Add ability to start choreography at random time

[tessmichi]

If director asks for "start at t=72", we can start the piece here. Alternatively, may choose to give "names" to segments of the dance and be able to start from a named segment.

So this would entail programmatically creating a new transition for each drone from a new "home" starting point. Will require math to calculate non-crossing paths as well as getting to correct velocity at the point in the choreography we want to start at.

[tessmichi]

Assigning Kyle because he was assigned to the issue that was a duplicate of this

[tessmichi]

GUI should provide interaction with this, #53

[dmz38]

Please create a GUI subtask for this and relate and assign to me for a future sprint.

On Mon, Nov 7, 2016 at 7:03 PM, Tess notifications@github.com wrote:

GUI should provide interaction with this

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[tessmichi]

53 is what I believe you're requesting @dmz38

[tessmichi]

Sorry if my redundant comments are confusing, in that the one relating this task with the other task was written on each task individually. i thought that would help visibility but if that just makes it too confusing then it's not worth it

[tessmichi]

Will safely assume that each chained blocking sheet (aka each jocs file) can be sequentially differential with its prior or next sheet.

[tessmichi]

Also be able to "end" choreography at random time, with safe landing

[tessmichi]

started adding helper methods in "breakpoints" branch

[tessmichi]

Duplicate because was broken into subtasks: #69 and #70