[kde-guidelines] HIG: Animations

[Heiko Tietze]

On Tuesday 29 July 2014, 11:20:15 David Edmundson wrote:
> >** Accelerate and decelerate movement as if has a mass. Consider to
> >correlate
> control size with mass and apply acceleration accordingly.
> 
> The term we tend to use is "easing":
> http://qt-project.org/doc/qt-5/qml-qtquick-propertyanimation.html#easing.typ
> e-prop In general we use "ease in-out" which means it accelerates to max
> speed, then slows down.

I added: "Use Easing.InOutQuad[1] for items up to 100px, Easing.InOutCubic if 
size is between 100 and 250px, and Easing.OutInQuart for all above 250px." The 
actual value should get decided by designers, IMHO.

>> ** Show a surface reaction on input (like a drop into water).
>This isn't very feasible.
Devs can do all :-)

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[1] http://qt-project.org/doc/qt-5/qml-qtquick-propertyanimation.html#easing.type-prop
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