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Added ofxUIEnvelope, ofxUIEnvelopeEditor and associated changes in ofxUICanvas.h and ofxUI.h #163
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| currentY = envPosY + (1-tempEnv.getY((double)i/rect->getWidth()) | ||
| * rect->getHeight()); | ||
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| polyline.addVertex(currentX, currentY); |
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I'm sure it'd be a lot more efficient to only add vertices at each ofxUIEnvelope "point", rather than adding a vertex for every pixel. The only reason I hadn't done this yet as I'm unsure how to utilise the bezier function in ofPolyline to represent the ofxUIEnvelope's bezier curves :-/
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Closing - going to edit this into the new .h / .cpp format |
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Hey Rez!
Here's the src for the envelope editor I was showing you. Hope it's not too messy! I tried commenting in most places, hopefully it all makes sense. Let me know if it doesn't!
If anyone else reading this wants to see it working, here's a short example where i'm using it to control amplitude and frequency envelopes in an instrument editor.
https://www.youtube.com/watch?v=BK0f3CicNR4
Cheers,
Mitch