First try on creating trail effect from the kinect feed.

This is a reproduction of the effect seen at vimeo.com/17752372.

On the technical side:
Capture depth+color image from kinect
Record N frames (in this sample there is 4 seconds animation)
Update GL texture array (using texture arrays)
Send texture to the shader
On the shader side find which layer is valid (based on distance)
Compose final image.

So whats new? texture arrays. opengl.org/wiki/Array_Texture

Only 32 frames are used from the 4 seconds animation for this example.

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