[PD] freehand drawing on video in GEM
cgclepper at gmail.com
Mon Jul 21 23:28:40 CEST 2008
Single buffer rendering can be used for 'painting' using a geos as various
On Mon, Jul 21, 2008 at 3:34 PM, Spencer Russell <
spencer.f.russell at gmail.com> wrote:
> I need to blob track a point of light in a video and use it to draw
> freehand in the GEM window, possibly mixed with previously-recorded
> video clips. I'd also like to connect the adjacent points with lines
> so that the drawing is continuous.
> I'm still pretty new to GEM, but I'm working on getting my head around
> all the render order and buffering ideas, I'm just not sure what the
> best approach is. I've tried using gemframebuffer going to a pix_snap,
> but it takes up 100% CPU, so I figure there's got to be a better way.
> Is there some sort of way I can just keep appending vertices to a list
> and use something like [curve]?
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