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I animated a bunch of blinking LED lights, and put key frames on the spots where I want the LED on and off. The LED lights have an f curve to them, currently it's on the more logarithmic curve. I am aware of how to turn the f curves into linear slopes, or how to manually edit an individual curve into a shape I want. What I want is to have the curves non-existent - once it hits the key frame that says "on" it holds this level until it reaches the key frame that says "off". For onstance:

Frame 100: on 106: off 112: on

I have twenty LED lights, almost two hundred frames and key frame changes every quarter second. Please tell me there is an easy way to do this:(

Also, is there a way to copy key frames and paste them later on in the dope sheet? Every 48 frames my animation resets, so copying 48 frames four times is easier than doing 192 frames.

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  • $\begingroup$ Please only ask one question per post. You are welcome to ask as many questions as you need as separate posts. $\endgroup$
    – Ray Mairlot
    Commented Jun 15, 2016 at 2:49
  • $\begingroup$ You must use the linear f-curve to get an immediate jump in your values like you want. You can copy/paste the same way as anywhere else... ctrl-c ctrl-v, box-select, etc. When you paste, it shows up whever the green cursor isin the active window. $\endgroup$
    – Anthony Forwood
    Commented Jun 15, 2016 at 2:53

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What you're looking for is the 'Constant' interpolation type for F-curves.

In the Graph Editor, select the F-curve that you don't want to have 'linear' interpolation by selecting the curve points and then choose Key> Interpolation Mode> Constant:

enter image description here

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