderTexture.active = _webcamBuffer;
_detector.SetIndirectDrawCount(_drawArgs);
_material.SetBuffer("_Boxes", _detector.BoundingBoxBuffer);
_material.SetPass(0);
Graphics.DrawProceduralIndirectNow(MeshTopology.Triangles, _drawArgs, 0);
}
void OnPostRender()
{
// Bounding box visualization
_detector.SetIndirectDrawCount(_drawArgs);
_material.SetBuffer("_Boxes", _detector.BoundingBoxBuffer);
_material.SetPass(0);
Graphics.DrawProceduralIndirectNow
(MeshTopology.Triangles, _drawArgs, 0);
}