Marking Menu interactions #231
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Jun 1, 2018
Summary:
This is useful for building marking menus. Like `distanceFrom`, it accepts an `origin$` argument, which allows us to ensure it can only be called on `Observable<Point2D>`. (Another solution would have been `point$.subtractedBy(origin$).toPoint()`, but without the argument, we can't constrain `T`).
I inlined the Pythagorean theorem rather than returning `combineLatest({ distance: this.distanceFrom(origin$), angle: … })` to avoid emitting separately for each of `distance` and `angle`.
Part of #231
Reviewers: O2 Material Motion, O3 Material JavaScript platform reviewers, #material_motion
Tags: #material_motion
Differential Revision: http://codereview.cc/D3444
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The Marking Menu demo will be a great showcase of an advanced interaction powered by Material Motion. It will need these operators:
toPolar(): Observable<{ angle, distance }>toCartesian(): Observable<Point2D>inIncrementsOf({ size: number }): Observable<number>and will likely be composed of many smaller interactions, such as:
MarkingMenuItemMarkingMenuNextScreenPreviewThe text was updated successfully, but these errors were encountered: