perspective.js | Transforms the perspective of an image and draw | Computer Vision library
kandi X-RAY | perspective.js Summary
kandi X-RAY | perspective.js Summary
perspective.js is a JavaScript library which allow you to transform a rectangle image into an arbitrary form of quadrilateral on a canvas element. It is used to draw an image using perspective on a canvas. This is a derivative work of the original Futomi Hatano's perspective.js ~~available on www.html5.jp~~ still available on Internet Archive.
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QUESTION
I want to handle touch listener on smartphones.
my codes works fine with mousedown
,mousemove
,mouseup
,mouseout
on web browsers.
ANSWER
Answered 2018-Mar-14 at 01:41A TouchEvent might be composed of multiple Touch objects (a.k.a multitouch).
These different Touch objects are available through the .touches
TouchList property of the Event.
Only these objects will hold the coordinates you are interested in, and thus, in your handler, you need to pick one of these Touch object, this is generally the first one (single-touch application).
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