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Cubic Bézier easing? #3

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mbostock opened this issue Jun 11, 2015 · 1 comment · May be fixed by #29
Open

Cubic Bézier easing? #3

mbostock opened this issue Jun 11, 2015 · 1 comment · May be fixed by #29
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@mbostock
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See d3/d3#1982. The only problem is that it’s kind of a pain to evaluate a cubic Bézier for y given x (rather than t), so it probably requires a numerical solution.
@krukon krukon mentioned this issue Feb 21, 2016
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@mbostock mbostock mentioned this issue Mar 1, 2016
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Fil commented Jul 5, 2020 •
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I've implemented a new function here https://observablehq.com/d/e7d4fef33e304f2b
Compared to a reference implementation: we get the same speed, and, unless I'm mistaken, our results are more accurate for the limiting cases of x1=0 and y1=1.

@Fil Fil self-assigned this Jul 10, 2020
@Fil Fil added the feature label Jul 10, 2020
Fil added a commit that referenced this issue Jul 22, 2020
@Fil
easeBezier
6f23b27 
with In, Out and InOut for symmetry with the others

closes #3
@Fil Fil linked a pull request Jul 22, 2020 that will close this issue
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easeBezier d3/d3-ease
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