3eb32cbb0e
Summary: This PR was created in response to feedback from an older PR: https://github.com/facebook/react-native/pull/2045 The `.interpolate()` API of Animated values is quite effective to accomplish transformations based on a single animated value, but currently there is a class of animations that is impossible: animations being driven by more than one value. Usage would be like the following: ```js getInitialState: function() { return { panY: new Animated.Value(0), offset: new Animated.Value(0), }; } ``` ```js var scale = Animated.add(panY, offset).interpolate({ inputRange: [...], outputRange: [...], }); ``` I have a real use case for this, and I cannot think of any way to accomplish what I need without an API like this. The animation I am trying to accomplish is I have a PanResponder being used to detect both x and y panning. The y-axis panning drives a 3d sroll-like animation (which we can call `panY`), and the x-axis panning is driving a "swipe-to-remove" animation ( Closes https://github.com/facebook/react-native/pull/4395 Reviewed By: svcscm Differential Revision: D2731305 Pulled By: vjeux fb-gh-sync-id: 3b9422f10c7e7f3b3ecd270aeed8ea92315a89e9 |
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